# Claude 3 Opus vs Magistral Medium

> Magistral Medium is the stronger model overall, scoring 35.2 to 29.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-opus-vs-magistral-medium
- Last updated: 2026-10-11
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Claude 3 Opus scores higher in 3 categories and Magistral Medium in 5 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in math, where Magistral Medium leads 35.1 to 14.8.
- Magistral Medium has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 3 Opus | Magistral Medium |
|---|---|---|
| Provider | Anthropic | Mistral AI |
| Noometry Index | 29.5 | 35.2 |
| Rank | 310 | 227 |
| Context | — | 262K |
| Input $/M | — | $2 |
| Output $/M | — | $5 |
| Weights | Proprietary | Open |

## Coding

- Claude 3 Opus: 32.9 (#267)
- Magistral Medium: 39.1 (#161)

| Benchmark | Claude 3 Opus | Magistral Medium |
|---|---|---|
| LMArena Coding | 1264 | 1319 |
| SciCode | — | 39.2% |
| WeirdML | 19.2% | — |
| BigCodeBench Instruct | 45.5% | — |
| LiveBench Coding | 38.6% | — |
| BigCodeBench Complete | 57.4% | — |
| HumanEval+ | 77.4% | — |
| MBPP+ | 73.3% | — |

## Agentic & Tool Use

- Claude 3 Opus: 24.6 (#116)
- Magistral Medium: —

| Benchmark | Claude 3 Opus | Magistral Medium |
|---|---|---|
| Cybench | 10% | — |
| METR Time Horizons | 29.5% | — |

## Reasoning

- Claude 3 Opus: 14.6 (#324)
- Magistral Medium: 8.6 (#348)

| Benchmark | Claude 3 Opus | Magistral Medium |
|---|---|---|
| LMArena Hard Prompts | 1245 | 1267 |
| ARC-AGI-2 | — | 0% |
| SimpleBench | 23.5% | — |
| Kagi LLM Benchmark | — | 16.2% |
| ARC-AGI-1 | — | 6.1% |
| CritPt | — | 0.3% |
| Chess Puzzles | 5% | — |
| EnigmaEval | 0.8% | — |
| LiveBench Reasoning | 40.6% | — |
| DTBench | 61.6% | — |
| LiveBench Data Analysis | 57.9% | — |
| LMCA | 17% | — |
| Epoch Capabilities Index | 126.91 | — |
| ForecastBench | 58.4 | — |
| LiveBench | 49.2% | — |
| WinoGrande | 88.5% | — |

## Math

- Claude 3 Opus: 14.8 (#299)
- Magistral Medium: 35.1 (#189)

| Benchmark | Claude 3 Opus | Magistral Medium |
|---|---|---|
| LMArena Math | 1273 | 1250 |
| OTIS Mock AIME 2024-2025 | 4.7% | — |
| LiveBench Math | 43.6% | — |
| MATH Level 5 | 37.5% | — |

## Knowledge

- Claude 3 Opus: 24.5 (#267)
- Magistral Medium: 33.5 (#202)

| Benchmark | Claude 3 Opus | Magistral Medium |
|---|---|---|
| LMArena Expert | 1223 | 1223 |
| GPQA Diamond | 47.2% | — |
| SimpleQA Verified | 12.6% | — |
| Confabulations | 22.7% | — |
| MMLU | 84.6% | — |

## Multimodal

- Claude 3 Opus: 27.1 (#116)
- Magistral Medium: —

| Benchmark | Claude 3 Opus | Magistral Medium |
|---|---|---|
| LMArena Vision | 1023 | — |

## Multilingual

- Claude 3 Opus: 41.4 (#207)
- Magistral Medium: 39.6 (#224)

| Benchmark | Claude 3 Opus | Magistral Medium |
|---|---|---|
| LMArena Non-English | 1258 | 1232 |
| LMArena Chinese | 1248 | 1227 |
| LMArena French | 1275 | 1267 |
| LMArena German | 1258 | 1248 |
| LMArena Japanese | 1204 | 1175 |
| LMArena Korean | 1187 | 1125 |
| LMArena Russian | 1280 | 1224 |
| LMArena Spanish | 1246 | 1271 |

## Instruction Following

- Claude 3 Opus: 64.1 (#228)
- Magistral Medium: 66.0 (#211)

| Benchmark | Claude 3 Opus | Magistral Medium |
|---|---|---|
| LMArena Instruction Following | 1248 | 1254 |
| LiveBench Instruction Following | 63.9% | — |

## Long Context

- Claude 3 Opus: 38.2 (#202)
- Magistral Medium: 39.3 (#183)

| Benchmark | Claude 3 Opus | Magistral Medium |
|---|---|---|
| LMArena Longer Query | 1259 | 1295 |

## Writing & Preference

- Claude 3 Opus: 47.2 (#213)
- Magistral Medium: 46.3 (#219)

| Benchmark | Claude 3 Opus | Magistral Medium |
|---|---|---|
| LMArena Text | 1262 | 1255 |
| LMArena Creative Writing | 1235 | 1245 |
| LMArena Multi-Turn | 1275 | 1275 |
| LiveBench Language | 50.4% | — |

## FAQ

### Is Claude 3 Opus better than Magistral Medium?

Magistral Medium is the stronger model overall, scoring 35.2 to 29.5 on the Noometry Index.

### Is Claude 3 Opus or Magistral Medium better for coding?

Magistral Medium scores higher on coding benchmarks: 39.1 versus 32.9 in the Noometry coding category.

### How many benchmarks do Claude 3 Opus and Magistral Medium share?

17 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and Magistral Medium has 22.