Mistral Small 4
Mistral AI · Fast & cheap · Mar 16, 2026Open weights
Mistral's small open-weight model, combining chat, reasoning and coding in one inexpensive tier.
- Artificial Analysis Intelligence Index
- 11.3#29 of 29
- API price per 1M tokens
- $0.15 / $0.60input / output · $0.26 blended
- Context window
- 256Ktokens
- Output speed
- 160 t/s13s to first answer
Benchmark results
Each row shows this model (blue) against every other model in the catalogue (grey), worst on the left, best on the right.
Overall capability
- Artificial Analysis Intelligence Index11.3#29 of 29
Reasoning effort trade-offs
The same model at different thinking budgets. More effort buys a higher intelligence score at a higher cost per task and a longer wait. Measured by Artificial Analysis.
| Effort | Score | Cost / task | First answer | Speed |
|---|---|---|---|---|
| No reasoning | 9 | Not measured | 0.7s | 154 t/s |
| Default (headline score) | 11.3 | $0.015 | 13s | 160 t/s |
Specs & pricing
- Developer
- Mistral AI
- Released
- Mar 16, 2026
- Availability
- Generally available
- API model ID
mistral-small-2603- Weights
- Open · Apache 2.0
- Parameters
- 119B (MoE)
- Reasoning
- Adjustable effort
- Accepts
- Text
- Produces
- Text
- Context window
- 256,000 tokens
- Input price
- $0.15 / 1M tokens
- Output price
- $0.60 / 1M tokens
Closest alternatives
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