Model comparison
Claude 3 Sonnet vs Mistral Medium 3.5
Mistral Medium 3.5 is the stronger model overall, scoring 39.6 to 28.8 on the Noometry Index.
Last verified . 18 shared benchmarks.
Summary
- They share 18 benchmarks with published results for both. Claude 3 Sonnet scores higher in 1 category and Mistral Medium 3.5 in 8 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where Mistral Medium 3.5 leads 36.4 to 10.0.
- Mistral Medium 3.5 has downloadable open weights; the other is API-only.
Side by side
| Claude 3 Sonnet | Mistral Medium 3.5 | |
|---|---|---|
| Provider | Anthropic | Mistral AI |
| Noometry Index | 28.8 | 39.6 |
| Released | 2024-02-29 | — |
| Weights | Proprietary | Open |
| Context window | — | 262K |
| Max output | — | 210K |
| Input $ / M tokens | — | $1.50 |
| Output $ / M tokens | — | $7.50 |
| Results tracked | 30 | 22 |
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Category by category
Coding Mistral Medium 3.5 leads
Claude 3 Sonnet: 29.2 (#296), Mistral Medium 3.5: 35.7 (#208)
| Benchmark | Claude 3 Sonnet | Mistral Medium 3.5 |
|---|---|---|
| LMArena Coding | 1223 | 1461 |
| LMArena WebDev | — | 1263 |
| WeirdML | 10.2% | — |
| BigCodeBench Instruct | 42.7% | — |
| BigCodeBench Complete | 53.8% | — |
| HumanEval+ | 64% | — |
| MBPP+ | 69.3% | — |
Reasoning Claude 3 Sonnet leads
Claude 3 Sonnet: 19.7 (#232), Mistral Medium 3.5: 16.6 (#290)
| Benchmark | Claude 3 Sonnet | Mistral Medium 3.5 |
|---|---|---|
| LMArena Hard Prompts | 1197 | 1436 |
| Epoch Capabilities Index | 120.69 | 141.42 |
| Kagi LLM Benchmark | — | 41.4% |
| NYT Connections (extended) | — | 12.9% |
| DTBench | 53.6% | — |
| WinoGrande | 75.1% | — |
Math Mistral Medium 3.5 leads
Claude 3 Sonnet: 10.0 (#305), Mistral Medium 3.5: 36.4 (#113)
| Benchmark | Claude 3 Sonnet | Mistral Medium 3.5 |
|---|---|---|
| LMArena Math | 1213 | 1432 |
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| MATH Level 5 | 18.2% | — |
Knowledge Mistral Medium 3.5 leads
Claude 3 Sonnet: 21.1 (#271), Mistral Medium 3.5: 39.3 (#123)
| Benchmark | Claude 3 Sonnet | Mistral Medium 3.5 |
|---|---|---|
| LMArena Expert | 1173 | 1431 |
| GPQA Diamond | 40.6% | — |
| MMLU | 75.9% | — |
Multimodal Mistral Medium 3.5 leads
Claude 3 Sonnet: 24.7 (#120), Mistral Medium 3.5: 37.6 (#64)
| Benchmark | Claude 3 Sonnet | Mistral Medium 3.5 |
|---|---|---|
| LMArena Vision | 984 | 1222 |
Multilingual Mistral Medium 3.5 leads
Claude 3 Sonnet: 38.0 (#229), Mistral Medium 3.5: 52.1 (#93)
| Benchmark | Claude 3 Sonnet | Mistral Medium 3.5 |
|---|---|---|
| LMArena Non-English | 1205 | 1405 |
| LMArena Chinese | 1188 | 1443 |
| LMArena French | 1228 | 1448 |
| LMArena German | 1204 | 1453 |
| LMArena Korean | 1128 | 1387 |
| LMArena Russian | 1227 | 1396 |
| LMArena Spanish | 1204 | 1406 |
| LMArena Japanese | 1131 | — |
Instruction Following Mistral Medium 3.5 leads
Claude 3 Sonnet: 63.1 (#230), Mistral Medium 3.5: 74.7 (#87)
| Benchmark | Claude 3 Sonnet | Mistral Medium 3.5 |
|---|---|---|
| LMArena Instruction Following | 1200 | 1414 |
Long Context Mistral Medium 3.5 leads
Claude 3 Sonnet: 36.7 (#223), Mistral Medium 3.5: 43.2 (#101)
| Benchmark | Claude 3 Sonnet | Mistral Medium 3.5 |
|---|---|---|
| LMArena Longer Query | 1211 | 1414 |
Writing & Preference Mistral Medium 3.5 leads
Claude 3 Sonnet: 42.3 (#233), Mistral Medium 3.5: 58.6 (#113)
| Benchmark | Claude 3 Sonnet | Mistral Medium 3.5 |
|---|---|---|
| LMArena Text | 1218 | 1421 |
| LMArena Creative Writing | 1186 | 1372 |
| LMArena Multi-Turn | 1227 | 1423 |
| EQ-Bench 4 | — | 993 |
Frequently asked questions
Is Claude 3 Sonnet better than Mistral Medium 3.5?
Mistral Medium 3.5 is the stronger model overall, scoring 39.6 to 28.8 on the Noometry Index.
Is Claude 3 Sonnet or Mistral Medium 3.5 better for coding?
Mistral Medium 3.5 scores higher on coding benchmarks: 35.7 versus 29.2 in the Noometry coding category.
How many benchmarks do Claude 3 Sonnet and Mistral Medium 3.5 share?
18 benchmarks have published results for both models. Claude 3 Sonnet has 30 scored results on Noometry and Mistral Medium 3.5 has 22.