Model comparison
Claude 2 vs GPT-5.4 Pro
GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 24.7 on the Noometry Index.
Last verified . 2 shared benchmarks.
Summary
- They share 2 benchmarks with published results for both. Claude 2 scores higher in 0 categories and GPT-5.4 Pro in 3 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in math, where GPT-5.4 Pro leads 72.0 to 8.7.
- The biggest single-benchmark swing is GPQA Diamond: 34.7% for Claude 2 and 94.6% for GPT-5.4 Pro.
Side by side
| Claude 2 | GPT-5.4 Pro | |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Noometry Index | 24.7 | 58.8 |
| Released | 2023-07-11 | 2026-03-05 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 128K |
| Input $ / M tokens | — | $30 |
| Output $ / M tokens | — | $180 |
| Results tracked | 8 | 16 |
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Category by category
Coding Not comparable
Claude 2: —, GPT-5.4 Pro: 42.6 (#89)
| Benchmark | Claude 2 | GPT-5.4 Pro |
|---|---|---|
| WeirdML | — | 57.4% |
| HumanEval+ | 61.6% | — |
Reasoning GPT-5.4 Pro leads
Claude 2: 20.8 (#213), GPT-5.4 Pro: 71.0 (#10)
| Benchmark | Claude 2 | GPT-5.4 Pro |
|---|---|---|
| Epoch Capabilities Index | 120.08 | 159.12 |
| ARC-AGI-2 | — | 83.3% |
| SimpleBench | — | 74.1% |
| ARC-AGI-1 | — | 94.5% |
| CritPt | — | 30% |
| Chess Puzzles | — | 58.6% |
| EnigmaEval | — | 23.8% |
| DTBench | 51.9% | — |
Math GPT-5.4 Pro leads
Claude 2: 8.7 (#314), GPT-5.4 Pro: 72.0 (#17)
| Benchmark | Claude 2 | GPT-5.4 Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 82.5% |
| FrontierMath Tier 4 | — | 58.5% |
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| MATH Level 5 | 11.7% | — |
| FrontierMath (Feb 2025 set) | — | 50% |
| FrontierMath Tier 4 (v1) | — | 37.5% |
Knowledge GPT-5.4 Pro leads
Claude 2: 17.0 (#282), GPT-5.4 Pro: 68.3 (#6)
| Benchmark | Claude 2 | GPT-5.4 Pro |
|---|---|---|
| GPQA Diamond | 34.7% | 94.6% |
| Humanity's Last Exam | — | 44.3% |
| SimpleQA Verified | — | 46.3% |
| Vectara Hallucination Rate | — | 8.3% |
| MMLU | 78.5% | — |
| TriviaQA | 87.5% | — |
Frequently asked questions
Is Claude 2 better than GPT-5.4 Pro?
GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 24.7 on the Noometry Index.
How many benchmarks do Claude 2 and GPT-5.4 Pro share?
2 benchmarks have published results for both models. Claude 2 has 8 scored results on Noometry and GPT-5.4 Pro has 16.