Mistral AIDevstral 2 2512
Devstral 2 2512 is a Mistral AI open-weights model, released 9 Dec 2025. It is not yet ranked: 3 independent results so far, and the index needs at least five across two categories. At $0.800 per million tokens blended it is mid-priced. Output speed of 18 tokens per second puts it in the slowest quarter, with a first token in 1.8 s. Last measured 1 Sept 2026.
- Blended price
- $0.800/M
- $0.400 in · $2.00 out
- Output speed
- 18 tok/s
- OpenRouter traffic, 7-day median; not yet measured by Artificial Analysis
- First answer
- 1.76 s
- Context
- 262k
- Coding41
Versions
Mistral AI has shipped 2 models under this name. Each is ranked on its own results; a newer version often has fewer results so far, which holds its index nearer the average until more arrive.
| Model | Released | Index | Rank |
|---|---|---|---|
| Devstral 2 | 9 Dec 2025 | 43.3 | #450 |
| Devstral 2 2512this page | 9 Dec 2025 | – | – |
Benchmark results
One column per reasoning effort. Rank is among every configuration of every model on that benchmark. Hover a score for the run it came from.
Coding
| Benchmark | default | Source |
|---|---|---|
| LiveCodeBench | 51.8%#111 | Vals AI |
| IOI | 0.7%#56 | Vals AI |
| SWE-bench (Vals)not in index | 62.8%#73 | Vals AI |
| SWE-bench Verified (bash only) | 53.8%#31 | SWE-bench |
| SWE-bench Verified (any scaffold)not in index | 53.8%#40 | SWE-bench |
Where to run it
Every provider serving this model through OpenRouter, with throughput and first-token latency measured on live traffic over the last 30 minutes and each provider’s own price. Purple marks the best in each column.
| Provider | Speed | First token | Input $/M | Output $/M | Context | Quantisation |
|---|---|---|---|---|---|---|
| Mistral (EU) | 18 tok/s | 1.76 s | $0.400 | $2.00 | 262k | – |
What a task costs
Estimates from list price, output speed and time to first answer for the best configuration. “With caching” assumes three-quarters of the input is served from the prompt cache. Reasoning tokens are not modelled.
| Workload | Tokens in / out | Cost | With caching | Time |
|---|---|---|---|---|
| Chat reply | 400 / 300 | $0.0008 | – | 18.4 s |
| Summarise a 30-page report | 12,000 / 600 | $0.0060 | – | 35.1 s |
| Code edit | 6,000 / 1,500 | $0.0054 | – | 1.4 min |
| Agentic coding session | 60,000 / 4,000 | $0.032 | – | 3.7 min |
| Structured extraction | 2,000 / 200 | $0.0012 | – | 12.9 s |
See also
Data as of 10 Sept 2026. Compare with another model.