# Claude 3.5 Sonnet vs o1-mini

> Claude 3.5 Sonnet and o1-mini score almost the same on the Noometry Index (34.4 vs 33.7), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/claude-3-5-sonnet-vs-o1-mini
- Last updated: 2026-10-10
- Shared benchmarks: 37

## Summary

- They share 37 benchmarks with published results for both. Claude 3.5 Sonnet scores higher in 5 categories and o1-mini in 4 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in math, where o1-mini leads 33.7 to 18.0.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 8.5% for Claude 3.5 Sonnet and 46.9% for o1-mini.

## Snapshot

| | Claude 3.5 Sonnet | o1-mini |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Noometry Index | 34.4 | 33.7 |
| Rank | 225 | 230 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 3.5 Sonnet: 39.5 (#145)
- o1-mini: 35.1 (#218)

| Benchmark | Claude 3.5 Sonnet | o1-mini |
|---|---|---|
| Aider Polyglot | 51.6% | 32.9% |
| WeirdML | 40% | 36.3% |
| LiveBench Coding | 67.1% | 48% |
| LMArena Coding | 1343 | 1362 |
| HumanEval+ | 81.7% | 89% |
| MBPP+ | 74.3% | 78.8% |
| GSO | 4.6% | — |
| BigCodeBench Instruct | 46.8% | — |
| BigCodeBench Complete | 58.6% | — |
| CadEval | 48% | — |

## Agentic & Tool Use

- Claude 3.5 Sonnet: 32.1 (#61)
- o1-mini: 24.3 (#112)

| Benchmark | Claude 3.5 Sonnet | o1-mini |
|---|---|---|
| Cybench | 17.5% | 10% |
| TheAgentCompany | 24% | — |
| BALROG | 32.6% | — |
| METR Time Horizons | 45.2% | — |

## Reasoning

- Claude 3.5 Sonnet: 22.5 (#176)
- o1-mini: 8.9 (#340)

| Benchmark | Claude 3.5 Sonnet | o1-mini |
|---|---|---|
| SimpleBench | 41.4% | 18.1% |
| LiveBench Reasoning | 56.7% | 72.3% |
| LMArena Hard Prompts | 1305 | 1333 |
| LiveBench Data Analysis | 55% | 57.9% |
| Epoch Capabilities Index | 133.55 | 135.82 |
| LiveBench | 59% | 57.8% |
| ARC-AGI-2 | — | 0.8% |
| ARC-AGI-1 | — | 14% |
| EnigmaEval | 0.9% | — |
| DTBench | 67.8% | — |
| ForecastBench | 60.7 | — |

## Math

- Claude 3.5 Sonnet: 18.0 (#282)
- o1-mini: 33.7 (#168)

| Benchmark | Claude 3.5 Sonnet | o1-mini |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 8.5% | 46.9% |
| LiveBench Math | 52.3% | 62% |
| LMArena Math | 1306 | 1358 |
| MATH Level 5 | 56.9% | 89.2% |
| FrontierMath (Feb 2025 set) | 2.1% | 1.7% |
| Omni-MATH | 27.6% | — |
| FrontierMath Tier 4 (v1) | 0% | — |

## Knowledge

- Claude 3.5 Sonnet: 28.5 (#236)
- o1-mini: 34.8 (#180)

| Benchmark | Claude 3.5 Sonnet | o1-mini |
|---|---|---|
| GPQA Diamond | 55.3% | 62.4% |
| Confabulations | 19.9% | 18.6% |
| LMArena Expert | 1264 | 1316 |
| Humanity's Last Exam | 4.1% | — |
| MMLU-Pro | 77.7% | — |
| GPQA (HELM) | 56.5% | — |
| MMLU | 87.3% | — |

## Multimodal

- Claude 3.5 Sonnet: 26.0 (#115)
- o1-mini: —

| Benchmark | Claude 3.5 Sonnet | o1-mini |
|---|---|---|
| LMArena Vision | 1125 | — |
| Video-MME | 60% | — |
| GeoBench | 62% | — |
| VPCT | 33% | — |

## Multilingual

- Claude 3.5 Sonnet: 43.4 (#180)
- o1-mini: 43.8 (#177)

| Benchmark | Claude 3.5 Sonnet | o1-mini |
|---|---|---|
| LMArena Non-English | 1283 | 1289 |
| LMArena Chinese | 1271 | 1314 |
| LMArena French | 1304 | 1292 |
| LMArena German | 1297 | 1278 |
| LMArena Japanese | 1234 | 1245 |
| LMArena Korean | 1200 | 1223 |
| LMArena Russian | 1305 | 1283 |
| LMArena Spanish | 1289 | 1302 |

## Instruction Following

- Claude 3.5 Sonnet: 69.0 (#177)
- o1-mini: 67.0 (#200)

| Benchmark | Claude 3.5 Sonnet | o1-mini |
|---|---|---|
| LiveBench Instruction Following | 69.3% | 65.4% |
| LMArena Instruction Following | 1297 | 1304 |
| IFEval | 85.5% | — |

## Long Context

- Claude 3.5 Sonnet: 39.9 (#162)
- o1-mini: 40.1 (#156)

| Benchmark | Claude 3.5 Sonnet | o1-mini |
|---|---|---|
| LMArena Longer Query | 1311 | 1321 |

## Writing & Preference

- Claude 3.5 Sonnet: 53.0 (#159)
- o1-mini: 48.6 (#196)

| Benchmark | Claude 3.5 Sonnet | o1-mini |
|---|---|---|
| LMArena Text | 1298 | 1317 |
| LMArena Creative Writing | 1292 | 1244 |
| Short-Story Creative Writing | 80.3% | 64.9% |
| LMArena Multi-Turn | 1326 | 1314 |
| LiveBench Language | 53.8% | 40.9% |
| EQ-Bench Creative Writing | 1451 | — |
| WildBench | 79.2% | — |

## FAQ

### Is Claude 3.5 Sonnet better than o1-mini?

Claude 3.5 Sonnet and o1-mini score almost the same on the Noometry Index (34.4 vs 33.7), so choose on price, context window or the category you care about most.

### Is Claude 3.5 Sonnet or o1-mini better for coding?

Claude 3.5 Sonnet scores higher on coding benchmarks: 39.5 versus 35.1 in the Noometry coding category.

### How many benchmarks do Claude 3.5 Sonnet and o1-mini share?

37 benchmarks have published results for both models. Claude 3.5 Sonnet has 60 scored results on Noometry and o1-mini has 39.