Model comparison
Claude 2 vs Mistral Small 3.1
Mistral Small 3.1 is the stronger model overall, scoring 31.7 to 25.0 on the Noometry Index.
Last verified . 3 shared benchmarks.
Mistral AISummary
- They share 3 benchmarks with published results for both. Claude 2 scores higher in 1 category and Mistral Small 3.1 in 2 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Mistral Small 3.1 leads 22.6 to 16.9.
- The biggest single-benchmark swing is GPQA Diamond: 34.7% for Claude 2 and 41.9% for Mistral Small 3.1.
- Mistral Small 3.1 has downloadable open weights; the other is API-only.
Side by side
| Claude 2 | Mistral Small 3.1 | |
|---|---|---|
| Provider | Anthropic | Mistral AI |
| Noometry Index | 25.0 | 31.7 |
| Released | 2023-07-11 | 2025-03-17 |
| Weights | Proprietary | Open |
| Context window | — | 128K |
| Max output | — | 102K |
| Input $ / M tokens | — | $0.35 |
| Output $ / M tokens | — | $0.56 |
| Results tracked | 8 | 28 |
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Category by category
Coding Not comparable
Claude 2: —, Mistral Small 3.1: 38.3 (#179)
| Benchmark | Claude 2 | Mistral Small 3.1 |
|---|---|---|
| LMArena Coding | — | 1309 |
| HumanEval+ | 61.6% | — |
Reasoning Claude 2 leads
Claude 2: 21.7 (#216), Mistral Small 3.1: 19.7 (#254)
| Benchmark | Claude 2 | Mistral Small 3.1 |
|---|---|---|
| Epoch Capabilities Index | 120.13 | 127.48 |
| Chess Puzzles | — | 1% |
| LMArena Hard Prompts | — | 1278 |
| DTBench | 51.9% | — |
Math Mistral Small 3.1 leads
Claude 2: 9.3 (#320), Mistral Small 3.1: 14.7 (#301)
| Benchmark | Claude 2 | Mistral Small 3.1 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.5% | 3.9% |
| Omni-MATH | — | 24.8% |
| LMArena Math | — | 1262 |
| MATH Level 5 | 11.7% | — |
Knowledge Mistral Small 3.1 leads
Claude 2: 16.9 (#287), Mistral Small 3.1: 22.6 (#271)
| Benchmark | Claude 2 | Mistral Small 3.1 |
|---|---|---|
| GPQA Diamond | 34.7% | 41.9% |
| MMLU-Pro | — | 61% |
| GPQA (HELM) | — | 39.2% |
| LMArena Expert | — | 1257 |
| MMLU | 78.5% | — |
| TriviaQA | 87.5% | — |
Multimodal Not comparable
Claude 2: —, Mistral Small 3.1: 33.2 (#99)
| Benchmark | Claude 2 | Mistral Small 3.1 |
|---|---|---|
| LMArena Vision | — | 1136 |
Multilingual Not comparable
Claude 2: —, Mistral Small 3.1: 41.2 (#209)
| Benchmark | Claude 2 | Mistral Small 3.1 |
|---|---|---|
| LMArena Non-English | — | 1255 |
| LMArena Chinese | — | 1253 |
| LMArena French | — | 1273 |
| LMArena German | — | 1266 |
| LMArena Japanese | — | 1208 |
| LMArena Korean | — | 1206 |
| LMArena Russian | — | 1263 |
| LMArena Spanish | — | 1283 |
Instruction Following Not comparable
Claude 2: —, Mistral Small 3.1: 63.6 (#230)
| Benchmark | Claude 2 | Mistral Small 3.1 |
|---|---|---|
| IFEval | — | 75% |
| LMArena Instruction Following | — | 1264 |
Long Context Not comparable
Claude 2: —, Mistral Small 3.1: 39.5 (#178)
| Benchmark | Claude 2 | Mistral Small 3.1 |
|---|---|---|
| LMArena Longer Query | — | 1299 |
Writing & Preference Not comparable
Claude 2: —, Mistral Small 3.1: 37.0 (#259)
| Benchmark | Claude 2 | Mistral Small 3.1 |
|---|---|---|
| LMArena Text | — | 1277 |
| LMArena Creative Writing | — | 1253 |
| EQ-Bench Creative Writing | — | 761 |
| WildBench | — | 78.8% |
| LMArena Multi-Turn | — | 1270 |
Frequently asked questions
Is Claude 2 better than Mistral Small 3.1?
Mistral Small 3.1 is the stronger model overall, scoring 31.7 to 25.0 on the Noometry Index.
How many benchmarks do Claude 2 and Mistral Small 3.1 share?
3 benchmarks have published results for both models. Claude 2 has 8 scored results on Noometry and Mistral Small 3.1 has 28.