Model comparison
Claude Sonnet 4 vs o1-mini
Claude Sonnet 4 is the stronger model overall, scoring 40.8 to 34.0 on the Noometry Index.
Last verified . 30 shared benchmarks.
Summary
- They share 30 benchmarks with published results for both. Claude Sonnet 4 scores higher in 8 categories and o1-mini in 1 category; 9 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Claude Sonnet 4 leads 22.9 to 8.8.
- The biggest single-benchmark swing is Aider Polyglot: 61.3% for Claude Sonnet 4 and 32.9% for o1-mini.
Side by side
| Claude Sonnet 4 | o1-mini | |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Noometry Index | 40.8 | 34.0 |
| Released | 2025-05-22 | 2024-09-12 |
| Weights | Proprietary | Proprietary |
| Context window | 200K | — |
| Max output | 64K | — |
| Input $ / M tokens | $3 | — |
| Output $ / M tokens | $15 | — |
| Results tracked | 58 | 39 |
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Category by category
Coding Claude Sonnet 4 leads
Claude Sonnet 4: 43.5 (#88), o1-mini: 35.5 (#224)
| Benchmark | Claude Sonnet 4 | o1-mini |
|---|---|---|
| Aider Polyglot | 61.3% | 32.9% |
| WeirdML | 46.1% | 36.3% |
| LMArena Coding | 1414 | 1362 |
| SWE-bench Verified (bash only) | 64.9% | — |
| SciCode | 40% | — |
| GSO | 4.9% | — |
| LiveBench Coding | — | 48% |
| ALE-Bench | 655.35 | — |
| HumanEval+ | — | 89% |
| MBPP+ | — | 78.8% |
Agentic & Tool Use Claude Sonnet 4 leads
Claude Sonnet 4: 38.5 (#31), o1-mini: 24.6 (#118)
| Benchmark | Claude Sonnet 4 | o1-mini |
|---|---|---|
| Cybench | 35% | 10% |
| TheAgentCompany | 33.1% | — |
| DeepResearch Bench | 46.6% | — |
| OSWorld | 43.9% | — |
| METR Time Horizons | 62% | — |
Reasoning Claude Sonnet 4 leads
Claude Sonnet 4: 22.9 (#187), o1-mini: 8.8 (#346)
| Benchmark | Claude Sonnet 4 | o1-mini |
|---|---|---|
| ARC-AGI-2 | 5.9% | 0.8% |
| SimpleBench | 45.5% | 18.1% |
| ARC-AGI-1 | 40% | 14% |
| LMArena Hard Prompts | 1372 | 1333 |
| Epoch Capabilities Index | 141.69 | 135.82 |
| Kagi LLM Benchmark | 73% | — |
| CritPt | 0.3% | — |
| EnigmaEval | 3.1% | — |
| LiveBench Reasoning | — | 72.3% |
| DTBench | 77.1% | — |
| LiveBench Data Analysis | — | 57.9% |
| LMCA | 29% | — |
| ForecastBench | 60.2 | — |
| LiveBench | — | 57.8% |
Math Claude Sonnet 4 leads
Claude Sonnet 4: 43.3 (#80), o1-mini: 35.4 (#186)
| Benchmark | Claude Sonnet 4 | o1-mini |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 71.1% | 46.9% |
| LMArena Math | 1375 | 1358 |
| MATH Level 5 | 84.4% | 89.2% |
| FrontierMath (Feb 2025 set) | 4.1% | 1.7% |
| Omni-MATH | 60.2% | — |
| LiveBench Math | — | 62% |
| FrontierMath Tier 4 (v1) | 0% | — |
Knowledge Claude Sonnet 4 leads
Claude Sonnet 4: 41.8 (#108), o1-mini: 34.9 (#192)
| Benchmark | Claude Sonnet 4 | o1-mini |
|---|---|---|
| GPQA Diamond | 79.2% | 62.4% |
| Confabulations | 13.2% | 18.6% |
| LMArena Expert | 1372 | 1316 |
| Humanity's Last Exam | 7.8% | — |
| MMLU-Pro | 84.3% | — |
| Vectara Hallucination Rate | 10.3% | — |
| GPQA (HELM) | 70.6% | — |
Multimodal Not comparable
Claude Sonnet 4: 26.2 (#121), o1-mini: —
| Benchmark | Claude Sonnet 4 | o1-mini |
|---|---|---|
| LMArena Vision | 1191 | — |
| GeoBench | 37% | — |
| VPCT | 34% | — |
| MindCube | 44.8% | — |
Multilingual Claude Sonnet 4 leads
Claude Sonnet 4: 46.7 (#156), o1-mini: 43.6 (#182)
| Benchmark | Claude Sonnet 4 | o1-mini |
|---|---|---|
| LMArena Non-English | 1333 | 1289 |
| LMArena Chinese | 1350 | 1314 |
| LMArena French | 1363 | 1293 |
| LMArena German | 1331 | 1278 |
| LMArena Japanese | 1302 | 1245 |
| LMArena Korean | 1291 | 1223 |
| LMArena Russian | 1355 | 1283 |
| LMArena Spanish | 1357 | 1303 |
Instruction Following Claude Sonnet 4 leads
Claude Sonnet 4: 71.7 (#145), o1-mini: 66.7 (#206)
| Benchmark | Claude Sonnet 4 | o1-mini |
|---|---|---|
| LMArena Instruction Following | 1376 | 1304 |
| LiveBench Instruction Following | — | 65.4% |
| IFEval | 84% | — |
Long Context o1-mini leads
Claude Sonnet 4: 33.7 (#259), o1-mini: 40.1 (#161)
| Benchmark | Claude Sonnet 4 | o1-mini |
|---|---|---|
| LMArena Longer Query | 1398 | 1320 |
| Fiction.LiveBench | 46.9% | — |
Writing & Preference Claude Sonnet 4 leads
Claude Sonnet 4: 57.1 (#132), o1-mini: 48.4 (#202)
| Benchmark | Claude Sonnet 4 | o1-mini |
|---|---|---|
| LMArena Text | 1351 | 1317 |
| LMArena Creative Writing | 1345 | 1244 |
| Short-Story Creative Writing | 81.4% | 64.9% |
| LMArena Multi-Turn | 1376 | 1314 |
| EQ-Bench Creative Writing | 1483 | — |
| WildBench | 83.8% | — |
| LiveBench Language | — | 40.9% |
Frequently asked questions
Is Claude Sonnet 4 better than o1-mini?
Claude Sonnet 4 is the stronger model overall, scoring 40.8 to 34.0 on the Noometry Index.
Is Claude Sonnet 4 or o1-mini better for coding?
Claude Sonnet 4 scores higher on coding benchmarks: 43.5 versus 35.5 in the Noometry coding category.
How many benchmarks do Claude Sonnet 4 and o1-mini share?
30 benchmarks have published results for both models. Claude Sonnet 4 has 58 scored results on Noometry and o1-mini has 39.