Long-context text generation, open-weight research, experimentation, and private or self-hosted deployment
Type
General Purpose
Context
256K
Reasoning
6/10
Speed
8/10
Status
Legacy open-weight model; downloadable and accessible through AI21 Labs' official Hugging Face repository
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Long-document analysis, grounded generation, enterprise RAG, document summarization, information extraction, private deployment, and multilingual text workflows.
Type
General Purpose
Context
256K
Reasoning
7/10
Speed
8/10
Fine-tuning
Status
Current and available; the API endpoint jambalarge-1.7 points to the dated snapshot jambalarge-1.7-2025-07.
Input
$2 per 1M input tokens
Output
$8 per 1M output tokens
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Long-context document analysis, RAG, structured generation, function calling, multilingual enterprise assistants, and private deployment
Type
General Purpose
Context
256K
Reasoning
5/10
Speed
8/10
Tool use
Fine-tuning
Streaming
Status
Legacy; superseded by newer Jamba releases, including AI21-Jamba-Mini-1.7. Public model weights remain available.
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Long-context document analysis, retrieval-augmented generation, enterprise assistants, structured text generation, multilingual workflows, and self-hosted deployments
Type
General Purpose
Context
262K
Reasoning
7/10
Speed
8/10
Tool use
Fine-tuning
Streaming
Status
Legacy and superseded by newer Jamba Large releases; downloadable open-weight checkpoint remains available
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Long-context retrieval-augmented generation, enterprise document analysis, grounded question answering, structured extraction, classification, and private deployment
Type
General Purpose
Context
256K
Reasoning
6/10
Speed
7/10
Tool use
Fine-tuning
Streaming
Status
Available; older Jamba 1.6 generation with Jamba 1.7 available as a newer successor
Input
$2 per 1 million input tokens
Output
$8 per 1 million output tokens
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Long-context RAG, grounded question answering, enterprise document processing, classification, structured text generation, function calling and privacy-sensitive private deployments.
Type
General Purpose
Context
256K
Reasoning
6/10
Speed
8/10
Tool use
Fine-tuning
Streaming
Status
Legacy/open-weight model; downloadable from AI21's official Hugging Face repository and available for self-managed deployment, but not featured among AI21's current primary Jamba models as of September 25, 2026.
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Long-document analysis, enterprise RAG, grounded question answering, structured text generation, private deployment, and cost-sensitive text workflows
Type
General Purpose
Context
256K
Reasoning
5/10
Speed
7/10
Tool use
Fine-tuning
Streaming
Status
Available as an AI21 open-weight model; hosted API availability is not currently verified
Input
$0.20 per 1 million input tokens when offered through AI21-hosted inference
Output
$0.40 per 1 million output tokens when offered through AI21-hosted inference
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Long-context RAG, grounded enterprise question answering, document extraction, local inference, on-device assistants, and lightweight agent workflows
Type
Lightweight
Context
262K
Reasoning
5/10
Speed
8/10
Tool use
Streaming
Status
Current and available; open-weight release
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Long-context enterprise question answering, grounded generation, document analysis, instruction-heavy workflows, RAG systems and self-hosted deployments
Type
General Purpose
Context
256K
Reasoning
6/10
Speed
8/10
Streaming
Status
Current open-weight model; available through Hugging Face and AI21 Studio
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Local reasoning, long-context document analysis, private RAG, extraction, coding assistance, and lightweight agent controllers
Type
Reasoning
Context
256K
Reasoning
7/10
Speed
8/10
Tool use
Streaming
Status
Current open-weight model; available for download and local inference
Input
No official AI21 hosted API price; self-hosted/open-weight model
Output
No official AI21 hosted API price; self-hosted/open-weight model
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