Building upon Mistral Small 3 (2501), Mistral Small 3.1 (2503) adds state-of-the-art vision understanding and enhances long context capabilities up to 128k tokens without compromising text performance. With 24 billion parameters, this model achieves top-tier capabilities in both text and vision tasks.
Specification
most-agreed values
Context
131K
Max output
16K
Released
2025-04-15
Knowledge cutoff
2024-06
Retires
—
Open weights
yes
Input
text, image
Output
text
Price
US dollars per million tokens · most-agreed
Input
$0.106
Output
$0.318
Cache read
$0.05
Rate limits
Requests per minute
300
Available from 6 hosts
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| nano-gpt | $0.10 | $0.30 | $0.05 | — | 128K | 102K | — |
| watsonx | $0.106 | $0.318 | — | — | 131K | 16K | — |
| cloudflare | $0.351 | $0.555 | — | — | 128K | 128K | — |
| cloudflare-workers-ai · cf | $0.351 | $0.555 | — | — | 128K | 128K | — |
| kilo | $0.351 | $0.555 | — | — | 128K | 102K | — |
| openrouter | $0.351 | $0.555 | — | — | 128K 131K | 102K 131K | — |
Price history
append-only observations · a listing writes a row only when its price moves
| Date | Host | Field | $/M |
|---|---|---|---|
| 2026-09-02 | openrouter | Input | $0.351 |
| 2026-09-06 | openrouter | Input | $0.351 |
| 2026-09-02 | watsonx | Input | $0.106 |
| 2026-09-06 | watsonx | Input | $0.106 |
| 2026-09-02 | openrouter | Output | $0.555 |
| 2026-09-06 | openrouter | Output | $0.555 |
| 2026-09-02 | watsonx | Output | $0.318 |
| 2026-09-06 | watsonx | Output | $0.318 |
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