Model comparison
Claude 3.5 Sonnet vs Claude 3 Sonnet
Claude 3.5 Sonnet is the stronger model overall, scoring 34.6 to 29.0 on the Noometry Index.
Last verified . 29 shared benchmarks.
Summary
- They share 29 benchmarks with published results for both. Claude 3.5 Sonnet scores higher in 9 categories and Claude 3 Sonnet in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Claude 3.5 Sonnet leads 52.9 to 42.1.
- The biggest single-benchmark swing is MATH Level 5: 56.9% for Claude 3.5 Sonnet and 18.2% for Claude 3 Sonnet.
Side by side
| Claude 3.5 Sonnet | Claude 3 Sonnet | |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Noometry Index | 34.6 | 29.0 |
| Released | 2024-06-20 | 2024-02-29 |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 60 | 30 |
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Category by category
Coding Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 39.0 (#165), Claude 3 Sonnet: 29.6 (#302)
| Benchmark | Claude 3.5 Sonnet | Claude 3 Sonnet |
|---|---|---|
| WeirdML | 40% | 10.2% |
| BigCodeBench Instruct | 46.8% | 42.7% |
| LMArena Coding | 1342 | 1223 |
| BigCodeBench Complete | 58.6% | 53.8% |
| HumanEval+ | 81.7% | 64% |
| MBPP+ | 74.3% | 69.3% |
| Aider Polyglot | 51.6% | — |
| GSO | 4.6% | — |
| LiveBench Coding | 67.1% | — |
| CadEval | 48% | — |
Agentic & Tool Use Not comparable
Claude 3.5 Sonnet: 32.3 (#67), Claude 3 Sonnet: —
| Benchmark | Claude 3.5 Sonnet | Claude 3 Sonnet |
|---|---|---|
| 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), Claude 3 Sonnet: 20.5 (#237)
| Benchmark | Claude 3.5 Sonnet | Claude 3 Sonnet |
|---|---|---|
| LMArena Hard Prompts | 1305 | 1197 |
| DTBench | 67.8% | 53.6% |
| Epoch Capabilities Index | 133.55 | 120.7 |
| SimpleBench | 41.4% | — |
| EnigmaEval | 0.9% | — |
| LiveBench Reasoning | 56.7% | — |
| LiveBench Data Analysis | 55% | — |
| ForecastBench | 60.7 | — |
| LiveBench | 59% | — |
| WinoGrande | — | 75.1% |
Math Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 19.2 (#288), Claude 3 Sonnet: 10.7 (#310)
| Benchmark | Claude 3.5 Sonnet | Claude 3 Sonnet |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 8.5% | 2.5% |
| LMArena Math | 1307 | 1213 |
| MATH Level 5 | 56.9% | 18.2% |
| Omni-MATH | 27.6% | — |
| LiveBench Math | 52.3% | — |
| FrontierMath (Feb 2025 set) | 2.1% | — |
| FrontierMath Tier 4 (v1) | 0% | — |
Knowledge Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 28.6 (#245), Claude 3 Sonnet: 21.1 (#276)
| Benchmark | Claude 3.5 Sonnet | Claude 3 Sonnet |
|---|---|---|
| GPQA Diamond | 55.3% | 40.6% |
| LMArena Expert | 1265 | 1173 |
| MMLU | 87.3% | 75.9% |
| Humanity's Last Exam | 4.1% | — |
| MMLU-Pro | 77.7% | — |
| Confabulations | 19.9% | — |
| GPQA (HELM) | 56.5% | — |
Multimodal Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 26.5 (#120), Claude 3 Sonnet: 25.2 (#125)
| Benchmark | Claude 3.5 Sonnet | Claude 3 Sonnet |
|---|---|---|
| LMArena Vision | 1125 | 984 |
| Video-MME | 60% | — |
| GeoBench | 62% | — |
| VPCT | 33% | — |
Multilingual Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 43.2 (#185), Claude 3 Sonnet: 37.8 (#234)
| Benchmark | Claude 3.5 Sonnet | Claude 3 Sonnet |
|---|---|---|
| LMArena Non-English | 1283 | 1205 |
| LMArena Chinese | 1272 | 1189 |
| LMArena French | 1305 | 1229 |
| LMArena German | 1297 | 1204 |
| LMArena Japanese | 1234 | 1131 |
| LMArena Korean | 1200 | 1128 |
| LMArena Russian | 1306 | 1227 |
| LMArena Spanish | 1290 | 1204 |
Instruction Following Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 68.8 (#182), Claude 3 Sonnet: 62.8 (#235)
| Benchmark | Claude 3.5 Sonnet | Claude 3 Sonnet |
|---|---|---|
| LMArena Instruction Following | 1297 | 1199 |
| LiveBench Instruction Following | 69.3% | — |
| IFEval | 85.5% | — |
Long Context Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 39.9 (#167), Claude 3 Sonnet: 36.7 (#228)
| Benchmark | Claude 3.5 Sonnet | Claude 3 Sonnet |
|---|---|---|
| LMArena Longer Query | 1311 | 1211 |
Writing & Preference Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 52.9 (#164), Claude 3 Sonnet: 42.1 (#238)
| Benchmark | Claude 3.5 Sonnet | Claude 3 Sonnet |
|---|---|---|
| LMArena Text | 1298 | 1218 |
| LMArena Creative Writing | 1292 | 1186 |
| LMArena Multi-Turn | 1326 | 1227 |
| Short-Story Creative Writing | 80.3% | — |
| EQ-Bench Creative Writing | 1451 | — |
| WildBench | 79.2% | — |
| LiveBench Language | 53.8% | — |
Frequently asked questions
Is Claude 3.5 Sonnet better than Claude 3 Sonnet?
Claude 3.5 Sonnet is the stronger model overall, scoring 34.6 to 29.0 on the Noometry Index.
Is Claude 3.5 Sonnet or Claude 3 Sonnet better for coding?
Claude 3.5 Sonnet scores higher on coding benchmarks: 39.0 versus 29.6 in the Noometry coding category.
How many benchmarks do Claude 3.5 Sonnet and Claude 3 Sonnet share?
29 benchmarks have published results for both models. Claude 3.5 Sonnet has 60 scored results on Noometry and Claude 3 Sonnet has 30.