Claude Opus 4.6 vs GPT-5
Head to head on 19 shared benchmarks, with price, context window, and release dates.
Benchmark scores
82evals · sort by any column, ⤢ to expand fullscreen
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| Claude Opus 4.6 Anthropic | 67.0% | 1809elo | 77.7 | 40.7% | 89.6% | 39.9% | 53.1% | 84.9% | 48.2% | 86.7% | 68.5% | 50.0% | 51.6% | 51.9% | 75.6% | 76.0% | 46.2% | 57.6% | 92.1% | - | - | - | - | - | 99.79 | - | 56.1% | 1.5 | - | - | - | - | 2.08 | 69.0% | - | - | - | 1223elo | - | - | - | - | - | - | 88771 | 58 | - | 78.8% | 78.2% | 69.9% | 63.3% | 83.3% | 89.3% | 88.7% | - | - | - | - | - | - | 78.5% | - | - | - | - | - | - | - | 93 | - | - | - | 44.5 | - | 72.0% | - | 80.6 | - | - | - | - | - | 68.1% |
| GPT-5 OpenAI | 61.1% | 1627elo | 72.8 | 32.4% | 85.4% | 28.5% | 73.1% | 83.4% | 49.6% | 83.7% | 65.5% | 18.0% | 43.7% | 42.9% | 74.4% | 73.4% | 32.6% | 20.1% | 84.8% | 46.7% | 91.1% | 88.0% | 94.6% | 94.3% | - | 0.0% | - | - | 0.15 | 0.0% | 68.1% | 4.58 | - | - | 57.7% | 80.0% | 80.0% | - | 91.7% | 0.0% | 88.9% | 83.3% | 100.0% | 48.9% | - | - | 58.2% | - | - | - | - | - | - | - | 84.6% | 37.5% | 0.52 | 1.62 | 100.0% | 99.4% | - | 0.0% | 92.7% | 92.7% | 93.3% | 10.0% | 87.1% | 0.0% | - | 60.0% | 0.26 | 0.0% | - | 74.9% | - | 2.34 | - | 87.5% | 0.86 | 54.8% | 90.0% | 90.0% | 61.9% |
2 / 2 models
| Attribute | Claude Opus 4.6 Anthropic | GPT-5 OpenAI |
|---|---|---|
| Description | Claude Opus 4.6 is an AI model from Anthropic. | OpenAI's August 2025 unified frontier model that auto-routes between a fast model and a deeper "thinking" variant. |
| Family | Claude | GPT 5 |
| Params | - | Undisclosed (closed) |
| Open weights | closed | closed |
| License | proprietary | proprietary |
| Released | 5 Feb 2026 | 7 Aug 2025 |
| Context | 1,000,000 | 400,000 |
| Input $/1M | $5.00 | $1.25 |
| Output $/1M | $25.00 | $10.00 |
| Cache read $/1M | $0.500 | $0.125 |
| Cache write $/1M | $6.250 | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | text, image, file | text, image, file |
| Providers | - | openai |
| Publisher | Anthropic | OpenAI |
| Reported scores | GPQA Diamond89.6% (AA) Humanity's Last Exam (HLE)39.9% (AA) SciCode51.9% (AA) τ²-bench (Tau²-bench)92.1% (AA) Terminal-Bench (Hard)46.2% (AA) | SWE-bench74.9% (Verified) GPQA Diamond85.4% (AA) Humanity's Last Exam (HLE)28.5% (AA) IFBench73.1% (AA) |
FAQ
- Is Claude Opus 4.6 or GPT-5 better?
- Across the 19 benchmarks both models report on Sophon, Claude Opus 4.6 leads on 17 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do Claude Opus 4.6 and GPT-5 compare on GPQA Diamond?
- Claude Opus 4.6 scores 89.6% and GPT-5 scores 85.4% on GPQA Diamond.
- Which is cheaper, Claude Opus 4.6 or GPT-5?
- GPT-5 is cheaper at $10.00 per million output tokens against $25.00 for Claude Opus 4.6 - about 2.5x.
- When were Claude Opus 4.6 and GPT-5 released?
- Claude Opus 4.6 was released 5 Feb 2026 by Anthropic. GPT-5 was released 7 Aug 2025 by OpenAI.
Other head-to-heads
56GPT-4.1 Mini vs GPT-541 shared evalsGPT-5 vs GPT-5 Mini36 shared evalsClaude Opus 4.6 vs GPT-5.433 shared evalsClaude Sonnet 4.5 vs GPT-531 shared evalsClaude Opus 4.6 vs Gemini 3.1 Pro Preview31 shared evalsClaude Opus 4.6 vs Kimi K2.531 shared evalsClaude Opus 4.6 vs GPT-5.230 shared evalsClaude Opus 4.6 vs Claude Opus 4.729 shared evalsClaude Opus 4.6 vs Claude Sonnet 4.528 shared evalsClaude Opus 4.6 vs GPT-5 Mini28 shared evalsGPT-5 vs GPT-5 Nano28 shared evalsGPT-4.1 vs GPT-528 shared evalsClaude Opus 4.6 vs GPT-5.528 shared evalsClaude Opus 4.6 vs Claude Opus 4.828 shared evalsClaude Opus 4.5 vs Claude Opus 4.628 shared evalsClaude Opus 4.6 vs Claude Sonnet 4.628 shared evalsClaude Opus 4.6 vs GLM 5.127 shared evalsClaude Fable 5 vs Claude Opus 4.626 shared evalsClaude Opus 4.6 vs DeepSeek V3.226 shared evalsClaude 4 Sonnet vs GPT-525 shared evalsClaude Opus 4.6 vs Grok 4.1 Fast25 shared evalsClaude Opus 4.6 vs GPT-5.4 Mini25 shared evalsGemini 2.5 Pro vs GPT-524 shared evalsClaude Opus 4.6 vs Qwen3.6 Plus24 shared evalsGPT-5 vs GPT-5.223 shared evalsClaude Opus 4.5 vs GPT-523 shared evalsClaude Opus 4.6 vs GPT-5 Nano23 shared evalsClaude 4 Sonnet vs Claude Opus 4.622 shared evalsGPT-4.1 Nano vs GPT-521 shared evalsClaude Opus 4.6 vs Gemini 2.5 Pro21 shared evalsClaude Opus 4.6 vs GLM 4.721 shared evalsGPT-5 vs Grok 4.1 Fast20 shared evalsGemini 3.1 Pro Preview vs GPT-519 shared evalsGPT-5 vs GPT-5.419 shared evalsDeepSeek V3.2 vs GPT-519 shared evalsGPT-4o vs GPT-519 shared evalsClaude Opus 4.6 vs gpt-oss-120b19 shared evalsGPT-5 vs GPT-5.518 shared evalsGPT-5 vs Kimi K2.518 shared evalsClaude Opus 4.8 vs GPT-517 shared evalsClaude Opus 4.7 vs GPT-517 shared evalsGPT-5 vs gpt-oss-120b17 shared evalsGLM 4.7 vs GPT-517 shared evalsClaude Fable 5 vs GPT-516 shared evalsGPT-4o-mini vs GPT-516 shared evalsClaude Sonnet 4.6 vs GPT-516 shared evalsGLM 5.1 vs GPT-516 shared evalsGPT-5 vs GPT-5.4 Mini16 shared evalsGPT-5 vs Qwen3.6 Plus15 shared evalsClaude Opus 4.6 vs GPT-4o15 shared evalsClaude Opus 4.6 vs GPT-4.1 Mini13 shared evalsClaude Opus 4.6 vs GPT-4.113 shared evalsClaude Opus 4.6 vs GPT-6 Astra13 shared evalsGPT-5 vs GPT-6 Astra12 shared evalsClaude Opus 4.6 vs GPT-4o-mini12 shared evalsClaude Opus 4.6 vs GPT-4.1 Nano12 shared evals
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