# Claude Opus 4.6 vs o1-mini

> Claude Opus 4.6 is the stronger model overall, scoring 58.3 to 33.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-opus-4-6-vs-o1-mini
- Last updated: 2026-10-10
- Shared benchmarks: 26

## Summary

- They share 26 benchmarks with published results for both. Claude Opus 4.6 scores higher in 9 categories and o1-mini in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Claude Opus 4.6 leads 57.7 to 8.9.
- The biggest single-benchmark swing is Cybench: 93% for Claude Opus 4.6 and 10% for o1-mini.

## Snapshot

| | Claude Opus 4.6 | o1-mini |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Noometry Index | 58.3 | 33.7 |
| Rank | 18 | 230 |
| Context | 1M | — |
| Input $/M | $5 | — |
| Output $/M | $25 | — |
| Weights | Proprietary | Proprietary |

## Coding

- Claude Opus 4.6: 57.7 (#15)
- o1-mini: 35.1 (#218)

| Benchmark | Claude Opus 4.6 | o1-mini |
|---|---|---|
| WeirdML | 78% | 36.3% |
| LMArena Coding | 1535 | 1362 |
| SWE-bench Verified | 78.7% | — |
| FrontierCode | 26.6% | — |
| SWE-bench Verified (bash only) | 75.6% | — |
| Aider Polyglot | — | 32.9% |
| LMArena WebDev | 1546 | — |
| SWE-bench Multilingual | 72% | — |
| GSO | 41.2% | — |
| LiveBench Coding | — | 48% |
| ALE-Bench | 996.5 | — |
| AlgoTune | 1.47 | — |
| HumanEval+ | — | 89% |
| MBPP+ | — | 78.8% |

## Agentic & Tool Use

- Claude Opus 4.6: 51.0 (#4)
- o1-mini: 24.3 (#112)

| Benchmark | Claude Opus 4.6 | o1-mini |
|---|---|---|
| Cybench | 93% | 10% |
| Terminal-Bench | 79.8% | — |
| APEX-Agents | 46.3% | — |
| Remote Labor Index | 4.2% | — |
| τ²-bench Banking | 27.3% | — |
| DeepResearch Bench | 55.3% | — |
| GBAEval | 44.1% | — |
| LMArena Search | 1253 | — |
| METR Time Horizons | 78.9% | — |
| Vending-Bench 2 | 8,018 | — |

## Reasoning

- Claude Opus 4.6: 57.7 (#21)
- o1-mini: 8.9 (#340)

| Benchmark | Claude Opus 4.6 | o1-mini |
|---|---|---|
| ARC-AGI-2 | 69.2% | 0.8% |
| SimpleBench | 67.6% | 18.1% |
| ARC-AGI-1 | 94% | 14% |
| LMArena Hard Prompts | 1527 | 1333 |
| Epoch Capabilities Index | 155.36 | 135.82 |
| Kagi LLM Benchmark | 83.6% | — |
| NYT Connections (extended) | 92.1% | — |
| Chess Puzzles | 17% | — |
| EnigmaEval | 7.6% | — |
| Thematic Generalization | 80.6% | — |
| EBR-Bench | 12.7% | — |
| LiveBench Reasoning | — | 72.3% |
| Mystery Game Puzzles | 25% | — |
| DTBench | 91.2% | — |
| LiveBench Data Analysis | — | 57.9% |
| LMCA | 55.8% | — |
| ForecastBench | 60 | — |
| LiveBench | — | 57.8% |

## Math

- Claude Opus 4.6: 62.7 (#25)
- o1-mini: 33.7 (#168)

| Benchmark | Claude Opus 4.6 | o1-mini |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 94.4% | 46.9% |
| LMArena Math | 1517 | 1358 |
| FrontierMath (Feb 2025 set) | 40.7% | 1.7% |
| FrontierMath (Tiers 1-3) | 66% | — |
| FrontierMath Tier 4 | 26.8% | — |
| MathArena Final-Answer Competitions | 78.5% | — |
| ProofBench | 50% | — |
| LiveBench Math | — | 62% |
| MATH Level 5 | — | 89.2% |
| FrontierMath Tier 4 (v1) | 22.9% | — |

## Knowledge

- Claude Opus 4.6: 61.8 (#23)
- o1-mini: 34.8 (#180)

| Benchmark | Claude Opus 4.6 | o1-mini |
|---|---|---|
| GPQA Diamond | 90.5% | 62.4% |
| LMArena Expert | 1546 | 1316 |
| Humanity's Last Exam | 34.4% | — |
| SimpleQA Verified | 47% | — |
| Confabulations | — | 18.6% |
| Vectara Hallucination Rate | 12.2% | — |

## Multimodal

- Claude Opus 4.6: 37.0 (#67)
- o1-mini: —

| Benchmark | Claude Opus 4.6 | o1-mini |
|---|---|---|
| LMArena Vision | 1316 | — |
| Furniture Assembly | 28.3% | — |
| LMArena Document | 1507 | — |

## Multilingual

- Claude Opus 4.6: 58.2 (#4)
- o1-mini: 43.8 (#177)

| Benchmark | Claude Opus 4.6 | o1-mini |
|---|---|---|
| LMArena Non-English | 1490 | 1289 |
| LMArena Chinese | 1551 | 1314 |
| LMArena French | 1513 | 1292 |
| LMArena German | 1504 | 1278 |
| LMArena Japanese | 1484 | 1245 |
| LMArena Korean | 1465 | 1223 |
| LMArena Russian | 1497 | 1283 |
| LMArena Spanish | 1512 | 1302 |

## Instruction Following

- Claude Opus 4.6: 79.7 (#3)
- o1-mini: 67.0 (#200)

| Benchmark | Claude Opus 4.6 | o1-mini |
|---|---|---|
| LMArena Instruction Following | 1523 | 1304 |
| LiveBench Instruction Following | — | 65.4% |

## Long Context

- Claude Opus 4.6: 48.1 (#13)
- o1-mini: 40.1 (#156)

| Benchmark | Claude Opus 4.6 | o1-mini |
|---|---|---|
| LMArena Longer Query | 1520 | 1321 |
| CL-bench | 20.7% | — |
| CL-bench Life | 17% | — |

## Writing & Preference

- Claude Opus 4.6: 73.7 (#9)
- o1-mini: 48.6 (#196)

| Benchmark | Claude Opus 4.6 | o1-mini |
|---|---|---|
| LMArena Text | 1504 | 1317 |
| LMArena Creative Writing | 1506 | 1244 |
| LMArena Multi-Turn | 1514 | 1314 |
| Short-Story Creative Writing | — | 64.9% |
| EQ-Bench Creative Writing | 1809 | — |
| EQ-Bench 4 | 1223 | — |
| LiveBench Language | — | 40.9% |

## FAQ

### Is Claude Opus 4.6 better than o1-mini?

Claude Opus 4.6 is the stronger model overall, scoring 58.3 to 33.7 on the Noometry Index.

### Is Claude Opus 4.6 or o1-mini better for coding?

Claude Opus 4.6 scores higher on coding benchmarks: 57.7 versus 35.1 in the Noometry coding category.

### How many benchmarks do Claude Opus 4.6 and o1-mini share?

26 benchmarks have published results for both models. Claude Opus 4.6 has 68 scored results on Noometry and o1-mini has 39.