Model comparison
Claude 3 Haiku vs GPT-5 Pro
GPT-5 Pro is the stronger model overall, scoring 46.4 to 25.9 on the Noometry Index.
Last verified . 3 shared benchmarks.
Summary
- They share 3 benchmarks with published results for both. Claude 3 Haiku scores higher in 0 categories and GPT-5 Pro in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GPT-5 Pro leads 56.7 to 17.3.
- The biggest single-benchmark swing is WeirdML: 9.8% for Claude 3 Haiku and 60.4% for GPT-5 Pro.
Side by side
| Claude 3 Haiku | GPT-5 Pro | |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Noometry Index | 25.9 | 46.4 |
| Released | 2024-03-07 | 2025-10-06 |
| Weights | Proprietary | Proprietary |
| Context window | — | 400K |
| Max output | — | 272K |
| Input $ / M tokens | — | $15 |
| Output $ / M tokens | — | $120 |
| Results tracked | 37 | 12 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding GPT-5 Pro leads
Claude 3 Haiku: 26.4 (#325), GPT-5 Pro: 44.0 (#80)
| Benchmark | Claude 3 Haiku | GPT-5 Pro |
|---|---|---|
| WeirdML | 9.8% | 60.4% |
| BigCodeBench Instruct | 39.4% | — |
| LMArena Coding | 1199 | — |
| BigCodeBench Complete | 50.1% | — |
| CadEval | 12% | — |
| AlgoTune | — | 1.31 |
| HumanEval+ | 68.9% | — |
| MBPP+ | 68.8% | — |
Reasoning GPT-5 Pro leads
Claude 3 Haiku: 16.3 (#307), GPT-5 Pro: 38.9 (#62)
| Benchmark | Claude 3 Haiku | GPT-5 Pro |
|---|---|---|
| Kagi LLM Benchmark | 34.2% | 76.8% |
| Epoch Capabilities Index | 118.35 | 150.28 |
| ARC-AGI-2 | — | 18.3% |
| SimpleBench | — | 61.6% |
| ARC-AGI-1 | — | 70.2% |
| EnigmaEval | — | 18.8% |
| LMArena Hard Prompts | 1174 | — |
| DTBench | 50.1% | — |
| LMCA | 8.8% | — |
| ForecastBench | 53.2 | — |
| WinoGrande | 74.2% | — |
Math GPT-5 Pro leads
Claude 3 Haiku: 9.8 (#319), GPT-5 Pro: 48.5 (#63)
| Benchmark | Claude 3 Haiku | GPT-5 Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 55.8% |
| FrontierMath Tier 4 | — | 19.5% |
| OTIS Mock AIME 2024-2025 | 1.8% | — |
| LMArena Math | 1188 | — |
| MATH Level 5 | 14.9% | — |
| FrontierMath Tier 4 (v1) | — | 14.6% |
Knowledge GPT-5 Pro leads
Claude 3 Haiku: 17.3 (#285), GPT-5 Pro: 56.7 (#42)
| Benchmark | Claude 3 Haiku | GPT-5 Pro |
|---|---|---|
| GPQA Diamond | 36.3% | — |
| Humanity's Last Exam | — | 31.6% |
| Confabulations | 34.2% | — |
| LMArena Expert | 1148 | — |
| MMLU | 73.8% | — |
Multimodal Not comparable
Claude 3 Haiku: 23.6 (#128), GPT-5 Pro: —
| Benchmark | Claude 3 Haiku | GPT-5 Pro |
|---|---|---|
| LMArena Vision | 950 | — |
| ScienceQA | 72% | — |
Multilingual Not comparable
Claude 3 Haiku: 36.0 (#243), GPT-5 Pro: —
| Benchmark | Claude 3 Haiku | GPT-5 Pro |
|---|---|---|
| LMArena Non-English | 1178 | — |
| LMArena Chinese | 1155 | — |
| LMArena French | 1195 | — |
| LMArena German | 1174 | — |
| LMArena Japanese | 1102 | — |
| LMArena Korean | 1109 | — |
| LMArena Russian | 1204 | — |
| LMArena Spanish | 1166 | — |
Instruction Following Not comparable
Claude 3 Haiku: 61.3 (#247), GPT-5 Pro: —
| Benchmark | Claude 3 Haiku | GPT-5 Pro |
|---|---|---|
| LMArena Instruction Following | 1173 | — |
Long Context Not comparable
Claude 3 Haiku: 36.1 (#237), GPT-5 Pro: —
| Benchmark | Claude 3 Haiku | GPT-5 Pro |
|---|---|---|
| LMArena Longer Query | 1190 | — |
Writing & Preference Not comparable
Claude 3 Haiku: 29.7 (#291), GPT-5 Pro: —
| Benchmark | Claude 3 Haiku | GPT-5 Pro |
|---|---|---|
| LMArena Text | 1195 | — |
| LMArena Creative Writing | 1157 | — |
| EQ-Bench Creative Writing | 717 | — |
| LMArena Multi-Turn | 1190 | — |
Frequently asked questions
Is Claude 3 Haiku better than GPT-5 Pro?
GPT-5 Pro is the stronger model overall, scoring 46.4 to 25.9 on the Noometry Index.
Is Claude 3 Haiku or GPT-5 Pro better for coding?
GPT-5 Pro scores higher on coding benchmarks: 44.0 versus 26.4 in the Noometry coding category.
How many benchmarks do Claude 3 Haiku and GPT-5 Pro share?
3 benchmarks have published results for both models. Claude 3 Haiku has 37 scored results on Noometry and GPT-5 Pro has 12.