# Claude 3.5 Sonnet vs o4-mini

> o4-mini is the stronger model overall, scoring 41.6 to 34.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-5-sonnet-vs-o4-mini
- Last updated: 2026-10-10
- Shared benchmarks: 43

## Summary

- They share 43 benchmarks with published results for both. Claude 3.5 Sonnet scores higher in 0 categories and o4-mini in 10 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where o4-mini leads 40.2 to 18.0.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 8.5% for Claude 3.5 Sonnet and 81.7% for o4-mini.

## Snapshot

| | Claude 3.5 Sonnet | o4-mini |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Noometry Index | 34.4 | 41.6 |
| Rank | 225 | 119 |
| Context | — | 200K |
| Input $/M | — | $1.10 |
| Output $/M | — | $4.40 |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 3.5 Sonnet: 39.5 (#145)
- o4-mini: 41.6 (#110)

| Benchmark | Claude 3.5 Sonnet | o4-mini |
|---|---|---|
| Aider Polyglot | 51.6% | 72% |
| GSO | 4.6% | 3.6% |
| WeirdML | 40% | 52.6% |
| LMArena Coding | 1343 | 1369 |
| CadEval | 48% | 62% |
| SWE-bench Verified (bash only) | — | 45% |
| BigCodeBench Instruct | 46.8% | — |
| LiveBench Coding | 67.1% | — |
| BigCodeBench Complete | 58.6% | — |
| ALE-Bench | — | 826.17 |
| AlgoTune | — | 1.72 |
| HumanEval+ | 81.7% | — |
| MBPP+ | 74.3% | — |

## Agentic & Tool Use

- Claude 3.5 Sonnet: 32.1 (#61)
- o4-mini: 32.3 (#57)

| Benchmark | Claude 3.5 Sonnet | o4-mini |
|---|---|---|
| METR Time Horizons | 45.2% | 63.9% |
| Berkeley Function Calling Leaderboard | — | 53.2% |
| GDPval | — | 25.3% |
| TheAgentCompany | 24% | — |
| Cybench | 17.5% | — |
| BALROG | 32.6% | — |

## Reasoning

- Claude 3.5 Sonnet: 22.5 (#176)
- o4-mini: 24.6 (#143)

| Benchmark | Claude 3.5 Sonnet | o4-mini |
|---|---|---|
| SimpleBench | 41.4% | 38.7% |
| EnigmaEval | 0.9% | 9.2% |
| LMArena Hard Prompts | 1305 | 1351 |
| DTBench | 67.8% | 77.6% |
| Epoch Capabilities Index | 133.55 | 145.63 |
| ForecastBench | 60.7 | 61.8 |
| ARC-AGI-2 | — | 6.1% |
| Kagi LLM Benchmark | — | 67.6% |
| ARC-AGI-1 | — | 58.7% |
| CritPt | — | 0.6% |
| Chess Puzzles | — | 26% |
| LiveBench Reasoning | 56.7% | — |
| Mystery Game Puzzles | — | 5% |
| LiveBench Data Analysis | 55% | — |
| LMCA | — | 26.5% |
| LiveBench | 59% | — |

## Math

- Claude 3.5 Sonnet: 18.0 (#282)
- o4-mini: 40.2 (#79)

| Benchmark | Claude 3.5 Sonnet | o4-mini |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 8.5% | 81.7% |
| Omni-MATH | 27.6% | 72% |
| LMArena Math | 1306 | 1390 |
| MATH Level 5 | 56.9% | 97.8% |
| FrontierMath (Feb 2025 set) | 2.1% | 24.8% |
| FrontierMath Tier 4 (v1) | 0% | 6.3% |
| FrontierMath (Tiers 1-3) | — | 36.1% |
| FrontierMath Tier 4 | — | 4.9% |
| LiveBench Math | 52.3% | — |

## Knowledge

- Claude 3.5 Sonnet: 28.5 (#236)
- o4-mini: 43.5 (#83)

| Benchmark | Claude 3.5 Sonnet | o4-mini |
|---|---|---|
| GPQA Diamond | 55.3% | 79.6% |
| Humanity's Last Exam | 4.1% | 18.1% |
| MMLU-Pro | 77.7% | 82% |
| Confabulations | 19.9% | 15.8% |
| GPQA (HELM) | 56.5% | 73.5% |
| LMArena Expert | 1264 | 1344 |
| SimpleQA Verified | — | 19.6% |
| Vectara Hallucination Rate | — | 18.6% |
| MMLU | 87.3% | — |

## Multimodal

- Claude 3.5 Sonnet: 26.0 (#115)
- o4-mini: 39.5 (#46)

| Benchmark | Claude 3.5 Sonnet | o4-mini |
|---|---|---|
| LMArena Vision | 1125 | 1194 |
| GeoBench | 62% | 64% |
| VPCT | 33% | 57.5% |
| Video-MME | 60% | — |

## Multilingual

- Claude 3.5 Sonnet: 43.4 (#180)
- o4-mini: 47.2 (#149)

| Benchmark | Claude 3.5 Sonnet | o4-mini |
|---|---|---|
| LMArena Non-English | 1283 | 1336 |
| LMArena Chinese | 1271 | 1355 |
| LMArena French | 1304 | 1362 |
| LMArena German | 1297 | 1336 |
| LMArena Japanese | 1234 | 1308 |
| LMArena Korean | 1200 | 1313 |
| LMArena Russian | 1305 | 1334 |
| LMArena Spanish | 1289 | 1346 |

## Instruction Following

- Claude 3.5 Sonnet: 69.0 (#177)
- o4-mini: 75.4 (#63)

| Benchmark | Claude 3.5 Sonnet | o4-mini |
|---|---|---|
| IFEval | 85.5% | 92.8% |
| LMArena Instruction Following | 1297 | 1321 |
| LiveBench Instruction Following | 69.3% | — |

## Long Context

- Claude 3.5 Sonnet: 39.9 (#162)
- o4-mini: 45.5 (#31)

| Benchmark | Claude 3.5 Sonnet | o4-mini |
|---|---|---|
| LMArena Longer Query | 1311 | 1315 |
| Fiction.LiveBench | — | 77.8% |

## Writing & Preference

- Claude 3.5 Sonnet: 53.0 (#159)
- o4-mini: 54.2 (#148)

| Benchmark | Claude 3.5 Sonnet | o4-mini |
|---|---|---|
| LMArena Text | 1298 | 1353 |
| LMArena Creative Writing | 1292 | 1294 |
| Short-Story Creative Writing | 80.3% | 75% |
| WildBench | 79.2% | 85.4% |
| LMArena Multi-Turn | 1326 | 1350 |
| EQ-Bench Creative Writing | 1451 | — |
| LiveBench Language | 53.8% | — |

## FAQ

### Is Claude 3.5 Sonnet better than o4-mini?

o4-mini is the stronger model overall, scoring 41.6 to 34.4 on the Noometry Index.

### Is Claude 3.5 Sonnet or o4-mini better for coding?

o4-mini scores higher on coding benchmarks: 41.6 versus 39.5 in the Noometry coding category.

### How many benchmarks do Claude 3.5 Sonnet and o4-mini share?

43 benchmarks have published results for both models. Claude 3.5 Sonnet has 60 scored results on Noometry and o4-mini has 60.