# Claude Haiku 5.5 vs GPT-4

> Claude Haiku 5.5 is the stronger model overall, scoring 49.5 to 29.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-haiku-5-5-vs-gpt-4
- Last updated: 2026-10-12
- Shared benchmarks: 3

## Summary

- They share 3 benchmarks with published results for both. Claude Haiku 5.5 scores higher in 4 categories and GPT-4 in 0 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in math, where Claude Haiku 5.5 leads 73.6 to 10.8.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 98.9% for Claude Haiku 5.5 and 1.1% for GPT-4.
- Claude Haiku 5.5 is cheaper at $0.10 / $0.50 per million input/output tokens, against $30 / $60 for GPT-4.
- Claude Haiku 5.5 accepts more context: 1M tokens versus 8K.

## Snapshot

| | Claude Haiku 5.5 | GPT-4 |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Noometry Index | 49.5 | 29.1 |
| Rank | 52 | 316 |
| Context | 1M | 8K |
| Input $/M | $0.10 | $30 |
| Output $/M | $0.50 | $60 |
| Weights | Proprietary | Proprietary |

## Coding

- Claude Haiku 5.5: 49.2 (#50)
- GPT-4: 31.6 (#283)

| Benchmark | Claude Haiku 5.5 | GPT-4 |
|---|---|---|
| LMArena WebDev | 1587 | — |
| WeirdML | — | 12.4% |
| BigCodeBench Instruct | — | 46% |
| LMArena Coding | — | 1254 |
| BigCodeBench Complete | — | 57.2% |
| HumanEval+ | — | 79.3% |

## Agentic & Tool Use

- Claude Haiku 5.5: —
- GPT-4: —

| Benchmark | Claude Haiku 5.5 | GPT-4 |
|---|---|---|
| METR Time Horizons | — | 36.1% |

## Reasoning

- Claude Haiku 5.5: 35.2 (#69)
- GPT-4: 17.8 (#289)

| Benchmark | Claude Haiku 5.5 | GPT-4 |
|---|---|---|
| Mystery Game Puzzles | 30% | 12% |
| NYT Connections (extended) | 65.7% | — |
| Chess Puzzles | — | 4% |
| LMArena Hard Prompts | — | 1241 |
| DTBench | — | 62.7% |
| LMCA | — | 17.1% |
| BIG-Bench Hard | — | 75.1% |
| Epoch Capabilities Index | — | 125.89 |
| ForecastBench | — | 57.8 |
| HellaSwag | — | 95.3% |
| WinoGrande | — | 87.5% |

## Math

- Claude Haiku 5.5: 73.6 (#18)
- GPT-4: 10.8 (#309)

| Benchmark | Claude Haiku 5.5 | GPT-4 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 98.9% | 1.1% |
| FrontierMath (Tiers 1-3) | 75.1% | — |
| FrontierMath Tier 4 | 46.3% | — |
| LMArena Math | — | 1269 |
| MATH Level 5 | — | 23% |
| GSM8K | — | 92% |

## Knowledge

- Claude Haiku 5.5: 50.8 (#70)
- GPT-4: 18.4 (#282)

| Benchmark | Claude Haiku 5.5 | GPT-4 |
|---|---|---|
| GPQA Diamond | 89.6% | 35.7% |
| SimpleQA Verified | 23.8% | — |
| LMArena Expert | — | 1211 |
| MMLU | — | 86.4% |
| TriviaQA | — | 84.8% |

## Multimodal

- Claude Haiku 5.5: 43.7 (#21)
- GPT-4: —

| Benchmark | Claude Haiku 5.5 | GPT-4 |
|---|---|---|
| Furniture Assembly | 47.5% | — |

## Multilingual

- Claude Haiku 5.5: —
- GPT-4: 40.6 (#215)

| Benchmark | Claude Haiku 5.5 | GPT-4 |
|---|---|---|
| LMArena Non-English | — | 1246 |
| LMArena Chinese | — | 1242 |
| LMArena French | — | 1283 |
| LMArena German | — | 1251 |
| LMArena Japanese | — | 1209 |
| LMArena Korean | — | 1184 |
| LMArena Russian | — | 1251 |
| LMArena Spanish | — | 1261 |

## Instruction Following

- Claude Haiku 5.5: —
- GPT-4: 65.3 (#222)

| Benchmark | Claude Haiku 5.5 | GPT-4 |
|---|---|---|
| LMArena Instruction Following | — | 1241 |

## Long Context

- Claude Haiku 5.5: —
- GPT-4: 37.7 (#212)

| Benchmark | Claude Haiku 5.5 | GPT-4 |
|---|---|---|
| LMArena Longer Query | — | 1244 |

## Writing & Preference

- Claude Haiku 5.5: —
- GPT-4: 34.9 (#268)

| Benchmark | Claude Haiku 5.5 | GPT-4 |
|---|---|---|
| LMArena Text | — | 1263 |
| LMArena Creative Writing | — | 1244 |
| EQ-Bench Creative Writing | — | 752 |
| LMArena Multi-Turn | — | 1257 |

## FAQ

### Is Claude Haiku 5.5 better than GPT-4?

Claude Haiku 5.5 is the stronger model overall, scoring 49.5 to 29.1 on the Noometry Index.

### Which is cheaper, Claude Haiku 5.5 or GPT-4?

Claude Haiku 5.5 is cheaper. It lists at $0.10 per million input tokens and $0.50 per million output tokens; GPT-4 lists at $30 and $60.

### Is Claude Haiku 5.5 or GPT-4 better for coding?

Claude Haiku 5.5 scores higher on coding benchmarks: 49.2 versus 31.6 in the Noometry coding category.

### Which has the bigger context window?

Claude Haiku 5.5 does, with 1M tokens against 8K.

### How many benchmarks do Claude Haiku 5.5 and GPT-4 share?

3 benchmarks have published results for both models. Claude Haiku 5.5 has 9 scored results on Noometry and GPT-4 has 38.