Model comparison
Claude 3.5 Sonnet vs Mistral Medium 3.5
Mistral Medium 3.5 is the stronger model overall, scoring 40.2 to 34.6 on the Noometry Index.
Last verified . 18 shared benchmarks.
Mistral AISummary
- They share 18 benchmarks with published results for both. Claude 3.5 Sonnet scores higher in 2 categories and Mistral Medium 3.5 in 7 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where Mistral Medium 3.5 leads 39.1 to 19.2.
- Mistral Medium 3.5 has downloadable open weights; the other is API-only.
Side by side
| Claude 3.5 Sonnet | Mistral Medium 3.5 | |
|---|---|---|
| Provider | Anthropic | Mistral AI |
| Noometry Index | 34.6 | 40.2 |
| Released | 2024-06-20 | — |
| Weights | Proprietary | Open |
| Context window | — | 262K |
| Max output | — | 210K |
| Input $ / M tokens | — | $1.50 |
| Output $ / M tokens | — | $7.50 |
| Results tracked | 60 | 22 |
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Category by category
Coding Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 39.0 (#165), Mistral Medium 3.5: 36.0 (#213)
| Benchmark | Claude 3.5 Sonnet | Mistral Medium 3.5 |
|---|---|---|
| LMArena Coding | 1342 | 1461 |
| Aider Polyglot | 51.6% | — |
| LMArena WebDev | — | 1264 |
| GSO | 4.6% | — |
| WeirdML | 40% | — |
| BigCodeBench Instruct | 46.8% | — |
| LiveBench Coding | 67.1% | — |
| BigCodeBench Complete | 58.6% | — |
| CadEval | 48% | — |
| HumanEval+ | 81.7% | — |
| MBPP+ | 74.3% | — |
Agentic & Tool Use Not comparable
Claude 3.5 Sonnet: 32.3 (#67), Mistral Medium 3.5: —
| Benchmark | Claude 3.5 Sonnet | Mistral Medium 3.5 |
|---|---|---|
| TheAgentCompany | 24% | — |
| Cybench | 17.5% | — |
| BALROG | 32.6% | — |
| METR Time Horizons | 45.2% | — |
Reasoning Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 23.1 (#183), Mistral Medium 3.5: 17.3 (#295)
| Benchmark | Claude 3.5 Sonnet | Mistral Medium 3.5 |
|---|---|---|
| LMArena Hard Prompts | 1305 | 1436 |
| Epoch Capabilities Index | 133.55 | 141.35 |
| SimpleBench | 41.4% | — |
| Kagi LLM Benchmark | — | 41.4% |
| NYT Connections (extended) | — | 12.9% |
| EnigmaEval | 0.9% | — |
| LiveBench Reasoning | 56.7% | — |
| DTBench | 67.8% | — |
| LiveBench Data Analysis | 55% | — |
| ForecastBench | 60.7 | — |
| LiveBench | 59% | — |
Math Mistral Medium 3.5 leads
Claude 3.5 Sonnet: 19.2 (#288), Mistral Medium 3.5: 39.1 (#113)
| Benchmark | Claude 3.5 Sonnet | Mistral Medium 3.5 |
|---|---|---|
| LMArena Math | 1307 | 1431 |
| OTIS Mock AIME 2024-2025 | 8.5% | — |
| Omni-MATH | 27.6% | — |
| LiveBench Math | 52.3% | — |
| MATH Level 5 | 56.9% | — |
| FrontierMath (Feb 2025 set) | 2.1% | — |
| FrontierMath Tier 4 (v1) | 0% | — |
Knowledge Mistral Medium 3.5 leads
Claude 3.5 Sonnet: 28.6 (#245), Mistral Medium 3.5: 40.0 (#126)
| Benchmark | Claude 3.5 Sonnet | Mistral Medium 3.5 |
|---|---|---|
| LMArena Expert | 1265 | 1432 |
| GPQA Diamond | 55.3% | — |
| Humanity's Last Exam | 4.1% | — |
| MMLU-Pro | 77.7% | — |
| Confabulations | 19.9% | — |
| GPQA (HELM) | 56.5% | — |
| MMLU | 87.3% | — |
Multimodal Mistral Medium 3.5 leads
Claude 3.5 Sonnet: 26.5 (#120), Mistral Medium 3.5: 38.3 (#65)
| Benchmark | Claude 3.5 Sonnet | Mistral Medium 3.5 |
|---|---|---|
| LMArena Vision | 1125 | 1223 |
| Video-MME | 60% | — |
| GeoBench | 62% | — |
| VPCT | 33% | — |
Multilingual Mistral Medium 3.5 leads
Claude 3.5 Sonnet: 43.2 (#185), Mistral Medium 3.5: 51.9 (#100)
| Benchmark | Claude 3.5 Sonnet | Mistral Medium 3.5 |
|---|---|---|
| LMArena Non-English | 1283 | 1404 |
| LMArena Chinese | 1272 | 1442 |
| LMArena French | 1305 | 1448 |
| LMArena German | 1297 | 1451 |
| LMArena Korean | 1200 | 1385 |
| LMArena Russian | 1306 | 1395 |
| LMArena Spanish | 1290 | 1409 |
| LMArena Japanese | 1234 | — |
Instruction Following Mistral Medium 3.5 leads
Claude 3.5 Sonnet: 68.8 (#182), Mistral Medium 3.5: 74.6 (#90)
| Benchmark | Claude 3.5 Sonnet | Mistral Medium 3.5 |
|---|---|---|
| LMArena Instruction Following | 1297 | 1415 |
| LiveBench Instruction Following | 69.3% | — |
| IFEval | 85.5% | — |
Long Context Mistral Medium 3.5 leads
Claude 3.5 Sonnet: 39.9 (#167), Mistral Medium 3.5: 43.2 (#103)
| Benchmark | Claude 3.5 Sonnet | Mistral Medium 3.5 |
|---|---|---|
| LMArena Longer Query | 1311 | 1415 |
Writing & Preference Mistral Medium 3.5 leads
Claude 3.5 Sonnet: 52.9 (#164), Mistral Medium 3.5: 58.5 (#117)
| Benchmark | Claude 3.5 Sonnet | Mistral Medium 3.5 |
|---|---|---|
| LMArena Text | 1298 | 1421 |
| LMArena Creative Writing | 1292 | 1374 |
| LMArena Multi-Turn | 1326 | 1423 |
| Short-Story Creative Writing | 80.3% | — |
| EQ-Bench Creative Writing | 1451 | — |
| WildBench | 79.2% | — |
| EQ-Bench 4 | — | 993 |
| LiveBench Language | 53.8% | — |
Frequently asked questions
Is Claude 3.5 Sonnet better than Mistral Medium 3.5?
Mistral Medium 3.5 is the stronger model overall, scoring 40.2 to 34.6 on the Noometry Index.
Is Claude 3.5 Sonnet or Mistral Medium 3.5 better for coding?
Claude 3.5 Sonnet scores higher on coding benchmarks: 39.0 versus 36.0 in the Noometry coding category.
How many benchmarks do Claude 3.5 Sonnet and Mistral Medium 3.5 share?
18 benchmarks have published results for both models. Claude 3.5 Sonnet has 60 scored results on Noometry and Mistral Medium 3.5 has 22.