Model comparison
Claude Sonnet 4.6 vs o1
Claude Sonnet 4.6 is the stronger model overall, scoring 50.3 to 40.9 on the Noometry Index.
Last verified . 28 shared benchmarks.
Summary
- They share 28 benchmarks with published results for both. Claude Sonnet 4.6 scores higher in 9 categories and o1 in 1 category; 9 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Claude Sonnet 4.6 leads 46.1 to 27.9.
- The biggest single-benchmark swing is ARC-AGI-1: 86.5% for Claude Sonnet 4.6 and 30.7% for o1.
- Claude Sonnet 4.6 is cheaper at $3 / $15 per million input/output tokens, against $15 / $60 for o1.
- Claude Sonnet 4.6 accepts more context: 1M tokens versus 200K.
Side by side
| Claude Sonnet 4.6 | o1 | |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Noometry Index | 50.3 | 40.9 |
| Released | 2026-02-17 | 2024-09-12 |
| Weights | Proprietary | Proprietary |
| Context window | 1M | 200K |
| Max output | 128K | 100K |
| Input $ / M tokens | $3 | $15 |
| Output $ / M tokens | $15 | $60 |
| Results tracked | 57 | 52 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Too close to call
Claude Sonnet 4.6: 46.3 (#67), o1: 46.1 (#70)
| Benchmark | Claude Sonnet 4.6 | o1 |
|---|---|---|
| WeirdML | 66.1% | 47.6% |
| LMArena Coding | 1504 | 1367 |
| SWE-bench Verified | 75.2% | — |
| DeepSWE | 29.9% | — |
| FrontierCode | 24.3% | — |
| Aider Polyglot | — | 61.7% |
| LMArena WebDev | 1522 | — |
| SciCode | 46.8% | — |
| LiveBench Coding | — | 69.7% |
| CadEval | — | 56% |
| ALE-Bench | 1,327 | — |
| HumanEval+ | — | 89% |
| MBPP+ | — | 80.2% |
Agentic & Tool Use Claude Sonnet 4.6 leads
Claude Sonnet 4.6: 39.1 (#28), o1: 24.6 (#117)
| Benchmark | Claude Sonnet 4.6 | o1 |
|---|---|---|
| Terminal-Bench | 53.4% | — |
| APEX-Agents | 43% | — |
| OSWorld 2.0 | 9.3% | — |
| Cybench | — | 10% |
| DeepResearch Bench | 54.9% | — |
| OSWorld | 72.1% | — |
| ExploitBench | 23.6% | — |
| GBAEval | 48.8% | — |
| GDP.pdf | 18% | — |
| LMArena Search | 1221 | — |
| METR Time Horizons | — | 51.1% |
| Vending-Bench 2 | 7,204 | — |
Reasoning Claude Sonnet 4.6 leads
Claude Sonnet 4.6: 46.1 (#45), o1: 27.9 (#111)
| Benchmark | Claude Sonnet 4.6 | o1 |
|---|---|---|
| ARC-AGI-1 | 86.5% | 30.7% |
| Chess Puzzles | 13% | 15% |
| LMArena Hard Prompts | 1484 | 1371 |
| DTBench | 89.9% | 74.7% |
| LMCA | 46.5% | 22.3% |
| Epoch Capabilities Index | 152.24 | 141.91 |
| ARC-AGI-2 | 60.4% | — |
| SimpleBench | — | 41.7% |
| NYT Connections (extended) | 80.9% | — |
| CritPt | 3.1% | — |
| EnigmaEval | — | 5.7% |
| Thematic Generalization | 76.3% | — |
| LiveBench Reasoning | — | 91.6% |
| Mystery Game Puzzles | 16% | — |
| LiveBench Data Analysis | — | 65.5% |
| ForecastBench | 62 | — |
| LiveBench | — | 75.7% |
Math Claude Sonnet 4.6 leads
Claude Sonnet 4.6: 52.9 (#49), o1: 36.1 (#175)
| Benchmark | Claude Sonnet 4.6 | o1 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 85.8% | 73.3% |
| LMArena Math | 1462 | 1388 |
| FrontierMath (Feb 2025 set) | 32.4% | 9.3% |
| FrontierMath (Tiers 1-3) | — | 14.7% |
| ProofBench | 45% | — |
| LiveBench Math | — | 80.3% |
| MATH Level 5 | — | 94.7% |
| FrontierMath Tier 4 (v1) | 8.3% | — |
Knowledge Claude Sonnet 4.6 leads
Claude Sonnet 4.6: 51.7 (#65), o1: 41.5 (#110)
| Benchmark | Claude Sonnet 4.6 | o1 |
|---|---|---|
| GPQA Diamond | 87.4% | 76.8% |
| SimpleQA Verified | 35.5% | 41.1% |
| LMArena Expert | 1500 | 1361 |
| Humanity's Last Exam | — | 8% |
| Confabulations | — | 11.7% |
| Vectara Hallucination Rate | 10.6% | — |
Multimodal Claude Sonnet 4.6 leads
Claude Sonnet 4.6: 38.0 (#68), o1: 34.2 (#93)
| Benchmark | Claude Sonnet 4.6 | o1 |
|---|---|---|
| LMArena Vision | 1283 | 1168 |
| GeoBench | — | 80% |
| VPCT | — | 37% |
| Blueprint-Bench 2 | 6.7% | — |
| LMArena Document | 1482 | — |
| SpatialViz-Bench | — | 41.4% |
Multilingual Claude Sonnet 4.6 leads
Claude Sonnet 4.6: 54.4 (#41), o1: 48.6 (#142)
| Benchmark | Claude Sonnet 4.6 | o1 |
|---|---|---|
| LMArena Non-English | 1440 | 1358 |
| LMArena Chinese | 1491 | 1394 |
| LMArena French | 1465 | 1344 |
| LMArena German | 1428 | 1337 |
| LMArena Japanese | 1420 | 1346 |
| LMArena Korean | 1411 | 1396 |
| LMArena Russian | 1440 | 1356 |
| LMArena Spanish | 1464 | 1345 |
Instruction Following Claude Sonnet 4.6 leads
Claude Sonnet 4.6: 77.4 (#25), o1: 74.8 (#86)
| Benchmark | Claude Sonnet 4.6 | o1 |
|---|---|---|
| LMArena Instruction Following | 1475 | 1367 |
| LiveBench Instruction Following | — | 81.5% |
Long Context o1 leads
Claude Sonnet 4.6: 45.3 (#44), o1: 50.3 (#9)
| Benchmark | Claude Sonnet 4.6 | o1 |
|---|---|---|
| LMArena Longer Query | 1479 | 1378 |
| Fiction.LiveBench | — | 83.3% |
Writing & Preference Claude Sonnet 4.6 leads
Claude Sonnet 4.6: 70.2 (#22), o1: 55.6 (#144)
| Benchmark | Claude Sonnet 4.6 | o1 |
|---|---|---|
| LMArena Text | 1458 | 1366 |
| LMArena Creative Writing | 1435 | 1348 |
| LMArena Multi-Turn | 1464 | 1369 |
| Short-Story Creative Writing | — | 70.2% |
| EQ-Bench Creative Writing | 1810 | — |
| EQ-Bench 4 | 1207 | — |
| LiveBench Language | — | 65.4% |
Frequently asked questions
Is Claude Sonnet 4.6 better than o1?
Claude Sonnet 4.6 is the stronger model overall, scoring 50.3 to 40.9 on the Noometry Index.
Which is cheaper, Claude Sonnet 4.6 or o1?
Claude Sonnet 4.6 is cheaper. It lists at $3 per million input tokens and $15 per million output tokens; o1 lists at $15 and $60.
Is Claude Sonnet 4.6 or o1 better for coding?
They score almost the same on coding (46.3 vs 46.1); test both on your own repository before choosing.
Which has the bigger context window?
Claude Sonnet 4.6 does, with 1M tokens against 200K.
How many benchmarks do Claude Sonnet 4.6 and o1 share?
28 benchmarks have published results for both models. Claude Sonnet 4.6 has 57 scored results on Noometry and o1 has 52.