Ai21: Jamba Large 1.7
Jamba Large 1.7 is the latest model in the Jamba open family, offering improvements in grounding, instruction-following, and overall efficiency. Built on a hybrid SSM-Transformer architecture with a 256K context... Hybrid SSM-Transformer architecture for efficient long-context processing 256K context window with strong grounding and instruction following Frontier-lite pricing ($2.00/$8.00) with flagship-competitive quality Improved efficiency over previous Jamba versions Strong at multi-document reasoning and retrieval tasks Higher pricing than comparable open-weight alternatives Less widely adopted than Transformer-only architectures Smaller community and fewer fine-tuned variants available Long-document analysis and summarization Enterprise RAG and knowledge retrieval Grounded instruction-following tasks Cost-effective alternative to flagship models
Specifications
| Lab | Ai21 |
|---|---|
| Context window | 256,000 |
| Input price | $2.00/1M |
| Output price | $8.00/1M |
| Release | 2025-08-01 00:00:00 |
Strengths
- Hybrid SSM-Transformer architecture for efficient long-context processing
- 256K context window with strong grounding and instruction following
- Frontier-lite pricing ($2.00/$8.00) with flagship-competitive quality
- Improved efficiency over previous Jamba versions
- Strong at multi-document reasoning and retrieval tasks
Weaknesses
- Higher pricing than comparable open-weight alternatives
- Less widely adopted than Transformer-only architectures
- Smaller community and fewer fine-tuned variants available
Best for
- Long-document analysis and summarization
- Enterprise RAG and knowledge retrieval
- Grounded instruction-following tasks
- Cost-effective alternative to flagship models
In Depth: Jamba Large 1.7
Summary
Jamba Large 1.7 is an AI model from Ai21.
Released 2025-08-01 00:00:00. It currently appears in the Overall category on LMRank. It supports Text input and produces Text output, with a context window of 256K tokens. Input pricing is $2.00 per 1M tokens and output is $8.00 per 1M tokens on OpenRouter.