# Claude 2 vs GPT-5.2 Codex

> GPT-5.2 Codex is the stronger model overall, scoring 42.2 to 24.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-2-vs-gpt-5-2-codex
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Snapshot

| | Claude 2 | GPT-5.2 Codex |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Noometry Index | 24.7 | 42.2 |
| Rank | 342 | 107 |
| Context | — | 400K |
| Input $/M | — | $1.75 |
| Output $/M | — | $14 |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 2: —
- GPT-5.2 Codex: 45.4 (#66)

| Benchmark | Claude 2 | GPT-5.2 Codex |
|---|---|---|
| SWE-bench Verified (bash only) | — | 72.8% |
| LMArena WebDev | — | 1339 |
| SWE-bench Multilingual | — | 66.3% |
| ALE-Bench | — | 1,300 |
| HumanEval+ | 61.6% | — |

## Agentic & Tool Use

- Claude 2: —
- GPT-5.2 Codex: 40.7 (#20)

| Benchmark | Claude 2 | GPT-5.2 Codex |
|---|---|---|
| Terminal-Bench | — | 66.5% |

## Reasoning

- Claude 2: 20.8 (#213)
- GPT-5.2 Codex: —

| Benchmark | Claude 2 | GPT-5.2 Codex |
|---|---|---|
| DTBench | 51.9% | — |
| Epoch Capabilities Index | 120.08 | — |

## Math

- Claude 2: 8.7 (#314)
- GPT-5.2 Codex: —

| Benchmark | Claude 2 | GPT-5.2 Codex |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| MATH Level 5 | 11.7% | — |

## Knowledge

- Claude 2: 17.0 (#282)
- GPT-5.2 Codex: —

| Benchmark | Claude 2 | GPT-5.2 Codex |
|---|---|---|
| GPQA Diamond | 34.7% | — |
| MMLU | 78.5% | — |
| TriviaQA | 87.5% | — |

## FAQ

### Is Claude 2 better than GPT-5.2 Codex?

GPT-5.2 Codex is the stronger model overall, scoring 42.2 to 24.7 on the Noometry Index.

### How many benchmarks do Claude 2 and GPT-5.2 Codex share?

0 benchmarks have published results for both models. Claude 2 has 8 scored results on Noometry and GPT-5.2 Codex has 5.