# Claude 2 vs GPT-5 Pro

> GPT-5 Pro is the stronger model overall, scoring 46.2 to 24.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-2-vs-gpt-5-pro
- Last updated: 2026-10-10
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. Claude 2 scores higher in 0 categories and GPT-5 Pro in 3 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in math, where GPT-5 Pro leads 48.0 to 8.7.

## Snapshot

| | Claude 2 | GPT-5 Pro |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Noometry Index | 24.7 | 46.2 |
| Rank | 342 | 58 |
| Context | — | 400K |
| Input $/M | — | $15 |
| Output $/M | — | $120 |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 2: —
- GPT-5 Pro: 43.4 (#77)

| Benchmark | Claude 2 | GPT-5 Pro |
|---|---|---|
| WeirdML | — | 60.4% |
| AlgoTune | — | 1.31 |
| HumanEval+ | 61.6% | — |

## Reasoning

- Claude 2: 20.8 (#213)
- GPT-5 Pro: 39.2 (#52)

| Benchmark | Claude 2 | GPT-5 Pro |
|---|---|---|
| Epoch Capabilities Index | 120.08 | 150.26 |
| ARC-AGI-2 | — | 18.3% |
| SimpleBench | — | 61.6% |
| Kagi LLM Benchmark | — | 76.8% |
| ARC-AGI-1 | — | 70.2% |
| EnigmaEval | — | 18.8% |
| DTBench | 51.9% | — |

## Math

- Claude 2: 8.7 (#314)
- GPT-5 Pro: 48.0 (#53)

| Benchmark | Claude 2 | GPT-5 Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 55.8% |
| FrontierMath Tier 4 | — | 19.5% |
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| MATH Level 5 | 11.7% | — |
| FrontierMath Tier 4 (v1) | — | 14.6% |

## Knowledge

- Claude 2: 17.0 (#282)
- GPT-5 Pro: 56.2 (#39)

| Benchmark | Claude 2 | GPT-5 Pro |
|---|---|---|
| GPQA Diamond | 34.7% | — |
| Humanity's Last Exam | — | 31.6% |
| MMLU | 78.5% | — |
| TriviaQA | 87.5% | — |

## FAQ

### Is Claude 2 better than GPT-5 Pro?

GPT-5 Pro is the stronger model overall, scoring 46.2 to 24.7 on the Noometry Index.

### How many benchmarks do Claude 2 and GPT-5 Pro share?

1 benchmark has published results for both models. Claude 2 has 8 scored results on Noometry and GPT-5 Pro has 12.