# Mistral Small vs o1-mini

> Mistral Small and o1-mini score almost the same on the Noometry Index (33.4 vs 34.0), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/mistral-small-vs-o1-mini
- Last updated: 2026-10-10
- Shared benchmarks: 27

## Summary

- They share 27 benchmarks with published results for both. Mistral Small scores higher in 5 categories and o1-mini in 4 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in math, where o1-mini leads 35.4 to 16.4.
- The biggest single-benchmark swing is MATH Level 5: 46.8% for Mistral Small and 89.2% for o1-mini.
- Mistral Small has downloadable open weights; the other is API-only.

## Snapshot

| | Mistral Small | o1-mini |
|---|---|---|
| Provider | Mistral AI | OpenAI |
| Noometry Index | 33.4 | 34.0 |
| Rank | 243 | 235 |
| Context | 262K | — |
| Input $/M | $0.15 | — |
| Output $/M | $0.60 | — |
| Weights | Open | Proprietary |

## Coding

- Mistral Small: 34.0 (#247)
- o1-mini: 35.5 (#224)

| Benchmark | Mistral Small | o1-mini |
|---|---|---|
| LiveBench Coding | 36.2% | 48% |
| LMArena Coding | 1362 | 1362 |
| Aider Polyglot | — | 32.9% |
| SciCode | 26.5% | — |
| WeirdML | — | 36.3% |
| BigCodeBench Instruct | 36.1% | — |
| BigCodeBench Complete | 46.6% | — |
| ALE-Bench | 497.62 | — |
| HumanEval+ | — | 89% |
| MBPP+ | — | 78.8% |

## Agentic & Tool Use

- Mistral Small: 28.1 (#93)
- o1-mini: 24.6 (#118)

| Benchmark | Mistral Small | o1-mini |
|---|---|---|
| Berkeley Function Calling Leaderboard | 37.1% | — |
| Cybench | — | 10% |

## Reasoning

- Mistral Small: 19.8 (#250)
- o1-mini: 8.8 (#346)

| Benchmark | Mistral Small | o1-mini |
|---|---|---|
| LiveBench Reasoning | 44.8% | 72.3% |
| LMArena Hard Prompts | 1335 | 1333 |
| LiveBench Data Analysis | 53.7% | 57.9% |
| LiveBench | 44% | 57.8% |
| ARC-AGI-2 | — | 0.8% |
| SimpleBench | — | 18.1% |
| Kagi LLM Benchmark | 37.8% | — |
| ARC-AGI-1 | — | 14% |
| CritPt | 0% | — |
| DTBench | 70.9% | — |
| LMCA | 20.6% | — |
| Epoch Capabilities Index | — | 135.82 |

## Math

- Mistral Small: 16.4 (#293)
- o1-mini: 35.4 (#186)

| Benchmark | Mistral Small | o1-mini |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 5.8% | 46.9% |
| LiveBench Math | 39.9% | 62% |
| LMArena Math | 1341 | 1358 |
| MATH Level 5 | 46.8% | 89.2% |
| FrontierMath (Feb 2025 set) | — | 1.7% |

## Knowledge

- Mistral Small: 31.0 (#222)
- o1-mini: 34.9 (#192)

| Benchmark | Mistral Small | o1-mini |
|---|---|---|
| GPQA Diamond | 47.5% | 62.4% |
| LMArena Expert | 1291 | 1316 |
| Confabulations | — | 18.6% |
| Vectara Hallucination Rate | 5.1% | — |
| MMLU | 68.7% | — |

## Multimodal

- Mistral Small: 33.5 (#96)
- o1-mini: —

| Benchmark | Mistral Small | o1-mini |
|---|---|---|
| LMArena Vision | 1142 | — |

## Multilingual

- Mistral Small: 45.5 (#169)
- o1-mini: 43.6 (#182)

| Benchmark | Mistral Small | o1-mini |
|---|---|---|
| LMArena Non-English | 1315 | 1289 |
| LMArena Chinese | 1340 | 1314 |
| LMArena French | 1337 | 1293 |
| LMArena German | 1340 | 1278 |
| LMArena Japanese | 1275 | 1245 |
| LMArena Korean | 1259 | 1223 |
| LMArena Russian | 1324 | 1283 |
| LMArena Spanish | 1346 | 1303 |

## Instruction Following

- Mistral Small: 66.4 (#209)
- o1-mini: 66.7 (#206)

| Benchmark | Mistral Small | o1-mini |
|---|---|---|
| LiveBench Instruction Following | 63.7% | 65.4% |
| LMArena Instruction Following | 1310 | 1304 |

## Long Context

- Mistral Small: 40.4 (#156)
- o1-mini: 40.1 (#161)

| Benchmark | Mistral Small | o1-mini |
|---|---|---|
| LMArena Longer Query | 1327 | 1320 |

## Writing & Preference

- Mistral Small: 52.5 (#171)
- o1-mini: 48.4 (#202)

| Benchmark | Mistral Small | o1-mini |
|---|---|---|
| LMArena Text | 1338 | 1317 |
| LMArena Creative Writing | 1305 | 1244 |
| LMArena Multi-Turn | 1344 | 1314 |
| LiveBench Language | 30.5% | 40.9% |
| Short-Story Creative Writing | — | 64.9% |

## FAQ

### Is Mistral Small better than o1-mini?

Mistral Small and o1-mini score almost the same on the Noometry Index (33.4 vs 34.0), so choose on price, context window or the category you care about most.

### Is Mistral Small or o1-mini better for coding?

o1-mini scores higher on coding benchmarks: 35.5 versus 34.0 in the Noometry coding category.

### How many benchmarks do Mistral Small and o1-mini share?

27 benchmarks have published results for both models. Mistral Small has 39 scored results on Noometry and o1-mini has 39.