# Claude 2 vs GPT-5.4 Pro

> GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 25.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-2-vs-gpt-5-4-pro
- Last updated: 2026-10-11
- Shared benchmarks: 2

## 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 72.4 to 9.3.
- The biggest single-benchmark swing is GPQA Diamond: 34.7% for Claude 2 and 94.6% for GPT-5.4 Pro.

## Snapshot

| | Claude 2 | GPT-5.4 Pro |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Noometry Index | 25.0 | 58.9 |
| Rank | 346 | 18 |
| Context | — | 1.05M |
| Input $/M | — | $30 |
| Output $/M | — | $180 |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 2: —
- GPT-5.4 Pro: 43.2 (#90)

| Benchmark | Claude 2 | GPT-5.4 Pro |
|---|---|---|
| WeirdML | — | 57.4% |
| HumanEval+ | 61.6% | — |

## Reasoning

- Claude 2: 21.7 (#216)
- GPT-5.4 Pro: 70.7 (#13)

| Benchmark | Claude 2 | GPT-5.4 Pro |
|---|---|---|
| Epoch Capabilities Index | 120.13 | 158.93 |
| 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

- Claude 2: 9.3 (#320)
- GPT-5.4 Pro: 72.4 (#22)

| 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

- Claude 2: 16.9 (#287)
- GPT-5.4 Pro: 68.3 (#7)

| 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% | — |

## FAQ

### Is Claude 2 better than GPT-5.4 Pro?

GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 25.0 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.