AI TOOLS BY CATEGORY

AI Speech-to-Text Tools

AI speech-to-text tools turn live speech or recorded audio into text. Depending on the product, they may provide dictation, captions, transcripts, speaker labels, timestamps, summaries, subtitles, or developer APIs. This category includes consumer apps, meeting tools, media workflows, transcription services, and enterprise speech-recognition platforms. The right choice depends on the audio conditions, languages, workflow, required speed, and sensitivity of the information being processed.

66 tools in this category

Compare AI Speech-to-Text Tools

Explore AI tools with Speech to Text capabilities.

Abridge

Abridge is an enterprise healthcare AI platform that captures patient-clinician conversations and turns them into transcripts, structured clinical notes and other reviewable workflow outputs. It is designed for integration with electronic health records and supports clinicians, nurses, revenue-cycle teams and health-system administrators.

AI Assistant Document Analysis Workflow Automation AI Writing Document Creation
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Ada

Ada is an enterprise AI customer-service platform that lets companies deploy, manage, and improve AI agents across chat, voice, email, messaging, SMS, social, in-app, and custom channels. It combines knowledge sources, APIs, integrations, structured workflows, analytics, safeguards, and human handoff to automate customer-support interactions.

AI Assistant Chatbots Agent Builder Workflow Automation Text to Speech
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Avoma

Avoma is a business-focused AI meeting assistant and revenue intelligence platform. It records and transcribes meetings, creates structured AI notes and action items, supports searchable conversation analysis, sends information to CRM systems, and provides optional scheduling, conversation intelligence, revenue intelligence, and lead-routing workflows.

AI Assistant AI Search Data Analysis Workflow Automation Document Creation
Paid from $19/recorder seat/month billed annually →

Bland AI

Bland AI enables businesses and developers to build, deploy, and manage AI-powered phone agents for inbound and outbound calls. Agents can conduct multi-turn conversations, use configured knowledge bases and pathways, perform automations, transfer calls, send messages, and return transcripts or structured call outcomes.

Chatbots Agent Builder Workflow Automation Transcription Text to Speech
Paid from $0.14/minute →

CapCut

CapCut is a cross-platform video editing and content creation application operated by ByteDance. It combines a timeline editor with templates, effects, transitions, stock media, captions, transcription, text-to-speech, background removal, image tools, AI video generation, avatar features, cloud projects, and collaboration tools.

Transcription Advertising Marketing Copy Image Generation Image Editing
Free plan →

Captions

Captions is an AI-powered video creative studio that lets users edit existing footage, generate new videos, add and translate captions, dub speech, create AI actors and digital twins, generate supporting media, and direct edits with text prompts.

Transcription Advertising Image Generation Video Generation Video Editing
Free plan Paid from $24.99/month →

Cartesia

Cartesia provides real-time speech AI services for developers and businesses. The platform includes Sonic text-to-speech, Ink speech-to-text, voice cloning, multilingual voice generation, voice conversion, AI dubbing, downloadable voice outputs, and tools for creating managed voice agents.

Agent Builder Transcription Text to Speech Speech to Text Voice Generation
Free plan Paid from $5/month →

Character.AI

Character.AI is a conversational AI and interactive entertainment platform where users can chat with public or custom AI Characters, create roleplay scenarios, develop Characters and Scenes, and share creative content with a community.

AI Assistant Chatbots Agent Builder Image Generation Video Generation
Free plan Paid from $9.99/month →

Chatbase

Chatbase is a cloud-based platform for building, deploying, and improving AI agents for customer support, sales, and user engagement. Users can connect business knowledge and external systems, define instructions and procedures, deploy agents across supported channels, and analyze conversations to improve results.

Chatbots Document Analysis Agent Builder Workflow Automation Speech to Text
Free plan Paid from $40/month →

ChatGPT

ChatGPT is OpenAI's general-purpose conversational AI assistant. It can answer questions, generate and edit text, search the web, conduct multi-step research, analyze files and structured data, generate and edit images, support coding, interact by voice, organize work in projects, and connect to supported external apps.

AI Assistant Chatbots AI Search Research Deep Research
Free plan Paid from $20/month →

ClickUp Brain

ClickUp Brain is ClickUp's AI assistant and AI productivity layer. It works inside ClickUp tasks, Docs, Chat, dashboards, and other workspace areas, using authorized workspace and connected-app context to answer questions, generate content, summarize work, analyze data, create structured artifacts, conduct research, and execute workflows. The product also includes access to configurable Super Agents, AI Skills, multi-model conversations, web research, and Brain MAX applications.

AI Assistant AI Search Research Deep Research Document Analysis
Paid from $9/user/month →

D-ID

D-ID is a platform for creating avatar-led videos, translating video content, generating synthetic speech, and deploying interactive visual agents. It provides a browser-based studio, REST and streaming APIs, integrations, and embeddable experiences for business, education, marketing, training, customer experience, and developer workflows.

AI Assistant Chatbots Agent Builder Image Generation Video Generation
Paid from $14.40/month →

Decagon

Decagon is an enterprise conversational AI platform that deploys customer-support agents across chat, email, voice, SMS, WhatsApp and custom surfaces. Agents can use connected knowledge sources and business systems to answer questions, retrieve customer context, execute approved workflows and escalate cases to human support teams.

AI Assistant Chatbots Agent Builder Workflow Automation Text to Speech
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DeepL

DeepL is a language AI platform that translates text, documents, images, and speech, and improves writing through grammar, phrasing, tone, style, and word-choice suggestions. It is available through web, desktop, mobile, browser, workplace, enterprise, and API channels. DeepL Translator, DeepL Write, and DeepL Voice are offered as related product capabilities within the DeepL ecosystem. ([support.deepl.com](https://support.deepl.com/?utm_source=openai))

Workflow Automation AI Writing Speech to Text Translation
Free plan Paid from $8.74/month billed annually →

Descript

Descript is a video and audio production application that transcribes recordings and lets users edit the underlying media by editing text. It also supports recording, screen capture, collaboration, publishing, AI-assisted editing, text-to-speech, voice cloning, avatars, translation, dubbing, and generated media.

AI Assistant AI Writing Meeting Notes Transcription Video Generation
Free plan Paid from $16/person/month billed annually →

Dify

Dify is an open-source platform for developing, deploying, and operating AI applications. It provides visual tools for creating chatbots, agents, chatflows, workflows, and RAG applications, along with model-provider configuration, knowledge bases, plugins, APIs, web app publishing, monitoring, and cloud or self-hosted deployment.

Chatbots Document Analysis Agent Builder Workflow Automation Text to Speech
Free plan Paid from $59/workspace/month →

ElevenLabs

ElevenLabs is a standalone AI creative and developer platform for generating expressive speech, cloning and designing voices, transcribing audio, dubbing audio and video, creating music and sound effects, and building conversational voice agents. The platform also includes image and video generation tools through its broader creative workspace.

AI Assistant Chatbots Agent Builder Workflow Automation Transcription
Free plan Paid from $6/month →

Fathom

Fathom captures supported online meetings and turns them into transcripts, summaries, highlights, action items, searchable meeting knowledge, and workflow-ready insights. It supports Zoom, Google Meet, and Microsoft Teams through desktop capture, meeting bots, platform apps, and a Chrome extension, with integrations for CRM, automation, collaboration, and external AI tools.

AI Assistant Workflow Automation Meeting Notes Transcription Speech to Text
Free plan Paid from $16/user/month billed annually →

Fellow

Fellow is a meeting management and AI note-taking platform for preparing agendas, capturing meeting discussions, generating transcripts and summaries, identifying decisions and action items, and organizing searchable meeting history. It supports bot-based and botless recording, collaborative notes, meeting templates, and integrations with calendars, conferencing tools, CRMs, project management systems, documentation platforms, and automation services.

AI Assistant Workflow Automation Meeting Notes Transcription Task Management
Free plan Paid from $7/user/month billed annually →

Fireflies.ai

Fireflies.ai captures meetings and other conversations, converts audio and video into searchable transcripts, generates summaries and action items, answers questions about meeting history, and sends conversation insights to connected business tools.

AI Assistant Workflow Automation Meeting Notes Transcription Task Management
Free plan Paid from $10/user/month billed annually →

Gong

Gong is a cloud-based revenue AI platform that captures and analyzes customer interactions across calls, meetings, emails, CRM records, and other revenue systems. It provides conversation intelligence, AI summaries, deal-risk analysis, sales engagement, coaching, pipeline management, forecasting, dashboards, and configurable AI workflows for go-to-market teams.

AI Assistant Data Analysis Agent Builder Workflow Automation AI Writing
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Granola

Granola is an AI notepad for meetings. It captures audio from a user's computer or phone, transcribes conversations, combines the transcript with rough notes and calendar context, and produces enhanced notes, summaries, action items, and searchable meeting intelligence. Users can chat with individual meetings or collections of meetings, create reusable Recipes, share notes, and connect meeting information to external AI tools and business applications.

AI Assistant Research Meeting Notes Transcription Speech to Text
Free plan Paid from $14/user/month →

Grok

Grok is a general-purpose AI assistant from SpaceXAI available through grok.com and iOS and Android apps. It supports conversational assistance, live web and X search, reasoning, writing, coding, file and document analysis, voice conversations, image and video generation, external connectors, and selected agentic workflows.

AI Assistant AI Search Research Deep Research Document Analysis
Free plan Paid from $30/month →

Harvey

Harvey is an enterprise AI platform for legal, tax, and finance professionals. It provides an AI assistant for research, drafting, editing, and document analysis; secure Vault workspaces for large-scale review; review tables for structured extraction; knowledge sources; integrations with legal and business systems; and configurable workflow agents for repeatable professional-services tasks.

AI Assistant AI Search Research Deep Research Document Analysis
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HubSpot Breeze

HubSpot Breeze is HubSpot's embedded AI platform for marketing, sales, customer service, content, and CRM operations. It combines Breeze Assistant, Breeze Agents, Breeze Intelligence, custom assistants, knowledge sources, content-generation tools, data enrichment, customer-service automation, and other AI features across the HubSpot customer platform.

AI Assistant Chatbots AI Search Research Data Analysis
Free plan Paid from $0 →

Krisp

Krisp is a real-time voice-processing and AI meeting assistant application. Its main functions are background noise, competing-voice, and echo cancellation, along with meeting recording, transcription, AI-generated notes, action items, and real-time accent conversion. It also provides web-based account and workspace features, integrations, APIs, and MCP access for supported plans.

AI Assistant Data Analysis Workflow Automation Document Creation Meeting Notes
Paid from $8/user/month billed annually →

Lindy

Lindy is a standalone AI assistant and agent platform that helps individuals and teams perform work across connected business applications. It can manage email and meetings, answer questions from approved sources, build custom agents, run scheduled workflows, create reports and documents, and take actions through integrations or a cloud computer. Lindy is designed for business workflows rather than only conversational question answering.

AI Assistant Chatbots AI Search Research Deep Research
Paid from $29.99/user/month →

Manus

Manus is a general-purpose AI agent that turns natural-language instructions into multi-step work. It can research the web, analyze files and data, use browsers and connected services, execute code, create websites and applications, generate presentations and documents, and automate workflows. It operates primarily through a web application, with desktop and mobile apps and browser-based automation options.

AI Assistant AI Search Research Deep Research Document Analysis
Free plan Paid from $20/month →

Mem

Mem is an AI-powered notes and knowledge workspace that captures information, organizes it into visible notes, searches across personal context, records and structures meetings, and uses Mem Agent to help users track tasks, projects, goals, and follow-ups.

AI Assistant AI Search Research Deep Research Workflow Automation
Free plan Paid from $9/month →

Microsoft Copilot

Microsoft Copilot is a general-purpose AI assistant that answers questions, searches and summarizes web information, analyzes uploaded files and images, drafts and rewrites content, supports research, and works inside Microsoft products. In business and enterprise environments, it can use permitted Microsoft Graph content such as emails, documents, chats, meetings, and calendar information, while custom agents and connectors extend it to additional knowledge sources and business systems.

AI Assistant AI Search Research Deep Research Document Analysis
Free plan Paid from $9.99/month →

MindStudio

MindStudio is a web-based platform for building, testing, deploying, and operating custom AI agents and AI-powered applications. Users can combine AI models, prompts, logic, data sources, APIs, custom code, external integrations, schedules, webhooks, email triggers, browser extensions, and MCP servers into reusable workflows.

AI Assistant Chatbots Research Deep Research Document Analysis
Free plan Paid from $20/month →

Mistral Vibe

Mistral Vibe is Mistral AI's current unified AI assistant and agent product, formerly branded Le Chat. It supports conversational assistance, web search, deep research, document and image analysis, image generation and editing, voice transcription, document creation, connected-tool workflows, scheduled tasks, and coding across web, mobile, terminal, and IDE environments.

AI Assistant AI Search Research Deep Research Document Analysis
Free plan Paid from $14.99/month →

Motion

Motion is a productivity and work management platform that combines calendar management, AI task planning, project and workflow management, documents, meeting notes, scheduling, and AI-assisted writing and chat. Its central workflow is to organize work around calendar availability, deadlines, priorities, and team assignments.

AI Assistant Agent Builder Workflow Automation AI Writing Document Creation
Paid from $19/seat/month →

Murf AI

Murf AI is a cloud-based voice platform for generating and editing AI voiceovers from text. Its Studio product supports voice customization and media projects, while separate tools provide voice changing, voice cloning, translation, dubbing, integrations, and API access.

Presentations Transcription Advertising Text to Speech Speech to Text
Free plan Paid from $19/month →

n8n

n8n is a visual workflow automation and AI orchestration platform that connects applications, APIs, databases, AI models and internal systems. Users can build workflows with a node-based canvas, run them in n8n Cloud or self-host them, and extend the platform with code and custom nodes.

AI Assistant Chatbots Document Analysis Data Analysis Agent Builder
Free plan →

Notion AI

Notion AI is an AI assistant embedded in the Notion workspace. It can answer questions using workspace, connected-app, and web context; draft and edit writing; analyze uploaded files; summarize and transcribe meetings; create and populate databases; generate downloadable documents; and run configurable agents for recurring workflows.

AI Assistant AI Search Research Deep Research Document Analysis
Paid from $20/member/month →

Notta

Notta records or imports meetings, interviews, lectures, and other conversations, then produces searchable transcripts, speaker labels, AI summaries, action items, translations, and cross-meeting insights. It supports online meeting recording, bot-free desktop capture, mobile recording, file transcription, collaboration, and integrations with calendars, productivity tools, CRM systems, storage services, and automation platforms.

Workflow Automation Document Creation Presentations Meeting Notes Transcription
Free plan Paid from $8.17/month billed annually →

OpusClip

OpusClip is an AI-powered video clipping and editing platform that converts long-form footage into short social videos. It identifies potential highlights, creates clips, generates captions, reframes footage for different aspect ratios, supports manual editing, and can publish or schedule videos to connected social accounts.

Workflow Automation Transcription Video Editing Text to Speech Speech to Text
Free plan Paid from $15/month →

Otter

Otter is an AI meeting assistant that records or imports conversations and turns them into searchable transcripts, speaker-labeled notes, summaries, action items, outlines, and meeting insights. It supports live meeting capture, audio and video uploads, AI chat over meetings, collaboration, and integrations with video-conferencing, calendar, CRM, storage, and productivity tools.

AI Assistant Meeting Notes Transcription Speech to Text Sales
Free plan Paid from $8.33/user/month billed annually →

PlayAI

PlayAI is a voice and audio generation platform currently delivered through PlayHT. It lets users create speech from text, generate multi-speaker dialogue, clone authorized voices, dub audio, change voices, isolate speech, transcribe recordings, and produce other audio outputs. The platform is available through a browser-based studio and developer API.

Transcription Text to Speech Speech to Text Voice Generation Voice Cloning
Free plan Paid from $9.99/month →

Poe

Poe is a Quora-operated platform that lets users access and compare bots powered by multiple third-party AI model providers. It supports conversational AI, user-created bots, group chats, and bots for text, image, video, audio, translation, programming, and other tasks.

AI Assistant Chatbots Document Analysis Agent Builder AI Writing
Free plan Paid from $4.99/month →

PolyAI

PolyAI is an enterprise conversational AI platform for building, deploying, integrating, and monitoring voice-first customer-service agents. The platform supports natural dialogue, multi-step workflows, business-system actions, multilingual interactions, analytics, and human handoffs across contact-center environments.

AI Assistant Agent Builder Workflow Automation Transcription Text to Speech
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QuillBot

QuillBot is a standalone, multi-tool AI writing suite that helps users paraphrase, rewrite, proofread, summarize, translate, cite, and evaluate text. The product also includes AI Chat, AI search, image generation, presentation generation, text-to-speech, and other content tools, although writing refinement remains its central use case.

AI Assistant AI Search Research Document Analysis AI Writing
Free plan Paid from $17.95/month →

Rask AI

Rask AI is a browser-based platform for translating, transcribing, dubbing and adapting video and audio content. It provides editable transcripts, multilingual translation, AI voice presets, voice cloning, lip sync, subtitles, glossaries, translation prompting, team workflows and an API for paid customers.

Workflow Automation Transcription Video Editing Text to Speech Speech to Text
Paid from $39/month →

Read AI

Read AI is a workplace productivity platform that joins or records meetings, creates transcripts and reports, extracts action items and key questions, measures meeting performance, and provides search across meetings and connected workplace content.

AI Assistant AI Search Meeting Notes Transcription Speech to Text
Free plan Paid from $15/user/month when billed annually →

Relay.app

Relay.app was a no-code platform for building multi-step business workflows and AI agents across connected applications. Users could combine app triggers and actions with AI prompts, web search, conditional paths, scheduled runs, webhooks, human approvals, data transformations, and reusable templates. Relay.app shut down in September 2026, and its accounts, workflows, and run history were permanently deleted.

AI Assistant AI Search Research Agent Builder Workflow Automation
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Relevance AI

Relevance AI is a low-code platform for creating, deploying, and managing AI agents, tools, knowledge bases, and multi-agent workforces. Agents can use connected applications, private business knowledge, APIs, triggers, schedules, and multi-step workflows to automate sales, customer support, research, operations, and other business processes.

AI Assistant Chatbots Research Document Analysis Data Analysis
Free plan Paid from $19/month billed annually →

Resemble AI

Resemble AI is a web and API platform for generating and transforming speech, creating custom voice clones, transcribing audio and video, and detecting synthetic or manipulated media. Its current documentation covers text-to-speech, speech-to-speech, speech-to-text, voice design, custom pronunciations, watermarking, deepfake detection, agent detection, and related media-intelligence workflows.

Transcription Text to Speech Speech to Text Voice Generation Voice Cloning
Free plan →

Retell AI

Retell AI is a cloud platform for building, testing and deploying conversational AI agents across phone calls, web chat and SMS. It provides agent configuration, knowledge bases, function calling, telephony connections, integrations, testing, analytics and deployment tools for business communication workflows.

AI Assistant Agent Builder Workflow Automation Transcription Text to Speech
Paid from $0.07/minute for AI voice agents →

Riverside

Riverside is a cloud-based platform for recording remote and in-person audio and video, editing recordings, generating transcripts and captions, producing short clips and other repurposed assets with AI, hosting podcasts, livestreaming, running webinars, and publishing content to multiple destinations.

AI Assistant Workflow Automation Document Creation Presentations Transcription
Free plan Paid from $24/month →

Sana Agents

Sana Agents is an enterprise AI workspace that connects company knowledge, files, meetings, email, business applications, and external tools to conversational AI agents. Users can search and synthesize information, conduct multi-step research, create documents and presentations, analyze data, summarize meetings, and automate actions in connected systems.

AI Assistant AI Search Research Deep Research Document Analysis
Free plan →

Sembly

Sembly is a SaaS platform that captures online and offline meetings, produces transcripts and structured meeting notes, extracts tasks and key items, enables AI search and chat across meeting content, connects with work tools, and creates branded presentations, reports, proposals, and other professional deliverables.

AI Assistant AI Search Document Analysis Workflow Automation Document Creation
Paid from $17/month →

Sierra

Sierra is an enterprise conversational AI platform that enables organizations to build, deploy, and optimize customer-service agents. Agents can operate across voice, chat, email, SMS, messaging, and ChatGPT; use company knowledge and policies; connect to systems of record; perform actions such as changing reservations or processing exchanges; and hand off unresolved conversations to human teams with context.

AI Assistant Chatbots Data Analysis Agent Builder Workflow Automation
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Slack AI

Slack AI is a collection of AI-powered features embedded in Slack. It helps users search and synthesize workspace knowledge, summarize channels and threads, generate daily recaps, capture huddle notes, summarize files, translate messages, create workflows, and interact with Slackbot using authorized workspace context.

AI Assistant AI Search Research Document Analysis Data Analysis
Paid from $7.25/user/month billed annually →

Smartcat

Smartcat is a cloud-based platform for translating, reviewing, managing, and localizing multilingual content. It combines AI translation, translation memory, terminology management, CAT editing, workflow automation, integrations, human linguist services, and enterprise administration across documents, websites, software, video, audio, images, and courses.

AI Assistant Agent Builder Workflow Automation AI Writing Transcription
Free plan Paid from $1,200/year →

Sonix

Sonix is a web-based AI transcription platform that converts audio and video into searchable, editable transcripts. It also supports transcript translation, subtitle generation, speaker labeling, AI analysis, collaboration, integrations, an embeddable media player, and API-based workflows.

Research Document Analysis Workflow Automation Meeting Notes Transcription
Paid from $10/hour →

Speechify

Speechify converts written content such as PDFs, books, webpages, documents and emails into spoken audio. Its current product also includes OCR scanning, synchronized text highlighting, adjustable playback, voice typing, AI summaries, quizzes, conversational question answering, meeting notes and AI podcast creation.

AI Assistant AI Search Research Document Analysis AI Writing
Free plan Paid from $29/month →

StudyFetch

StudyFetch is an AI-powered learning platform that lets students upload course materials and turn them into structured notes, flashcards, quizzes, practice tests, study plans, audio recaps, explainer videos and interactive tutoring sessions. Its Sparky assistant is designed to explain concepts and guide learning using the user's study materials.

AI Assistant Document Analysis Document Creation Transcription Video Generation
Free plan Paid from $19.99/month →

Synthflow AI

Synthflow AI is a no-code platform for designing, testing, deploying, and monitoring AI voice and chat agents. It supports inbound and outbound phone calls, web voice widgets, API-based conversations, chat agents, WhatsApp, SMS, knowledge bases, structured workflows, telephony, CRM and automation integrations, analytics, and webhooks.

AI Assistant Chatbots Agent Builder Workflow Automation Transcription
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Taskade

Taskade is a cloud-based collaborative workspace that combines project and task management with AI assistants, custom AI agents, knowledge bases, app generation, integrations and multi-step workflow automation. Users can organize work in shared workspaces, build agents trained on workspace content, create apps from prompts and connect external services through automations.

AI Assistant Chatbots AI Search Research Deep Research
Free plan Paid from $10/month →

tl;dv

tl;dv is an AI meeting notetaker and meeting intelligence platform for recording, transcribing, summarizing, searching, and analyzing meetings. It supports Google Meet, Zoom, Microsoft Teams, in-person recordings through mobile, and bot-free recording through its desktop application. The platform also connects meeting data to CRM, collaboration, productivity, API, webhook, and MCP workflows.

AI Assistant Research Agent Builder Workflow Automation Meeting Notes
Free plan Paid from $18/month →

VEED

VEED is a browser-based video creation and editing platform that combines conventional editing tools with AI video generation, AI avatars, text-to-speech, voice cloning, subtitles, transcription, translation, dubbing, background removal, audio cleanup, AI B-roll, and short-form video repurposing. It is available on the web and through dedicated iOS and Android apps.

Transcription Advertising Image Generation Image Editing Video Generation
Free plan Paid from $9/month billed annually or $19/month billed monthly →

Voiceflow

Voiceflow is a cloud-based platform for designing, building, testing, deploying, and improving AI agents for customer experiences. Users can combine agentic playbooks with deterministic workflows, ground responses in connected knowledge sources, call external tools and APIs, publish to chat and voice channels, and review conversations through transcripts, evaluations, and analytics.

AI Assistant Chatbots Agent Builder Workflow Automation Text to Speech
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WRITER

WRITER is an enterprise AI platform for creating, deploying, and governing AI agents and automated workflows. It combines WRITER Agent, Knowledge Graph grounding, playbooks, routines, connectors, model management, guardrails, and enterprise administration. Users can generate and edit content, research information, analyze connected data, create documents and presentations, and take approved actions in external systems.

AI Assistant Chatbots AI Search Research Deep Research
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Zendesk AI

Zendesk AI is the AI layer within Zendesk's customer-service platform. It supports customer-facing AI agents, agent assistance, intelligent triage, knowledge-grounded answers, workflow automation, reporting, and custom agent development for service teams.

AI Assistant Chatbots Data Analysis Agent Builder Workflow Automation
Paid from $55/agent/month paid yearly →

Zoom AI Companion

Zoom AI Companion is Zoom's AI assistant for turning meetings, chats, calls, documents, and connected work information into summaries, drafts, insights, tasks, presentations, documents, and automated follow-up actions. It is primarily delivered through Zoom Workplace, with web, desktop, and mobile access varying by feature.

AI Assistant AI Search Research Deep Research Document Analysis
Free plan Paid from $14.16/user/month billed annually for an eligible Zoom Workplace paid plan that includes core AI features →

What are AI speech-to-text tools?

AI speech-to-text tools use automatic speech recognition to convert spoken audio into written text. They can process a live microphone stream, a meeting or phone call, or an uploaded recording. Outputs may include plain text, formatted transcripts, captions, subtitles, timestamps, confidence values, and anonymous speaker labels.

Some products focus on fast dictation or live captions, while others provide complete transcription workflows with editing, search, summaries, integrations, and collaboration features. Developer-oriented services typically expose speech recognition through an API for applications such as voice assistants, customer-service systems, accessibility features, and searchable audio archives.

Common uses for speech-to-text tools

  • Dictation: Convert spoken notes, messages, documents, or commands into editable text.
  • Live captions: Display speech as text during meetings, classes, broadcasts, events, or calls.
  • Recorded transcription: Transcribe interviews, lectures, podcasts, videos, hearings, and customer conversations.
  • Meeting and call workflows: Create transcripts, separate speakers, find key moments, and send text to summaries or analytics systems.
  • Media production: Generate captions, subtitles, rough transcripts, and time-aligned text for editing.
  • Accessibility: Make spoken content easier to follow for people who are deaf or hard of hearing, or for users who prefer reading.
  • Application integration: Add voice input, call analysis, search, automation, or conversational interfaces to software.

Live transcription is useful when users need immediate partial and final results. Batch or asynchronous processing is generally more suitable for large collections of prerecorded audio.

Features to compare

Recognition accuracy

Test accuracy using representative recordings rather than relying only on benchmark claims. Microphone quality, background noise, accents, domain terminology, rapid speech, interruptions, and overlapping speakers can substantially affect results. For important work, compare transcripts with a human-created reference and review likely errors.

Languages and language handling

Check the exact languages, locales, dialects, and language-identification features supported by a tool. Mixed-language speech and code-switching may work differently from single-language audio, and advanced features are not always available for every language.

Speaker separation and structure

Speaker diarization can divide a conversation into labels such as Speaker 1 and Speaker 2. It does not necessarily identify those people by name. Also compare punctuation, paragraphing, word- or segment-level timestamps, channel handling, disfluency controls, confidence values, subtitle formats, and export options.

Real-time, batch, and integration support

Consider whether the tool supports streaming, synchronous file transcription, asynchronous batch processing, or all three. API quality, SDKs, webhooks, authentication, quotas, concurrency, mobile and desktop support, and integrations with meeting, media, customer-service, or automation systems can matter as much as raw recognition quality.

Customization and controls

Technical and professional users may need custom vocabularies, phrase lists, terminology hints, pronunciation controls, domain-specific models, profanity filtering, redaction, or personally identifiable information handling. These features can improve results for names, acronyms, products, and specialist language.

Pricing and limits

Speech recognition is commonly priced by the amount of audio processed, often per minute or second. Costs may vary by model, language, live or batch mode, audio channels, and volume tier. Check minimum billing increments, free allowances, recording limits, concurrency, storage, retries, and whether each channel in multi-channel audio is billed separately.

Limitations and quality considerations

Speech-to-text output is not guaranteed to be verbatim. Poor microphones, echo, clipping, background noise, low-quality codecs, strong accents, uncommon names, fast speech, music, silence, and multiple people talking at once can lead to missing words or plausible but incorrect substitutions. Punctuation and speaker labels can also be unreliable.

Confidence scores are useful signals but are not a replacement for testing and human review. Review transcripts used for legal, medical, financial, employment, safety, or public-facing purposes. If a recording contains important terminology, test the tool with real examples before adopting it at scale.

Privacy, security, and permissions

Audio and transcripts may contain personal, confidential, proprietary, or regulated information. Before uploading recordings, review where processing occurs, retention periods, deletion options, access controls, encryption, regional processing, audit features, and whether content may be used to improve or train services.

Obtain appropriate permission before recording or transcribing conversations, especially where local consent, employment, health, education, or industry rules apply. Speech-to-text should also be distinguished from speaker recognition: transcription converts speech into text, while speaker recognition attempts to identify or verify a person from their voice.

How speech-to-text differs from related categories

  • AI transcription tools: Often build a complete workflow around speech recognition, adding uploads, editing, search, summaries, collaboration, and meeting features.
  • AI text-to-speech tools: Convert written text into synthetic spoken audio, which is the reverse direction from speech-to-text.
  • Voice generation and voice cloning tools: Create or imitate voices rather than primarily transcribing speech.
  • Speaker recognition tools: Attempt to determine who is speaking. Diarization usually separates speakers without confirming their identities.
  • Voice assistants and conversational agents: May use speech-to-text as one stage in a larger pipeline involving language understanding, actions, response generation, and text-to-speech.
  • Audio intelligence tools: Add analysis such as sentiment, topics, summaries, translation, or call scoring to audio or transcripts.

What to look for in the tools listed here

Use the listings to compare tools according to your actual workflow. For quick dictation or captions, prioritize latency, device support, and language coverage. For interviews, meetings, and calls, focus on accuracy, diarization, timestamps, search, editing, and export options. For media and high-volume applications, examine batch processing, APIs, channel pricing, quotas, automation, and retention policies. A short test with representative audio is often more informative than a general accuracy claim.

If you are comparing broader meeting workflows, see the related AI transcription tools and AI meeting notes tools categories. For the reverse conversion from text to audio, browse AI text-to-speech tools.


Answers to Frequently Asked Questions

What privacy and security issues should I consider before uploading audio?
Check where audio is processed, how long recordings and transcripts are retained, whether deletion is available, what access controls and encryption are used, whether regional processing and audit features are supported, and whether content may be used to improve or train the service. Obtain appropriate permission before recording or transcribing conversations.
How accurate are AI speech-to-text transcripts?
Accuracy depends on microphone quality, background noise, accents, terminology, speaking speed, interruptions, and overlapping speakers. Test tools with representative recordings and review transcripts intended for legal, medical, financial, employment, safety, or public-facing uses.
What are AI speech-to-text tools used for?
AI speech-to-text tools convert spoken audio into written text for dictation, live captions, recorded transcription, meeting and call workflows, media production, accessibility, voice input, and application integrations.
What features should I compare when choosing a speech-to-text tool?
Compare recognition accuracy, supported languages and locales, real-time and batch processing, speaker diarization, timestamps, punctuation, subtitle formats, APIs and integrations, customization options, privacy controls, pricing, quotas, and storage or retention policies.