Devstral Small
Best configuration ranks #459 of 610 on the BenchLeader Index at 42.5 ±4.0. Last measured 9 Dec 2025stale: no new result in six months. Released 9 Dec 2025.
- Blended price
- $0.150/M
- $0.100 in · $0.300 out
- Output speed
- –
- First answer
- –
- Context
- 256k
- Overall index43
- Reasoning36
- Coding44
- Agents & tools39
- Knowledge40
- Instruction following38
- Long context41
- Composite40
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.
Reasoning
| Benchmark | default | Source |
|---|---|---|
| GPQA Diamond (AA)not in index | 43.4%#433 | Artificial Analysis |
| Humanity's Last Exam (AA)not in index | 4.0%#463 | Artificial Analysis |
| Kagi LLM Benchmark | 37.7%#112 | Kagi LLM Benchmark |
Coding
| Benchmark | default | Source |
|---|---|---|
| SciCode | 28.8%#142 | SciCode |
| SWE-bench Verified (bash only) | 56.4%#26 | SWE-bench |
| SWE-bench Verified (any scaffold)not in index | 56.4%#35 | SWE-bench |
Agents & tools
| Benchmark | default | Source |
|---|---|---|
| Terminal-Bench Hard | 6.1%#257 | Artificial Analysis |
| τ²-Bench Telecom (AA)not in index | 38.0%#219 | Artificial Analysis |
Knowledge
| Benchmark | default | Source |
|---|---|---|
| AA-Omniscience | -50.8#322 | Artificial Analysis |
Instruction following
| Benchmark | default | Source |
|---|---|---|
| IFBench | 34.6%#301 | Artificial Analysis |
Long context
| Benchmark | default | Source |
|---|---|---|
| AA-LCR | 32.0%#315 | Artificial Analysis |
Composite
| Benchmark | default | Source |
|---|---|---|
| AA Intelligence Index | 8.7#353 | Artificial Analysis |
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 | $0.0001 | – | – |
| Summarise a 30-page report | 12,000 / 600 | $0.0014 | – | – |
| Code edit | 6,000 / 1,500 | $0.0011 | – | – |
| Agentic coding session | 60,000 / 4,000 | $0.0072 | – | – |
| Structured extraction | 2,000 / 200 | $0.0003 | – | – |
See also
Data as of 9 Sept 2026. Compare with another model.