Model comparison
Claude Opus 4.1 vs Magistral Medium
Claude Opus 4.1 is the stronger model overall, scoring 41.0 to 35.2 on the Noometry Index. Magistral Medium costs 11× less per token, which makes it the better buy when Claude Opus 4.1's lead doesn't matter for your workload.
Last verified . 17 shared benchmarks.
Mistral AISummary
- They share 17 benchmarks with published results for both. Claude Opus 4.1 scores higher in 7 categories and Magistral Medium in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Claude Opus 4.1 leads 32.2 to 8.6.
- Magistral Medium is cheaper at $2 / $5 per million input/output tokens, against $15 / $75 for Claude Opus 4.1.
- Magistral Medium accepts more context: 262K tokens versus 200K.
- Magistral Medium has downloadable open weights; the other is API-only.
Side by side
| Claude Opus 4.1 | Magistral Medium | |
|---|---|---|
| Provider | Anthropic | Mistral AI |
| Noometry Index | 41.0 | 35.2 |
| Released | 2025-08-05 | 2025-03-17 |
| Weights | Proprietary | Open |
| Context window | 200K | 262K |
| Max output | 32K | 16K |
| Input $ / M tokens | $15 | $2 |
| Output $ / M tokens | $75 | $5 |
| Results tracked | 48 | 22 |
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Category by category
Coding Claude Opus 4.1 leads
Claude Opus 4.1: 44.4 (#73), Magistral Medium: 39.1 (#161)
| Benchmark | Claude Opus 4.1 | Magistral Medium |
|---|---|---|
| LMArena Coding | 1479 | 1319 |
| SWE-bench Verified | 73.3% | — |
| LMArena WebDev | 1390 | — |
| SciCode | — | 39.2% |
| WeirdML | 45.9% | — |
| ALE-Bench | 674.77 | — |
| AlgoTune | 1.34 | — |
Agentic & Tool Use Not comparable
Claude Opus 4.1: 35.0 (#41), Magistral Medium: —
| Benchmark | Claude Opus 4.1 | Magistral Medium |
|---|---|---|
| Terminal-Bench | 38% | — |
| GDPval | 43.6% | — |
| Cybench | 42% | — |
| DeepResearch Bench | 48.3% | — |
| LMArena Search | 1148 | — |
| METR Time Horizons | 66.8% | — |
Reasoning Claude Opus 4.1 leads
Claude Opus 4.1: 32.2 (#76), Magistral Medium: 8.6 (#348)
| Benchmark | Claude Opus 4.1 | Magistral Medium |
|---|---|---|
| LMArena Hard Prompts | 1443 | 1267 |
| ARC-AGI-2 | — | 0% |
| SimpleBench | 60% | — |
| Kagi LLM Benchmark | — | 16.2% |
| ARC-AGI-1 | — | 6.1% |
| CritPt | — | 0.3% |
| Chess Puzzles | 7% | — |
| EnigmaEval | 7.2% | — |
| EBR-Bench | 7.9% | — |
| Mystery Game Puzzles | 21% | — |
| DTBench | 80% | — |
| LMCA | 37.1% | — |
| Epoch Capabilities Index | 144.12 | — |
| ForecastBench | 62 | — |
Math Magistral Medium leads
Claude Opus 4.1: 22.3 (#277), Magistral Medium: 35.1 (#189)
| Benchmark | Claude Opus 4.1 | Magistral Medium |
|---|---|---|
| LMArena Math | 1431 | 1250 |
| FrontierMath (Tiers 1-3) | 12.6% | — |
| FrontierMath Tier 4 | 2.4% | — |
| OTIS Mock AIME 2024-2025 | 68.9% | — |
| FrontierMath (Feb 2025 set) | 7.2% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Claude Opus 4.1 leads
Claude Opus 4.1: 42.0 (#101), Magistral Medium: 33.5 (#202)
| Benchmark | Claude Opus 4.1 | Magistral Medium |
|---|---|---|
| LMArena Expert | 1439 | 1223 |
| GPQA Diamond | 77.3% | — |
| Humanity's Last Exam | 11.5% | — |
| Confabulations | 17.1% | — |
| Vectara Hallucination Rate | 11.8% | — |
Multimodal Not comparable
Claude Opus 4.1: 26.8 (#119), Magistral Medium: —
| Benchmark | Claude Opus 4.1 | Magistral Medium |
|---|---|---|
| VPCT | 35% | — |
Multilingual Claude Opus 4.1 leads
Claude Opus 4.1: 52.0 (#95), Magistral Medium: 39.6 (#224)
| Benchmark | Claude Opus 4.1 | Magistral Medium |
|---|---|---|
| LMArena Non-English | 1405 | 1232 |
| LMArena Chinese | 1427 | 1227 |
| LMArena French | 1431 | 1267 |
| LMArena German | 1413 | 1248 |
| LMArena Japanese | 1378 | 1175 |
| LMArena Korean | 1380 | 1125 |
| LMArena Russian | 1422 | 1224 |
| LMArena Spanish | 1448 | 1271 |
Instruction Following Claude Opus 4.1 leads
Claude Opus 4.1: 75.6 (#58), Magistral Medium: 66.0 (#211)
| Benchmark | Claude Opus 4.1 | Magistral Medium |
|---|---|---|
| LMArena Instruction Following | 1435 | 1254 |
Long Context Claude Opus 4.1 leads
Claude Opus 4.1: 44.5 (#63), Magistral Medium: 39.3 (#183)
| Benchmark | Claude Opus 4.1 | Magistral Medium |
|---|---|---|
| LMArena Longer Query | 1455 | 1295 |
Writing & Preference Claude Opus 4.1 leads
Claude Opus 4.1: 62.4 (#74), Magistral Medium: 46.3 (#219)
| Benchmark | Claude Opus 4.1 | Magistral Medium |
|---|---|---|
| LMArena Text | 1419 | 1255 |
| LMArena Creative Writing | 1412 | 1245 |
| LMArena Multi-Turn | 1444 | 1275 |
| Short-Story Creative Writing | 84.7% | — |
Frequently asked questions
Is Claude Opus 4.1 better than Magistral Medium?
Claude Opus 4.1 is the stronger model overall, scoring 41.0 to 35.2 on the Noometry Index. Magistral Medium costs 11× less per token, which makes it the better buy when Claude Opus 4.1's lead doesn't matter for your workload.
Which is cheaper, Claude Opus 4.1 or Magistral Medium?
Magistral Medium is cheaper. It lists at $2 per million input tokens and $5 per million output tokens; Claude Opus 4.1 lists at $15 and $75.
Is Claude Opus 4.1 or Magistral Medium better for coding?
Claude Opus 4.1 scores higher on coding benchmarks: 44.4 versus 39.1 in the Noometry coding category.
Which has the bigger context window?
Magistral Medium does, with 262K tokens against 200K.
How many benchmarks do Claude Opus 4.1 and Magistral Medium share?
17 benchmarks have published results for both models. Claude Opus 4.1 has 48 scored results on Noometry and Magistral Medium has 22.