One agent session
1M input tokens and 100K output tokens, no caching.
- Input1M x $2 = $2.00
- Output0.1M x $8 = $0.80
$2.80per session
AI21 Labs - Open weights
Jamba Large 1.7 pricing and specs
Jamba Large 1.7 is an open-weights model from AI21 Labs that costs $2 per 1M input tokens and $8 per 1M output tokens on the first-party API, with a 256K-token context window.
Last verified from ai21.com. All sources
- Input / 1M
- $2
- Output / 1M
- $8
- Context
- 256K tokens
- Weights
- Open
Pricing per 1M tokens
| Item | Price / 1M tokens |
|---|---|
| Input | $2 |
| Output | $8 |
Note: The pricing page lists this model as "Jamba Large" with no version; the models page says the jamba-large alias currently points to jamba-large-1.7-2025-07 (version 1.7, 398B total / 94B active parameters), and jamba-large-1.7 points to the same snapshot. context window is stated as "256K" on the models page and recorded here as 256000. max output comes from the chat API reference: max_tokens allows at most 4096 for Jamba models. Text in, text out. AI21 publishes no cache or batch prices. release date is the Jamba 1.7 release date in the docs changelog. it has no Vercel AI Gateway id: ai-gateway.vercel.sh returned model_not_found for ai21/jamba-large-1.7, and no Jamba entry turned up on the gateway pages read.
Specs
- Context window
- 256,000 tokens
- Max output
- 4,096 tokens
- Release date
- Provider
- AI21 Labs
- API model id
jamba-large-1.7- Weights
- Open weights
- License
- Jamba Open Model License (Hugging Face license tag: other; gated repo, contact details required)
- Weights download
- huggingface.co
What Jamba Large 1.7 costs in practice
Worked from the standard list rates above, with the math shown so you can swap in your own token counts.
A chat app
10,000 requests a day at 2K input and 500 output tokens each.
- Input20M x $2 = $40.00
- Output5M x $8 = $40.00
$80.00per day
$2,400.00 per 30-day month
Compare with
| Model | Input / 1M | Output / 1M |
|---|---|---|
| Jamba Large 1.7 (this page) | $2 | $8 |
| GPT-4.1OpenAI | $2 | $8 |
| Kimi K2.7 Code HighSpeedMoonshot AI | $1.90 | $8 |
| o3OpenAI | $2 | $8 |
| Qwen3.5-Omni-PlusAlibaba Cloud (Qwen) | $1.40 | $8.30 |
| Jamba2 MiniAI21 Labs | $0.20 | $0.40 |
FAQ
How much does Jamba Large 1.7 cost per million tokens?
Jamba Large 1.7 costs $2 per 1M input tokens and $8 per 1M output tokens on AI21 Labs's first-party API, per ai21.com on October 17, 2026.
What is Jamba Large 1.7's context window?
Jamba Large 1.7 has a 256,000-token context window and returns up to 4,096 output tokens per response.
Are Jamba Large 1.7's weights open?
Yes. Jamba Large 1.7's weights are published at https://huggingface.co/ai21labs/AI21-Jamba-Large-1.7 under the Jamba Open Model License (Hugging Face license tag: other; gated repo, contact details required).
When was Jamba Large 1.7 released?
AI21 Labs released Jamba Large 1.7 on July 3, 2025.
Sources
Last verified from ai21.com.
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