Model comparison
Magistral Small vs Mistral Small 3.1
Mistral Small 3.1 is the stronger model overall, scoring 31.7 to 30.2 on the Noometry Index.
Last verified . 4 shared benchmarks.
Summary
- They share 4 benchmarks with published results for both. Magistral Small scores higher in 3 categories and Mistral Small 3.1 in 1 category; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Mistral Small 3.1 leads 19.7 to 6.8.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 30% for Magistral Small and 3.9% for Mistral Small 3.1.
- Mistral Small 3.1 is cheaper at $0.35 / $0.56 per million input/output tokens, against $0.50 / $1.50 for Magistral Small.
Side by side
| Magistral Small | Mistral Small 3.1 | |
|---|---|---|
| Provider | Mistral AI | Mistral AI |
| Noometry Index | 30.2 | 31.7 |
| Released | 2025-06-10 | 2025-03-17 |
| Weights | Open | Open |
| Context window | 128K | 128K |
| Max output | 40K | 102K |
| Input $ / M tokens | $0.50 | $0.35 |
| Output $ / M tokens | $1.50 | $0.56 |
| Results tracked | 10 | 28 |
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Category by category
Coding Too close to call
Magistral Small: 38.4 (#176), Mistral Small 3.1: 38.3 (#179)
| Benchmark | Magistral Small | Mistral Small 3.1 |
|---|---|---|
| SciCode | 35.2% | — |
| LMArena Coding | — | 1309 |
Reasoning Mistral Small 3.1 leads
Magistral Small: 6.8 (#350), Mistral Small 3.1: 19.7 (#254)
| Benchmark | Magistral Small | Mistral Small 3.1 |
|---|---|---|
| Chess Puzzles | 3% | 1% |
| Epoch Capabilities Index | 133.19 | 127.48 |
| ARC-AGI-2 | 0% | — |
| Kagi LLM Benchmark | 6.3% | — |
| ARC-AGI-1 | 5% | — |
| CritPt | 0.3% | — |
| LMArena Hard Prompts | — | 1278 |
| DTBench | 61.3% | — |
Math Magistral Small leads
Magistral Small: 26.2 (#261), Mistral Small 3.1: 14.7 (#301)
| Benchmark | Magistral Small | Mistral Small 3.1 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 30% | 3.9% |
| Omni-MATH | — | 24.8% |
| LMArena Math | — | 1262 |
Knowledge Magistral Small leads
Magistral Small: 30.9 (#223), Mistral Small 3.1: 22.6 (#271)
| Benchmark | Magistral Small | Mistral Small 3.1 |
|---|---|---|
| GPQA Diamond | 56.1% | 41.9% |
| MMLU-Pro | — | 61% |
| GPQA (HELM) | — | 39.2% |
| LMArena Expert | — | 1257 |
Multimodal Not comparable
Magistral Small: —, Mistral Small 3.1: 33.2 (#99)
| Benchmark | Magistral Small | Mistral Small 3.1 |
|---|---|---|
| LMArena Vision | — | 1136 |
Multilingual Not comparable
Magistral Small: —, Mistral Small 3.1: 41.2 (#209)
| Benchmark | Magistral Small | 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
Magistral Small: —, Mistral Small 3.1: 63.6 (#230)
| Benchmark | Magistral Small | Mistral Small 3.1 |
|---|---|---|
| IFEval | — | 75% |
| LMArena Instruction Following | — | 1264 |
Long Context Not comparable
Magistral Small: —, Mistral Small 3.1: 39.5 (#178)
| Benchmark | Magistral Small | Mistral Small 3.1 |
|---|---|---|
| LMArena Longer Query | — | 1299 |
Writing & Preference Not comparable
Magistral Small: —, Mistral Small 3.1: 37.0 (#259)
| Benchmark | Magistral Small | 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 Magistral Small better than Mistral Small 3.1?
Mistral Small 3.1 is the stronger model overall, scoring 31.7 to 30.2 on the Noometry Index.
Which is cheaper, Magistral Small or Mistral Small 3.1?
Mistral Small 3.1 is cheaper. It lists at $0.35 per million input tokens and $0.56 per million output tokens; Magistral Small lists at $0.50 and $1.50.
Is Magistral Small or Mistral Small 3.1 better for coding?
They score almost the same on coding (38.4 vs 38.3); test both on your own repository before choosing.
Which has the bigger context window?
Both accept 128K tokens.
How many benchmarks do Magistral Small and Mistral Small 3.1 share?
4 benchmarks have published results for both models. Magistral Small has 10 scored results on Noometry and Mistral Small 3.1 has 28.