AI21 Labs · Released Jan 1, 2026Jamba Mini
AI21's efficient, lightweight hybrid SSM-Transformer model for a wide range of tasks.
- Capability
- —No ECI score yet
- Input
- $0.20per 1M tokens
- Output
- $0.40per 1M tokens
- Context
- 256K4K max output
What it costs
- Input
- $0.20per million tokens
- Output
- $0.40per million tokens
- Blended (3:1)
- $0.25cheaper than 75% of priced models
Typical monthly bills
| Monthly usage | Estimated cost |
|---|---|
| Side project2M input + 0.5M output tokens | $0.60 |
| Team assistant25M input + 5M output tokens | $7.00 |
| Production app250M input + 50M output tokens | $70.00 |
Official AI21 Labs API price, as listed on models.dev.
Independent benchmarks
Epoch AI has not published a Capabilities Index score for Jamba Mini yet.
The details
- Lab
- AI21 Labs
- Released
- Jan 1, 2026
- Knowledge cutoff
- Aug 22, 2024
- Context window
- 256,000 tokens
- Max output
- 4,096 tokens
- Inputs
- Text
- Output
- Text
- Reasoning
- No
- Tool calling
- Yes
- Structured output
- Yes
- Weights
- Open weights
- API model ID
jamba-minion AI21 Labs- Availability
- 1 API providerlisted on models.dev
More from AI21 Labs
About Jamba Mini
How much does Jamba Mini cost?
Jamba Mini costs $0.20 input / $0.40 output per million tokens (official AI21 Labs API price). At a 3:1 input-to-output mix that is $0.25 per million tokens, cheaper than 75% of the 360 priced models we track.
What is the context window of Jamba Mini?
Jamba Mini accepts up to 256,000 tokens per request and can write up to 4,096 tokens in one response.
How good is Jamba Mini?
Epoch AI has not published a Capabilities Index score for Jamba Mini yet.
Is Jamba Mini open source?
Yes. AI21 Labs publishes the weights, so it can be downloaded and self-hosted.
What inputs does Jamba Mini support?
Jamba Mini accepts text and replies in text. It is not a dedicated reasoning model, supports tool calling and can return structured JSON output.
When was Jamba Mini released?
AI21 Labs released Jamba Mini on Jan 1, 2026. Its training data runs to Aug 22, 2024.
What are the best alternatives to Jamba Mini?
The closest current models from other labs on capability, price and release date are Solar Pro 3 (Upstage, $0.25 / $0.25), GLM-4.6V-Flash (Z.ai (Zhipu), $0.161 / $0.559), Ministral 3 14B (Mistral AI, $0.268 / $0.325) and Grok 4.1 Fast (xAI, $0.20 / $0.50).