GPT-5.1vsClaude Opus 4
Across 9 shared benchmarks, GPT-5.1 leads overall: GPT-5.1 wins 8, Claude Opus 4 wins 1, with 0 ties and an average score difference of +13.07.
GPT-5.1
OpenAI · 2025-11-12 · Reasoning model
Claude Opus 4
Anthropic · 2025-05-23 · Reasoning model
GPT-5.18 wins(89%)(11%)1 winClaude Opus 4
Benchmark scores
Grouped by capability, sorted by largest gap within each. 9 shared benchmarks.
General Knowledge
GPT-5.1 4/4| Benchmark | GPT-5.1 | Claude Opus 4 | Diff |
|---|---|---|---|
| ARC-AGI | 72.8025 / 65 | 35.7048 / 65 | +37.10 |
| HLE | 26.5083 / 157 | 10.70129 / 157 | +15.80 |
| ARC-AGI-2 | 17.6033 / 59 | 8.6039 / 59 | +9 |
| GPQA Diamond | 88.1028 / 178 | 79.6079 / 178 | +8.50 |
Math and Reasoning
GPT-5.1 3/4| Benchmark | GPT-5.1 | Claude Opus 4 | Diff |
|---|---|---|---|
| FrontierMath | 26.7013 / 60Thinking High (With Tools) | 4.5039 / 60 | +22.20 |
| AIME2025 | 9428 / 106 | 75.5065 / 106 | +18.50 |
| FrontierMath - Tier 4 | 12.5029 / 80Thinking High (With Tools) | 4.2040 / 80 | +8.30 |
| Simple Bench | 53.2010 / 27 | 58.807 / 27 | -5.60 |
Coding and Software Engineer
GPT-5.1 1/1| Benchmark | GPT-5.1 | Claude Opus 4 | Diff |
|---|---|---|---|
| SWE-bench Verified | 76.3030 / 108 | 72.5048 / 108 | +3.80 |
Specs
| Field | GPT-5.1 | Claude Opus 4 |
|---|---|---|
| Publisher | OpenAI | Anthropic |
| Release date | 2025-11-12 | 2025-05-23 |
| Model type | Reasoning model | Reasoning model |
| Architecture | Dense | Dense |
| Parameters | Not available | Not available |
| Context length | 400K | 200K |
| Max output | 128K | 32K |
Summary
- GPT-5.1leads in:General Knowledge (4/4), Math and Reasoning (3/4), Coding and Software Engineer (1/1)
On average across the 9 shared benchmarks, GPT-5.1 scores 13.07 higher.
Largest single-benchmark gap: ARC-AGI — GPT-5.1 72.80 vs Claude Opus 4 35.70 (+37.10).
Page generated from structured model, pricing and benchmark records. No real-time LLM is used to write the prose.