# Claude Sonnet 4.6 vs Mistral Medium

> Claude Sonnet 4.6 is the stronger model overall, scoring 50.3 to 36.3 on the Noometry Index. Mistral Medium costs 2.0× less per token, which makes it the better buy when Claude Sonnet 4.6's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/claude-sonnet-4-6-vs-mistral-medium
- Last updated: 2026-10-10
- Shared benchmarks: 30

## Summary

- They share 30 benchmarks with published results for both. Claude Sonnet 4.6 scores higher in 10 categories and Mistral Medium in 0 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Claude Sonnet 4.6 leads 51.7 to 25.0.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 85.8% for Claude Sonnet 4.6 and 32.2% for Mistral Medium.
- Mistral Medium is cheaper at $1.50 / $7.50 per million input/output tokens, against $3 / $15 for Claude Sonnet 4.6.
- Claude Sonnet 4.6 accepts more context: 1M tokens versus 262K.
- Mistral Medium has downloadable open weights; the other is API-only.

## Snapshot

| | Claude Sonnet 4.6 | Mistral Medium |
|---|---|---|
| Provider | Anthropic | Mistral AI |
| Noometry Index | 50.3 | 36.3 |
| Rank | 50 | 218 |
| Context | 1M | 262K |
| Input $/M | $3 | $1.50 |
| Output $/M | $15 | $7.50 |
| Weights | Proprietary | Open |

## Coding

- Claude Sonnet 4.6: 46.3 (#67)
- Mistral Medium: 34.2 (#243)

| Benchmark | Claude Sonnet 4.6 | Mistral Medium |
|---|---|---|
| FrontierCode | 24.3% | 8% |
| SciCode | 46.8% | 40.2% |
| WeirdML | 66.1% | 43.7% |
| LMArena Coding | 1504 | 1434 |
| ALE-Bench | 1,327 | 763.98 |
| SWE-bench Verified | 75.2% | — |
| DeepSWE | 29.9% | — |
| LMArena WebDev | 1522 | — |

## Agentic & Tool Use

- Claude Sonnet 4.6: 39.1 (#28)
- Mistral Medium: 28.3 (#90)

| Benchmark | Claude Sonnet 4.6 | Mistral Medium |
|---|---|---|
| Terminal-Bench | 53.4% | — |
| APEX-Agents | 43% | — |
| Berkeley Function Calling Leaderboard | — | 37.7% |
| OSWorld 2.0 | 9.3% | — |
| DeepResearch Bench | 54.9% | — |
| OSWorld | 72.1% | — |
| ExploitBench | 23.6% | — |
| GBAEval | 48.8% | — |
| GDP.pdf | 18% | — |
| LMArena Search | 1221 | — |
| Vending-Bench 2 | 7,204 | — |

## Reasoning

- Claude Sonnet 4.6: 46.1 (#45)
- Mistral Medium: 24.0 (#167)

| Benchmark | Claude Sonnet 4.6 | Mistral Medium |
|---|---|---|
| CritPt | 3.1% | 0% |
| LMArena Hard Prompts | 1484 | 1426 |
| DTBench | 89.9% | 75.5% |
| LMCA | 46.5% | 26.1% |
| ARC-AGI-2 | 60.4% | — |
| Kagi LLM Benchmark | — | 50% |
| NYT Connections (extended) | 80.9% | — |
| ARC-AGI-1 | 86.5% | — |
| Chess Puzzles | 13% | — |
| Thematic Generalization | 76.3% | — |
| Mystery Game Puzzles | 16% | — |
| Surface Evolver Bench | — | 26.9% |
| Epoch Capabilities Index | 152.24 | — |
| ForecastBench | 62 | — |

## Math

- Claude Sonnet 4.6: 52.9 (#49)
- Mistral Medium: 28.1 (#245)

| Benchmark | Claude Sonnet 4.6 | Mistral Medium |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 85.8% | 32.2% |
| ProofBench | 45% | 9% |
| LMArena Math | 1462 | 1408 |
| FrontierMath (Feb 2025 set) | 32.4% | 0.3% |
| MATH Level 5 | — | 81.6% |
| FrontierMath Tier 4 (v1) | 8.3% | — |

## Knowledge

- Claude Sonnet 4.6: 51.7 (#65)
- Mistral Medium: 25.0 (#265)

| Benchmark | Claude Sonnet 4.6 | Mistral Medium |
|---|---|---|
| GPQA Diamond | 87.4% | 59.5% |
| Vectara Hallucination Rate | 10.6% | 22.7% |
| LMArena Expert | 1500 | 1408 |
| Humanity's Last Exam | — | 4.5% |
| SimpleQA Verified | 35.5% | — |

## Multimodal

- Claude Sonnet 4.6: 38.0 (#68)
- Mistral Medium: 35.3 (#88)

| Benchmark | Claude Sonnet 4.6 | Mistral Medium |
|---|---|---|
| LMArena Vision | 1283 | 1172 |
| Blueprint-Bench 2 | 6.7% | — |
| LMArena Document | 1482 | — |

## Multilingual

- Claude Sonnet 4.6: 54.4 (#41)
- Mistral Medium: 52.1 (#91)

| Benchmark | Claude Sonnet 4.6 | Mistral Medium |
|---|---|---|
| LMArena Non-English | 1440 | 1408 |
| LMArena Chinese | 1491 | 1447 |
| LMArena French | 1465 | 1459 |
| LMArena German | 1428 | 1432 |
| LMArena Japanese | 1420 | 1378 |
| LMArena Korean | 1411 | 1380 |
| LMArena Russian | 1440 | 1411 |
| LMArena Spanish | 1464 | 1433 |

## Instruction Following

- Claude Sonnet 4.6: 77.4 (#25)
- Mistral Medium: 73.7 (#116)

| Benchmark | Claude Sonnet 4.6 | Mistral Medium |
|---|---|---|
| LMArena Instruction Following | 1475 | 1398 |

## Long Context

- Claude Sonnet 4.6: 45.3 (#44)
- Mistral Medium: 42.9 (#114)

| Benchmark | Claude Sonnet 4.6 | Mistral Medium |
|---|---|---|
| LMArena Longer Query | 1479 | 1406 |

## Writing & Preference

- Claude Sonnet 4.6: 70.2 (#22)
- Mistral Medium: 60.0 (#103)

| Benchmark | Claude Sonnet 4.6 | Mistral Medium |
|---|---|---|
| LMArena Text | 1458 | 1424 |
| LMArena Creative Writing | 1435 | 1391 |
| LMArena Multi-Turn | 1464 | 1418 |
| Short-Story Creative Writing | — | 77.3% |
| EQ-Bench Creative Writing | 1810 | — |
| EQ-Bench 4 | 1207 | — |

## FAQ

### Is Claude Sonnet 4.6 better than Mistral Medium?

Claude Sonnet 4.6 is the stronger model overall, scoring 50.3 to 36.3 on the Noometry Index. Mistral Medium costs 2.0× less per token, which makes it the better buy when Claude Sonnet 4.6's lead doesn't matter for your workload.

### Which is cheaper, Claude Sonnet 4.6 or Mistral Medium?

Mistral Medium is cheaper. It lists at $1.50 per million input tokens and $7.50 per million output tokens; Claude Sonnet 4.6 lists at $3 and $15.

### Is Claude Sonnet 4.6 or Mistral Medium better for coding?

Claude Sonnet 4.6 scores higher on coding benchmarks: 46.3 versus 34.2 in the Noometry coding category.

### Which has the bigger context window?

Claude Sonnet 4.6 does, with 1M tokens against 262K.

### How many benchmarks do Claude Sonnet 4.6 and Mistral Medium share?

30 benchmarks have published results for both models. Claude Sonnet 4.6 has 57 scored results on Noometry and Mistral Medium has 36.