ai21
AI21: Jamba Large 1.7
AI21 Jamba Large 1.7 is a powerful text-based AI with a vast context length of up to 256,000 tokens and supports the use of tools but lacks reasoning capabilities or structured output. This model shines in handling extensive text inputs seamlessly. While it offers competitive benchmarks across various independent evaluations, its price point at $2.0 per million input tokens and $8.0 per million output tokens makes it more suitable for users requiring tool integration who are willing to pay a premium for performance.
Quality Score
90/100
price + capability + benchmarks
Input Price
$2.00
per 1M tokens
Output Price
$8.00
per 1M tokens
Context Window
256,000
tokens
Benchmark results
Independent, published benchmarks. Blended score 6.7 across 1 benchmark, last refreshed 2026-08-13. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 8.2 |
- 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.