Model comparison
Devstral Small 2505 vs Grok 4.1
Grok 4.1 is the stronger model overall, scoring 41.5 to 34.3 on the Noometry Index.
Last verified . 0 shared benchmarks.
Mistral AISummary
- The widest gap is in reasoning, where Grok 4.1 leads 29.5 to 19.7.
- Devstral Small 2505 has downloadable open weights; the other is API-only.
Side by side
| Devstral Small 2505 | Grok 4.1 | |
|---|---|---|
| Provider | Mistral AI | xAI |
| Noometry Index | 34.3 | 41.5 |
| Released | 2025-05-07 | 2025-11-17 |
| Weights | Open | Proprietary |
| Context window | 128K | — |
| Max output | 128K | — |
| Input $ / M tokens | $0.10 | — |
| Output $ / M tokens | $0.30 | — |
| Results tracked | 4 | 19 |
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Category by category
Coding Devstral Small 2505 leads
Devstral Small 2505: 38.9 (#166), Grok 4.1: 33.7 (#253)
| Benchmark | Devstral Small 2505 | Grok 4.1 |
|---|---|---|
| SWE-bench Verified (bash only) | 56.4% | — |
| LMArena WebDev | — | 1214 |
| SciCode | 28.8% | — |
| LMArena Coding | — | 1445 |
Agentic & Tool Use Not comparable
Devstral Small 2505: —, Grok 4.1: 34.1 (#49)
| Benchmark | Devstral Small 2505 | Grok 4.1 |
|---|---|---|
| Cybench | — | 39% |
Reasoning Grok 4.1 leads
Devstral Small 2505: 19.7 (#252), Grok 4.1: 29.5 (#91)
| Benchmark | Devstral Small 2505 | Grok 4.1 |
|---|---|---|
| Kagi LLM Benchmark | 37.7% | — |
| CritPt | 0% | — |
| LMArena Hard Prompts | — | 1435 |
Math Not comparable
Devstral Small 2505: —, Grok 4.1: 38.9 (#120)
| Benchmark | Devstral Small 2505 | Grok 4.1 |
|---|---|---|
| LMArena Math | — | 1422 |
Knowledge Not comparable
Devstral Small 2505: —, Grok 4.1: 39.5 (#133)
| Benchmark | Devstral Small 2505 | Grok 4.1 |
|---|---|---|
| LMArena Expert | — | 1417 |
Multilingual Not comparable
Devstral Small 2505: —, Grok 4.1: 53.4 (#68)
| Benchmark | Devstral Small 2505 | Grok 4.1 |
|---|---|---|
| LMArena Non-English | — | 1425 |
| LMArena Chinese | — | 1465 |
| LMArena French | — | 1448 |
| LMArena German | — | 1446 |
| LMArena Japanese | — | 1397 |
| LMArena Korean | — | 1407 |
| LMArena Russian | — | 1434 |
| LMArena Spanish | — | 1438 |
Instruction Following Not comparable
Devstral Small 2505: —, Grok 4.1: 73.8 (#111)
| Benchmark | Devstral Small 2505 | Grok 4.1 |
|---|---|---|
| LMArena Instruction Following | — | 1400 |
Long Context Not comparable
Devstral Small 2505: —, Grok 4.1: 43.2 (#100)
| Benchmark | Devstral Small 2505 | Grok 4.1 |
|---|---|---|
| LMArena Longer Query | — | 1416 |
Writing & Preference Not comparable
Devstral Small 2505: —, Grok 4.1: 62.4 (#75)
| Benchmark | Devstral Small 2505 | Grok 4.1 |
|---|---|---|
| LMArena Text | — | 1437 |
| LMArena Creative Writing | — | 1411 |
| LMArena Multi-Turn | — | 1437 |
Frequently asked questions
Is Devstral Small 2505 better than Grok 4.1?
Grok 4.1 is the stronger model overall, scoring 41.5 to 34.3 on the Noometry Index.
Is Devstral Small 2505 or Grok 4.1 better for coding?
Devstral Small 2505 scores higher on coding benchmarks: 38.9 versus 33.7 in the Noometry coding category.
How many benchmarks do Devstral Small 2505 and Grok 4.1 share?
0 benchmarks have published results for both models. Devstral Small 2505 has 4 scored results on Noometry and Grok 4.1 has 19.