Model comparison
Mistral vs Mistral Small 3.1
Mistral Small 3.1 is the stronger model overall, scoring 31.7 to 29.9 on the Noometry Index.
Last verified . 22 shared benchmarks.
Mistral AISummary
- They share 22 benchmarks with published results for both. Mistral scores higher in 2 categories and Mistral Small 3.1 in 6 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in instruction following, where Mistral Small 3.1 leads 63.6 to 52.6.
- The biggest single-benchmark swing is MMLU-Pro: 27.7% for Mistral and 61% for Mistral Small 3.1.
- Mistral Small 3.1 has downloadable open weights; the other is API-only.
Side by side
| Mistral | Mistral Small 3.1 | |
|---|---|---|
| Provider | Mistral AI | Mistral AI |
| Noometry Index | 29.9 | 31.7 |
| Released | — | 2025-03-17 |
| Weights | Proprietary | Open |
| Context window | — | 128K |
| Max output | — | 102K |
| Input $ / M tokens | — | $0.35 |
| Output $ / M tokens | — | $0.56 |
| Results tracked | 22 | 28 |
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Category by category
Coding Mistral Small 3.1 leads
Mistral: 33.8 (#250), Mistral Small 3.1: 38.3 (#179)
| Benchmark | Mistral | Mistral Small 3.1 |
|---|---|---|
| LMArena Coding | 1162 | 1309 |
Reasoning Mistral leads
Mistral: 22.2 (#200), Mistral Small 3.1: 19.7 (#254)
| Benchmark | Mistral | Mistral Small 3.1 |
|---|---|---|
| LMArena Hard Prompts | 1149 | 1278 |
| Chess Puzzles | — | 1% |
| Epoch Capabilities Index | — | 127.48 |
Math Mistral leads
Mistral: 22.3 (#278), Mistral Small 3.1: 14.7 (#301)
| Benchmark | Mistral | Mistral Small 3.1 |
|---|---|---|
| Omni-MATH | 7.2% | 24.8% |
| LMArena Math | 1180 | 1262 |
| OTIS Mock AIME 2024-2025 | — | 3.9% |
Knowledge Mistral Small 3.1 leads
Mistral: 16.6 (#288), Mistral Small 3.1: 22.6 (#271)
| Benchmark | Mistral | Mistral Small 3.1 |
|---|---|---|
| MMLU-Pro | 27.7% | 61% |
| GPQA (HELM) | 30.3% | 39.2% |
| LMArena Expert | 1125 | 1257 |
| GPQA Diamond | — | 41.9% |
Multimodal Not comparable
Mistral: —, Mistral Small 3.1: 33.2 (#99)
| Benchmark | Mistral | Mistral Small 3.1 |
|---|---|---|
| LMArena Vision | — | 1136 |
Multilingual Mistral Small 3.1 leads
Mistral: 32.8 (#254), Mistral Small 3.1: 41.2 (#209)
| Benchmark | Mistral | Mistral Small 3.1 |
|---|---|---|
| LMArena Non-English | 1129 | 1255 |
| LMArena Chinese | 1109 | 1253 |
| LMArena French | 1180 | 1273 |
| LMArena German | 1155 | 1266 |
| LMArena Japanese | 1013 | 1208 |
| LMArena Korean | 1032 | 1206 |
| LMArena Russian | 1168 | 1263 |
| LMArena Spanish | 1143 | 1283 |
Instruction Following Mistral Small 3.1 leads
Mistral: 52.6 (#288), Mistral Small 3.1: 63.6 (#230)
| Benchmark | Mistral | Mistral Small 3.1 |
|---|---|---|
| IFEval | 56.8% | 75% |
| LMArena Instruction Following | 1152 | 1264 |
Long Context Mistral Small 3.1 leads
Mistral: 35.0 (#245), Mistral Small 3.1: 39.5 (#178)
| Benchmark | Mistral | Mistral Small 3.1 |
|---|---|---|
| LMArena Longer Query | 1153 | 1299 |
Writing & Preference Too close to call
Mistral: 37.0 (#260), Mistral Small 3.1: 37.0 (#259)
| Benchmark | Mistral | Mistral Small 3.1 |
|---|---|---|
| LMArena Text | 1165 | 1277 |
| LMArena Creative Writing | 1158 | 1253 |
| WildBench | 66% | 78.8% |
| LMArena Multi-Turn | 1147 | 1270 |
| EQ-Bench Creative Writing | — | 761 |
Frequently asked questions
Is Mistral better than Mistral Small 3.1?
Mistral Small 3.1 is the stronger model overall, scoring 31.7 to 29.9 on the Noometry Index.
Is Mistral or Mistral Small 3.1 better for coding?
Mistral Small 3.1 scores higher on coding benchmarks: 38.3 versus 33.8 in the Noometry coding category.
How many benchmarks do Mistral and Mistral Small 3.1 share?
22 benchmarks have published results for both models. Mistral has 22 scored results on Noometry and Mistral Small 3.1 has 28.