Model comparison
Claude 3 Opus vs Magistral Small
Claude 3 Opus and Magistral Small score almost the same on the Noometry Index (29.3 vs 29.9), so choose on price, context window or the category you care about most.
Last verified . 5 shared benchmarks.
Mistral AISummary
- They share 5 benchmarks with published results for both. Claude 3 Opus scores higher in 1 category and Magistral Small in 3 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in math, where Magistral Small leads 24.9 to 13.9.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.7% for Claude 3 Opus and 30% for Magistral Small.
- Magistral Small has downloadable open weights; the other is API-only.
Side by side
| Claude 3 Opus | Magistral Small | |
|---|---|---|
| Provider | Anthropic | Mistral AI |
| Noometry Index | 29.3 | 29.9 |
| Released | 2024-02-29 | 2025-06-10 |
| Weights | Proprietary | Open |
| Context window | — | 128K |
| Max output | — | 40K |
| Input $ / M tokens | — | $0.50 |
| Output $ / M tokens | — | $1.50 |
| Results tracked | 46 | 10 |
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Category by category
Coding Magistral Small leads
Claude 3 Opus: 32.4 (#261), Magistral Small: 37.8 (#172)
| Benchmark | Claude 3 Opus | Magistral Small |
|---|---|---|
| SciCode | — | 35.2% |
| WeirdML | 19.2% | — |
| BigCodeBench Instruct | 45.5% | — |
| LiveBench Coding | 38.6% | — |
| LMArena Coding | 1264 | — |
| BigCodeBench Complete | 57.4% | — |
| HumanEval+ | 77.4% | — |
| MBPP+ | 73.3% | — |
Agentic & Tool Use Not comparable
Claude 3 Opus: 24.3 (#110), Magistral Small: —
| Benchmark | Claude 3 Opus | Magistral Small |
|---|---|---|
| Cybench | 10% | — |
| METR Time Horizons | 29.5% | — |
Reasoning Claude 3 Opus leads
Claude 3 Opus: 14.2 (#318), Magistral Small: 6.9 (#345)
| Benchmark | Claude 3 Opus | Magistral Small |
|---|---|---|
| Chess Puzzles | 5% | 3% |
| DTBench | 61.6% | 61.3% |
| Epoch Capabilities Index | 126.91 | 133.19 |
| ARC-AGI-2 | — | 0% |
| SimpleBench | 23.5% | — |
| Kagi LLM Benchmark | — | 6.3% |
| ARC-AGI-1 | — | 5% |
| CritPt | — | 0.3% |
| EnigmaEval | 0.8% | — |
| LiveBench Reasoning | 40.6% | — |
| LMArena Hard Prompts | 1246 | — |
| LiveBench Data Analysis | 57.9% | — |
| LMCA | 17% | — |
| ForecastBench | 58.4 | — |
| LiveBench | 49.2% | — |
| WinoGrande | 88.5% | — |
Math Magistral Small leads
Claude 3 Opus: 13.9 (#293), Magistral Small: 24.9 (#253)
| Benchmark | Claude 3 Opus | Magistral Small |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 4.7% | 30% |
| LiveBench Math | 43.6% | — |
| LMArena Math | 1273 | — |
| MATH Level 5 | 37.5% | — |
Knowledge Magistral Small leads
Claude 3 Opus: 24.5 (#262), Magistral Small: 30.9 (#215)
| Benchmark | Claude 3 Opus | Magistral Small |
|---|---|---|
| GPQA Diamond | 47.2% | 56.1% |
| SimpleQA Verified | 12.6% | — |
| Confabulations | 22.7% | — |
| LMArena Expert | 1223 | — |
| MMLU | 84.6% | — |
Multimodal Not comparable
Claude 3 Opus: 26.6 (#112), Magistral Small: —
| Benchmark | Claude 3 Opus | Magistral Small |
|---|---|---|
| LMArena Vision | 1023 | — |
Multilingual Not comparable
Claude 3 Opus: 41.6 (#202), Magistral Small: —
| Benchmark | Claude 3 Opus | Magistral Small |
|---|---|---|
| LMArena Non-English | 1258 | — |
| LMArena Chinese | 1248 | — |
| LMArena French | 1274 | — |
| LMArena German | 1258 | — |
| LMArena Japanese | 1204 | — |
| LMArena Korean | 1187 | — |
| LMArena Russian | 1280 | — |
| LMArena Spanish | 1246 | — |
Instruction Following Not comparable
Claude 3 Opus: 64.3 (#223), Magistral Small: —
| Benchmark | Claude 3 Opus | Magistral Small |
|---|---|---|
| LiveBench Instruction Following | 63.9% | — |
| LMArena Instruction Following | 1248 | — |
Long Context Not comparable
Claude 3 Opus: 38.2 (#197), Magistral Small: —
| Benchmark | Claude 3 Opus | Magistral Small |
|---|---|---|
| LMArena Longer Query | 1259 | — |
Writing & Preference Not comparable
Claude 3 Opus: 47.4 (#208), Magistral Small: —
| Benchmark | Claude 3 Opus | Magistral Small |
|---|---|---|
| LMArena Text | 1262 | — |
| LMArena Creative Writing | 1235 | — |
| LMArena Multi-Turn | 1275 | — |
| LiveBench Language | 50.4% | — |
Frequently asked questions
Is Claude 3 Opus better than Magistral Small?
Claude 3 Opus and Magistral Small score almost the same on the Noometry Index (29.3 vs 29.9), so choose on price, context window or the category you care about most.
Is Claude 3 Opus or Magistral Small better for coding?
Magistral Small scores higher on coding benchmarks: 37.8 versus 32.4 in the Noometry coding category.
How many benchmarks do Claude 3 Opus and Magistral Small share?
5 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and Magistral Small has 10.