# Claude 3.5 Haiku vs o1

> o1 is the stronger model overall, scoring 40.9 to 29.2 on the Noometry Index.

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

## Summary

- They share 37 benchmarks with published results for both. Claude 3.5 Haiku scores higher in 1 category and o1 in 9 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where o1 leads 41.5 to 18.7.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.3% for Claude 3.5 Haiku and 73.3% for o1.

## Snapshot

| | Claude 3.5 Haiku | o1 |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Noometry Index | 29.2 | 40.9 |
| Rank | 315 | 143 |
| Context | — | 200K |
| Input $/M | — | $15 |
| Output $/M | — | $60 |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 3.5 Haiku: 32.9 (#265)
- o1: 46.1 (#70)

| Benchmark | Claude 3.5 Haiku | o1 |
|---|---|---|
| Aider Polyglot | 28% | 61.7% |
| WeirdML | 30.7% | 47.6% |
| LiveBench Coding | 51.4% | 69.7% |
| LMArena Coding | 1286 | 1367 |
| CadEval | 32% | 56% |
| SciCode | 27.4% | — |
| BigCodeBench Instruct | 46.1% | — |
| BigCodeBench Complete | 59% | — |
| HumanEval+ | — | 89% |
| MBPP+ | — | 80.2% |

## Agentic & Tool Use

- Claude 3.5 Haiku: 28.0 (#95)
- o1: 24.6 (#117)

| Benchmark | Claude 3.5 Haiku | o1 |
|---|---|---|
| Cybench | — | 10% |
| BALROG | 19.3% | — |
| METR Time Horizons | — | 51.1% |

## Reasoning

- Claude 3.5 Haiku: 17.7 (#290)
- o1: 27.9 (#111)

| Benchmark | Claude 3.5 Haiku | o1 |
|---|---|---|
| LiveBench Reasoning | 28.1% | 91.6% |
| LMArena Hard Prompts | 1251 | 1371 |
| DTBench | 56.7% | 74.7% |
| LiveBench Data Analysis | 48.5% | 65.5% |
| Epoch Capabilities Index | 127.15 | 141.91 |
| LiveBench | 43.5% | 75.7% |
| SimpleBench | — | 41.7% |
| ARC-AGI-1 | — | 30.7% |
| CritPt | 0% | — |
| Chess Puzzles | — | 15% |
| EnigmaEval | — | 5.7% |
| LMCA | — | 22.3% |

## Math

- Claude 3.5 Haiku: 14.7 (#300)
- o1: 36.1 (#175)

| Benchmark | Claude 3.5 Haiku | o1 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 4.3% | 73.3% |
| LiveBench Math | 35.5% | 80.3% |
| LMArena Math | 1244 | 1388 |
| MATH Level 5 | 46.4% | 94.7% |
| FrontierMath (Feb 2025 set) | 0.3% | 9.3% |
| FrontierMath (Tiers 1-3) | — | 14.7% |
| Omni-MATH | 22.4% | — |

## Knowledge

- Claude 3.5 Haiku: 18.7 (#281)
- o1: 41.5 (#110)

| Benchmark | Claude 3.5 Haiku | o1 |
|---|---|---|
| GPQA Diamond | 38.1% | 76.8% |
| Confabulations | 36.7% | 11.7% |
| LMArena Expert | 1208 | 1361 |
| Humanity's Last Exam | — | 8% |
| SimpleQA Verified | — | 41.1% |
| MMLU-Pro | 60.5% | — |
| GPQA (HELM) | 36.3% | — |
| MMLU | 74.3% | — |

## Multimodal

- Claude 3.5 Haiku: 26.8 (#117)
- o1: 34.2 (#93)

| Benchmark | Claude 3.5 Haiku | o1 |
|---|---|---|
| LMArena Vision | 1092 | 1168 |
| GeoBench | 34% | 80% |
| VPCT | — | 37% |
| SpatialViz-Bench | — | 41.4% |

## Multilingual

- Claude 3.5 Haiku: 40.0 (#218)
- o1: 48.6 (#142)

| Benchmark | Claude 3.5 Haiku | o1 |
|---|---|---|
| LMArena Non-English | 1238 | 1358 |
| LMArena Chinese | 1229 | 1394 |
| LMArena French | 1264 | 1344 |
| LMArena German | 1237 | 1337 |
| LMArena Japanese | 1175 | 1346 |
| LMArena Korean | 1173 | 1396 |
| LMArena Russian | 1253 | 1356 |
| LMArena Spanish | 1261 | 1345 |

## Instruction Following

- Claude 3.5 Haiku: 62.9 (#234)
- o1: 74.8 (#86)

| Benchmark | Claude 3.5 Haiku | o1 |
|---|---|---|
| LiveBench Instruction Following | 61.9% | 81.5% |
| LMArena Instruction Following | 1241 | 1367 |
| IFEval | 79.2% | — |

## Long Context

- Claude 3.5 Haiku: 38.3 (#200)
- o1: 50.3 (#9)

| Benchmark | Claude 3.5 Haiku | o1 |
|---|---|---|
| LMArena Longer Query | 1261 | 1378 |
| Fiction.LiveBench | — | 83.3% |

## Writing & Preference

- Claude 3.5 Haiku: 42.7 (#234)
- o1: 55.6 (#144)

| Benchmark | Claude 3.5 Haiku | o1 |
|---|---|---|
| LMArena Text | 1255 | 1366 |
| LMArena Creative Writing | 1233 | 1348 |
| Short-Story Creative Writing | 73.5% | 70.2% |
| LMArena Multi-Turn | 1265 | 1369 |
| LiveBench Language | 35.4% | 65.4% |
| EQ-Bench Creative Writing | 1146 | — |
| WildBench | 76% | — |

## FAQ

### Is Claude 3.5 Haiku better than o1?

o1 is the stronger model overall, scoring 40.9 to 29.2 on the Noometry Index.

### Is Claude 3.5 Haiku or o1 better for coding?

o1 scores higher on coding benchmarks: 46.1 versus 32.9 in the Noometry coding category.

### How many benchmarks do Claude 3.5 Haiku and o1 share?

37 benchmarks have published results for both models. Claude 3.5 Haiku has 49 scored results on Noometry and o1 has 52.