# Claude 3 Haiku vs Claude Opus 4

> Claude Opus 4 is the stronger model overall, scoring 42.9 to 25.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-haiku-vs-claude-opus-4
- Last updated: 2026-10-10
- Shared benchmarks: 29

## Summary

- They share 29 benchmarks with published results for both. Claude 3 Haiku scores higher in 0 categories and Claude Opus 4 in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Claude Opus 4 leads 61.4 to 29.8.
- The biggest single-benchmark swing is MATH Level 5: 14.9% for Claude 3 Haiku and 85% for Claude Opus 4.

## Snapshot

| | Claude 3 Haiku | Claude Opus 4 |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Noometry Index | 25.7 | 42.9 |
| Rank | 333 | 93 |
| Context | — | 200K |
| Input $/M | — | $15 |
| Output $/M | — | $75 |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 3 Haiku: 26.1 (#320)
- Claude Opus 4: 47.8 (#55)

| Benchmark | Claude 3 Haiku | Claude Opus 4 |
|---|---|---|
| WeirdML | 9.8% | 43.7% |
| LMArena Coding | 1199 | 1442 |
| SWE-bench Verified | — | 70.7% |
| SWE-bench Verified (bash only) | — | 67.6% |
| Aider Polyglot | — | 72% |
| GSO | — | 6.9% |
| BigCodeBench Instruct | 39.4% | — |
| BigCodeBench Complete | 50.1% | — |
| CadEval | 12% | — |
| AlgoTune | — | 1.33 |
| HumanEval+ | 68.9% | — |
| MBPP+ | 68.8% | — |

## Agentic & Tool Use

- Claude 3 Haiku: —
- Claude Opus 4: 34.5 (#39)

| Benchmark | Claude 3 Haiku | Claude Opus 4 |
|---|---|---|
| Cybench | — | 38% |
| DeepResearch Bench | — | 46.8% |
| LMArena Search | — | 1127 |
| METR Time Horizons | — | 63.9% |

## Reasoning

- Claude 3 Haiku: 15.7 (#303)
- Claude Opus 4: 27.4 (#104)

| Benchmark | Claude 3 Haiku | Claude Opus 4 |
|---|---|---|
| Kagi LLM Benchmark | 34.2% | 74.3% |
| LMArena Hard Prompts | 1174 | 1399 |
| DTBench | 50.1% | 81.6% |
| LMCA | 8.8% | 37.4% |
| Epoch Capabilities Index | 118.3 | 142.67 |
| ForecastBench | 53.2 | 61.1 |
| ARC-AGI-2 | — | 8.6% |
| SimpleBench | — | 58.8% |
| ARC-AGI-1 | — | 35.7% |
| CritPt | — | 0.3% |
| EnigmaEval | — | 5.6% |
| WinoGrande | 74.2% | — |

## Math

- Claude 3 Haiku: 9.2 (#313)
- Claude Opus 4: 40.2 (#80)

| Benchmark | Claude 3 Haiku | Claude Opus 4 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.8% | 64.4% |
| LMArena Math | 1188 | 1391 |
| MATH Level 5 | 14.9% | 85% |
| Omni-MATH | — | 61.6% |
| FrontierMath (Feb 2025 set) | — | 4.5% |
| FrontierMath Tier 4 (v1) | — | 4.2% |

## Knowledge

- Claude 3 Haiku: 17.3 (#280)
- Claude Opus 4: 43.9 (#82)

| Benchmark | Claude 3 Haiku | Claude Opus 4 |
|---|---|---|
| GPQA Diamond | 36.3% | 76.3% |
| Confabulations | 34.2% | 15.9% |
| LMArena Expert | 1148 | 1384 |
| Humanity's Last Exam | — | 10.7% |
| MMLU-Pro | — | 87.5% |
| Vectara Hallucination Rate | — | 12% |
| GPQA (HELM) | — | 70.8% |
| MMLU | 73.8% | — |

## Multimodal

- Claude 3 Haiku: 23.1 (#123)
- Claude Opus 4: 30.9 (#101)

| Benchmark | Claude 3 Haiku | Claude Opus 4 |
|---|---|---|
| LMArena Vision | 950 | 1192 |
| GeoBench | — | 49% |
| VPCT | — | 38% |
| ScienceQA | 72% | — |

## Multilingual

- Claude 3 Haiku: 36.1 (#238)
- Claude Opus 4: 49.0 (#133)

| Benchmark | Claude 3 Haiku | Claude Opus 4 |
|---|---|---|
| LMArena Non-English | 1178 | 1362 |
| LMArena Chinese | 1155 | 1386 |
| LMArena French | 1194 | 1370 |
| LMArena German | 1174 | 1391 |
| LMArena Japanese | 1102 | 1332 |
| LMArena Korean | 1108 | 1318 |
| LMArena Russian | 1204 | 1392 |
| LMArena Spanish | 1165 | 1388 |

## Instruction Following

- Claude 3 Haiku: 61.5 (#242)
- Claude Opus 4: 77.3 (#26)

| Benchmark | Claude 3 Haiku | Claude Opus 4 |
|---|---|---|
| LMArena Instruction Following | 1174 | 1406 |
| IFEval | — | 91.8% |

## Long Context

- Claude 3 Haiku: 36.1 (#232)
- Claude Opus 4: 39.5 (#167)

| Benchmark | Claude 3 Haiku | Claude Opus 4 |
|---|---|---|
| LMArena Longer Query | 1191 | 1422 |
| Fiction.LiveBench | — | 61.1% |

## Writing & Preference

- Claude 3 Haiku: 29.8 (#286)
- Claude Opus 4: 61.4 (#85)

| Benchmark | Claude 3 Haiku | Claude Opus 4 |
|---|---|---|
| LMArena Text | 1195 | 1377 |
| LMArena Creative Writing | 1157 | 1386 |
| EQ-Bench Creative Writing | 717 | 1580 |
| LMArena Multi-Turn | 1190 | 1396 |
| Short-Story Creative Writing | — | 83.6% |
| WildBench | — | 85.2% |

## FAQ

### Is Claude 3 Haiku better than Claude Opus 4?

Claude Opus 4 is the stronger model overall, scoring 42.9 to 25.7 on the Noometry Index.

### Is Claude 3 Haiku or Claude Opus 4 better for coding?

Claude Opus 4 scores higher on coding benchmarks: 47.8 versus 26.1 in the Noometry coding category.

### How many benchmarks do Claude 3 Haiku and Claude Opus 4 share?

29 benchmarks have published results for both models. Claude 3 Haiku has 37 scored results on Noometry and Claude Opus 4 has 56.