AI21: Jamba Large 1.7
AI21 Jamba Large 1.7 is designed for handling text inputs within a context length of 256,000 tokens and supports tool integration but lacks advanced reasoning capabilities or structured output options. It excels in processing extensive text data and can be useful when you need to work with large datasets or integrate external tools into your workflow. Given its blended benchmark score of 7.1 across independent evaluations and a price point of $2.0 per million input tokens and $8.0 per million output tokens, AI21 Jamba Large 1.7 is a viable option for those looking to manage sizable text inputs within budget constraints. Its performance stands as a solid choice, especially for projects that require extensive data handling but do not demand complex reasoning or structured outputs.
Benchmark results
Independent, published benchmarks. Blended score 7.0 across 1 benchmark, last refreshed 2026-07-27. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 8.7 |
- Model ID
- ai21/jamba-large-1.7
- Vendor
- ai21
- Released
- August 2025
- Tokenizer
- Other
- Input Modalities
- text
- Output Modalities
- text
- Max Output
- 4,096 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- not supported
- Vision
- text only
- Audio
- no
- Moderated
- no
What it costs in practice
Computed from the current $2.00/M input and $8.00/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.07 |
| Classify 1,000 customer emails | 500k in / 50k out | $1.40 |
| A month of a busy support chatbot | 5M in / 2M out | $26.00 |
Quick answers
- How much does AI21: Jamba Large 1.7 cost?
- $2.00 per million input tokens and $8.00 per million output tokens.
- What is AI21: Jamba Large 1.7's context window?
- 256,000 tokens, roughly 384 pages of text in a single request.
- Does AI21: Jamba Large 1.7 support tool calling?
- It supports tool calling, structured output.
- Can AI21: Jamba Large 1.7 process images?
- No, it is text-only on the input side.