Model comparison
Claude 3.7 Sonnet vs o3-pro
o3-pro is the stronger model overall, scoring 42.9 to 39.5 on the Noometry Index.
Last verified . 7 shared benchmarks.
Summary
- They share 7 benchmarks with published results for both. Claude 3.7 Sonnet scores higher in 1 category and o3-pro in 4 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in long context, where o3-pro leads 72.2 to 50.3.
- The biggest single-benchmark swing is ARC-AGI-1: 28.6% for Claude 3.7 Sonnet and 59.3% for o3-pro.
Side by side
| Claude 3.7 Sonnet | o3-pro | |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Noometry Index | 39.5 | 42.9 |
| Released | 2025-02-24 | 2025-06-10 |
| Weights | Proprietary | Proprietary |
| Context window | — | 200K |
| Max output | — | 100K |
| Input $ / M tokens | — | $20 |
| Output $ / M tokens | — | $80 |
| Results tracked | 58 | 12 |
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Category by category
Coding o3-pro leads
Claude 3.7 Sonnet: 40.6 (#136), o3-pro: 55.5 (#24)
| Benchmark | Claude 3.7 Sonnet | o3-pro |
|---|---|---|
| Aider Polyglot | 64.9% | 84.9% |
| SWE-bench Verified | 61% | — |
| SWE-bench Verified (bash only) | 52.8% | — |
| GSO | 3.8% | — |
| WeirdML | — | 58.2% |
| LiveBench Coding | 74.5% | — |
| LMArena Coding | 1361 | — |
| CadEval | 54% | — |
Agentic & Tool Use Not comparable
Claude 3.7 Sonnet: 34.1 (#50), o3-pro: —
| Benchmark | Claude 3.7 Sonnet | o3-pro |
|---|---|---|
| TheAgentCompany | 30.9% | — |
| Cybench | 20% | — |
| DeepResearch Bench | 43.6% | — |
| OSWorld | 35.8% | — |
| METR Time Horizons | 60% | — |
Reasoning o3-pro leads
Claude 3.7 Sonnet: 18.6 (#277), o3-pro: 23.8 (#171)
| Benchmark | Claude 3.7 Sonnet | o3-pro |
|---|---|---|
| ARC-AGI-2 | 0.9% | 4.9% |
| ARC-AGI-1 | 28.6% | 59.3% |
| Epoch Capabilities Index | 141.16 | 147.42 |
| SimpleBench | 46.4% | — |
| Kagi LLM Benchmark | — | 72.1% |
| EnigmaEval | 4.2% | — |
| LiveBench Reasoning | 87.8% | — |
| LMArena Hard Prompts | 1333 | — |
| DTBench | — | 86.9% |
| LiveBench Data Analysis | 74% | — |
| LMCA | — | 38.5% |
| ForecastBench | 61.8 | — |
| LiveBench | 76.1% | — |
Math Not comparable
Claude 3.7 Sonnet: 37.5 (#153), o3-pro: —
| Benchmark | Claude 3.7 Sonnet | o3-pro |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 57.8% | — |
| Omni-MATH | 33% | — |
| LiveBench Math | 79% | — |
| LMArena Math | 1337 | — |
| MATH Level 5 | 91.2% | — |
| FrontierMath (Feb 2025 set) | 4.1% | — |
Knowledge Claude 3.7 Sonnet leads
Claude 3.7 Sonnet: 39.8 (#130), o3-pro: 29.5 (#238)
| Benchmark | Claude 3.7 Sonnet | o3-pro |
|---|---|---|
| Confabulations | 14.7% | 14.2% |
| GPQA Diamond | 79.7% | — |
| Humanity's Last Exam | 8% | — |
| MMLU-Pro | 78.4% | — |
| Vectara Hallucination Rate | — | 23.3% |
| GPQA (HELM) | 60.8% | — |
| LMArena Expert | 1321 | — |
Multimodal Not comparable
Claude 3.7 Sonnet: 33.7 (#95), o3-pro: —
| Benchmark | Claude 3.7 Sonnet | o3-pro |
|---|---|---|
| LMArena Vision | 1169 | — |
| GeoBench | 68% | — |
| VPCT | 39% | — |
| SpatialViz-Bench | 33.9% | — |
Multilingual Not comparable
Claude 3.7 Sonnet: 44.1 (#179), o3-pro: —
| Benchmark | Claude 3.7 Sonnet | o3-pro |
|---|---|---|
| LMArena Non-English | 1296 | — |
| LMArena Chinese | 1299 | — |
| LMArena French | 1303 | — |
| LMArena German | 1301 | — |
| LMArena Japanese | 1267 | — |
| LMArena Korean | 1249 | — |
| LMArena Russian | 1311 | — |
| LMArena Spanish | 1298 | — |
Instruction Following Not comparable
Claude 3.7 Sonnet: 72.9 (#125), o3-pro: —
| Benchmark | Claude 3.7 Sonnet | o3-pro |
|---|---|---|
| LiveBench Instruction Following | 81.3% | — |
| IFEval | 83.4% | — |
| LMArena Instruction Following | 1352 | — |
Long Context o3-pro leads
Claude 3.7 Sonnet: 50.3 (#10), o3-pro: 72.2 (#1)
| Benchmark | Claude 3.7 Sonnet | o3-pro |
|---|---|---|
| Fiction.LiveBench | 83.3% | 97.2% |
| LMArena Longer Query | 1373 | — |
Writing & Preference o3-pro leads
Claude 3.7 Sonnet: 54.4 (#150), o3-pro: 57.1 (#133)
| Benchmark | Claude 3.7 Sonnet | o3-pro |
|---|---|---|
| Short-Story Creative Writing | 81.1% | 84.4% |
| LMArena Text | 1314 | — |
| LMArena Creative Writing | 1332 | — |
| EQ-Bench Creative Writing | 1412 | — |
| WildBench | 81.4% | — |
| LMArena Multi-Turn | 1339 | — |
| LiveBench Language | 59.9% | — |
Frequently asked questions
Is Claude 3.7 Sonnet better than o3-pro?
o3-pro is the stronger model overall, scoring 42.9 to 39.5 on the Noometry Index.
Is Claude 3.7 Sonnet or o3-pro better for coding?
o3-pro scores higher on coding benchmarks: 55.5 versus 40.6 in the Noometry coding category.
How many benchmarks do Claude 3.7 Sonnet and o3-pro share?
7 benchmarks have published results for both models. Claude 3.7 Sonnet has 58 scored results on Noometry and o3-pro has 12.