Model comparison
Mistral Small 3 vs Mistral Small 3.1
Mistral Small 3 and Mistral Small 3.1 score almost the same on the Noometry Index (31.2 vs 31.7), so choose on price, context window or the category you care about most.
Last verified . 21 shared benchmarks.
Mistral AISummary
- They share 21 benchmarks with published results for both. Mistral Small 3 scores higher in 3 categories and Mistral Small 3.1 in 5 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Mistral Small 3.1 leads 37.0 to 32.2.
- The biggest single-benchmark swing is GPQA Diamond: 47.3% for Mistral Small 3 and 41.9% for Mistral Small 3.1.
- Mistral Small 3 is cheaper at $0.05 / $0.08 per million input/output tokens, against $0.35 / $0.56 for Mistral Small 3.1.
- Mistral Small 3.1 accepts more context: 128K tokens versus 33K.
Side by side
| Mistral Small 3 | Mistral Small 3.1 | |
|---|---|---|
| Provider | Mistral AI | Mistral AI |
| Noometry Index | 31.2 | 31.7 |
| Released | 2025-01-30 | 2025-03-17 |
| Weights | Open | Open |
| Context window | 33K | 128K |
| Max output | 16K | 102K |
| Input $ / M tokens | $0.05 | $0.35 |
| Output $ / M tokens | $0.08 | $0.56 |
| Results tracked | 24 | 28 |
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Category by category
Coding Mistral Small 3.1 leads
Mistral Small 3: 36.5 (#207), Mistral Small 3.1: 38.3 (#179)
| Benchmark | Mistral Small 3 | Mistral Small 3.1 |
|---|---|---|
| LMArena Coding | 1246 | 1309 |
| BigCodeBench Instruct | 45.3% | — |
| BigCodeBench Complete | 50.4% | — |
Reasoning Too close to call
Mistral Small 3: 18.9 (#273), Mistral Small 3.1: 19.7 (#254)
| Benchmark | Mistral Small 3 | Mistral Small 3.1 |
|---|---|---|
| Chess Puzzles | 0% | 1% |
| LMArena Hard Prompts | 1233 | 1278 |
| Epoch Capabilities Index | 127.07 | 127.48 |
Math Mistral Small 3 leads
Mistral Small 3: 16.3 (#295), Mistral Small 3.1: 14.7 (#301)
| Benchmark | Mistral Small 3 | Mistral Small 3.1 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 6.7% | 3.9% |
| LMArena Math | 1240 | 1262 |
| Omni-MATH | — | 24.8% |
Knowledge Mistral Small 3 leads
Mistral Small 3: 25.1 (#263), Mistral Small 3.1: 22.6 (#271)
| Benchmark | Mistral Small 3 | Mistral Small 3.1 |
|---|---|---|
| GPQA Diamond | 47.3% | 41.9% |
| LMArena Expert | 1202 | 1257 |
| MMLU-Pro | — | 61% |
| Confabulations | 25.2% | — |
| GPQA (HELM) | — | 39.2% |
Multimodal Not comparable
Mistral Small 3: —, Mistral Small 3.1: 33.2 (#99)
| Benchmark | Mistral Small 3 | Mistral Small 3.1 |
|---|---|---|
| LMArena Vision | — | 1136 |
Multilingual Mistral Small 3.1 leads
Mistral Small 3: 37.3 (#236), Mistral Small 3.1: 41.2 (#209)
| Benchmark | Mistral Small 3 | Mistral Small 3.1 |
|---|---|---|
| LMArena Non-English | 1198 | 1255 |
| LMArena Chinese | 1204 | 1253 |
| LMArena French | 1203 | 1273 |
| LMArena German | 1211 | 1266 |
| LMArena Japanese | 1111 | 1208 |
| LMArena Korean | 1188 | 1206 |
| LMArena Russian | 1216 | 1263 |
| LMArena Spanish | — | 1283 |
Instruction Following Too close to call
Mistral Small 3: 63.7 (#229), Mistral Small 3.1: 63.6 (#230)
| Benchmark | Mistral Small 3 | Mistral Small 3.1 |
|---|---|---|
| LMArena Instruction Following | 1214 | 1264 |
| IFEval | — | 75% |
Long Context Mistral Small 3.1 leads
Mistral Small 3: 37.8 (#211), Mistral Small 3.1: 39.5 (#178)
| Benchmark | Mistral Small 3 | Mistral Small 3.1 |
|---|---|---|
| LMArena Longer Query | 1246 | 1299 |
Writing & Preference Mistral Small 3.1 leads
Mistral Small 3: 32.2 (#280), Mistral Small 3.1: 37.0 (#259)
| Benchmark | Mistral Small 3 | Mistral Small 3.1 |
|---|---|---|
| LMArena Text | 1234 | 1277 |
| LMArena Creative Writing | 1195 | 1253 |
| EQ-Bench Creative Writing | 707 | 761 |
| LMArena Multi-Turn | 1217 | 1270 |
| WildBench | — | 78.8% |
Frequently asked questions
Is Mistral Small 3 better than Mistral Small 3.1?
Mistral Small 3 and Mistral Small 3.1 score almost the same on the Noometry Index (31.2 vs 31.7), so choose on price, context window or the category you care about most.
Which is cheaper, Mistral Small 3 or Mistral Small 3.1?
Mistral Small 3 is cheaper. It lists at $0.05 per million input tokens and $0.08 per million output tokens; Mistral Small 3.1 lists at $0.35 and $0.56.
Is Mistral Small 3 or Mistral Small 3.1 better for coding?
Mistral Small 3.1 scores higher on coding benchmarks: 38.3 versus 36.5 in the Noometry coding category.
Which has the bigger context window?
Mistral Small 3.1 does, with 128K tokens against 33K.
How many benchmarks do Mistral Small 3 and Mistral Small 3.1 share?
21 benchmarks have published results for both models. Mistral Small 3 has 24 scored results on Noometry and Mistral Small 3.1 has 28.