Model comparison
Grok 3 vs Mistral Small 3.2
Grok 3 is the stronger model overall, scoring 39.9 to 31.2 on the Noometry Index.
Last verified . 5 shared benchmarks.
Mistral AISummary
- They share 5 benchmarks with published results for both. Grok 3 scores higher in 3 categories and Mistral Small 3.2 in 1 category; 4 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Grok 3 leads 46.2 to 26.7.
- The biggest single-benchmark swing is GPQA Diamond: 75.8% for Grok 3 and 49.1% for Mistral Small 3.2.
- Mistral Small 3.2 has downloadable open weights; the other is API-only.
Side by side
| Grok 3 | Mistral Small 3.2 | |
|---|---|---|
| Provider | xAI | Mistral AI |
| Noometry Index | 39.9 | 31.2 |
| Released | 2025-04-09 | 2025-06-20 |
| Weights | Proprietary | Open |
| Context window | — | 256K |
| Max output | — | 16K |
| Input $ / M tokens | — | $0.0938 |
| Output $ / M tokens | — | $0.25 |
| Results tracked | 40 | 6 |
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Category by category
Coding Not comparable
Grok 3: 41.9 (#115), Mistral Small 3.2: —
| Benchmark | Grok 3 | Mistral Small 3.2 |
|---|---|---|
| Aider Polyglot | 53.3% | — |
| WeirdML | 37.2% | — |
| LMArena Coding | 1432 | — |
Agentic & Tool Use Not comparable
Grok 3: 30.5 (#76), Mistral Small 3.2: —
| Benchmark | Grok 3 | Mistral Small 3.2 |
|---|---|---|
| BALROG | 29.5% | — |
Reasoning Mistral Small 3.2 leads
Grok 3: 13.7 (#333), Mistral Small 3.2: 18.1 (#287)
| Benchmark | Grok 3 | Mistral Small 3.2 |
|---|---|---|
| Kagi LLM Benchmark | 61.3% | 40.4% |
| Epoch Capabilities Index | 138.33 | 131.74 |
| ARC-AGI-2 | 0% | — |
| SimpleBench | 36.1% | — |
| ARC-AGI-1 | 5.5% | — |
| Chess Puzzles | — | 1% |
| LMArena Hard Prompts | 1434 | — |
Math Grok 3 leads
Grok 3: 38.0 (#145), Mistral Small 3.2: 26.3 (#260)
| Benchmark | Grok 3 | Mistral Small 3.2 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 55.6% | 30.3% |
| Omni-MATH | 46.4% | — |
| LMArena Math | 1391 | — |
| MATH Level 5 | 88.7% | — |
| FrontierMath (Feb 2025 set) | 3.8% | — |
| FrontierMath Tier 4 (v1) | 0% | — |
Knowledge Grok 3 leads
Grok 3: 46.2 (#82), Mistral Small 3.2: 26.7 (#256)
| Benchmark | Grok 3 | Mistral Small 3.2 |
|---|---|---|
| GPQA Diamond | 75.8% | 49.1% |
| MMLU-Pro | 78.8% | — |
| Confabulations | 14.2% | — |
| Vectara Hallucination Rate | 5.8% | — |
| GPQA (HELM) | 65% | — |
| LMArena Expert | 1421 | — |
Multilingual Not comparable
Grok 3: 52.3 (#87), Mistral Small 3.2: —
| Benchmark | Grok 3 | Mistral Small 3.2 |
|---|---|---|
| LMArena Non-English | 1410 | — |
| LMArena Chinese | 1448 | — |
| LMArena French | 1460 | — |
| LMArena German | 1431 | — |
| LMArena Japanese | 1387 | — |
| LMArena Korean | 1373 | — |
| LMArena Russian | 1416 | — |
| LMArena Spanish | 1417 | — |
Instruction Following Not comparable
Grok 3: 75.0 (#73), Mistral Small 3.2: —
| Benchmark | Grok 3 | Mistral Small 3.2 |
|---|---|---|
| IFEval | 88.4% | — |
| LMArena Instruction Following | 1409 | — |
Long Context Not comparable
Grok 3: 38.7 (#192), Mistral Small 3.2: —
| Benchmark | Grok 3 | Mistral Small 3.2 |
|---|---|---|
| Fiction.LiveBench | 58.3% | — |
| LMArena Longer Query | 1439 | — |
Writing & Preference Grok 3 leads
Grok 3: 55.8 (#141), Mistral Small 3.2: 45.0 (#224)
| Benchmark | Grok 3 | Mistral Small 3.2 |
|---|---|---|
| EQ-Bench Creative Writing | 1186 | 1255 |
| LMArena Text | 1426 | — |
| LMArena Creative Writing | 1414 | — |
| Short-Story Creative Writing | 76.4% | — |
| WildBench | 84.9% | — |
| LMArena Multi-Turn | 1425 | — |
Frequently asked questions
Is Grok 3 better than Mistral Small 3.2?
Grok 3 is the stronger model overall, scoring 39.9 to 31.2 on the Noometry Index.
How many benchmarks do Grok 3 and Mistral Small 3.2 share?
5 benchmarks have published results for both models. Grok 3 has 40 scored results on Noometry and Mistral Small 3.2 has 6.