Claude 4 Sonnet vs GPT-5 Nano
Head to head on 25 shared benchmarks, with price, context window, and release dates.
Benchmark scores
64evals · sort by any column, ⤢ to expand fullscreen
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| Claude 4 Sonnet Anthropic | 74.3% | 19.8% | 1483elo | 58.4 | 77.7% | 10.7% | 54.7% | 64.8% | 77.5% | 54.6% | 44.3% | 72.9% | 70.5% | 69.0% | 65.5% | 33.9% | 72.4% | 84.2% | 62.5% | 35.0% | 40.0% | 74.6% | 69.6% | 31.1% | 64.6% | - | 77.3% | - | 22.9% | - | 47.8% | - | 54.7% | - | - | - | 67.5% | - | - | - | - | - | 99.1% | - | 86.7% | - | - | 43.9% | - | - | 6.18 | 6.18 | - | 58.3% | 35.6% | - | 0.59 | - | - | 84.0% | 84.0% | - | - | - | 59.6% |
| GPT-5 Nano OpenAI | 83.7% | 10.0% | 705elo | 28 | 67.6% | 9.5% | 67.6% | 52.8% | 62.4% | 43.4% | 55.7% | 46.8% | 68.4% | 40.3% | 78.9% | 30.4% | 72.9% | 78.0% | 53.6% | 30.4% | 36.6% | 34.8% | 67.4% | 12.1% | 36.5% | 0.0% | - | 0.25 | - | 0.21 | - | 6.7% | - | 78.2% | 8.3% | 1.18 | - | 100.0% | 1.38 | 1.38 | 100.0% | 100.0% | - | 26.7% | - | 100.0% | 0.0% | - | 0.0% | 12.0% | - | - | 1.72 | - | - | 29.7% | - | 20.41 | -6.67 | - | - | 82.0% | 82.0% | 40.0% | 48.9% |
2 / 2 models
| Attribute | Claude 4 Sonnet Anthropic | GPT-5 Nano OpenAI |
|---|---|---|
| Description | Claude 4 Sonnet is an AI model from Anthropic. | GPT-5 nano is an AI model from OpenAI. |
| Family | Claude | GPT |
| Params | - | - |
| Open weights | closed | closed |
| License | proprietary | proprietary |
| Released | 22 May 2025 | 7 Aug 2025 |
| Context | 200,000 | 400,000 |
| Input $/1M | - | $0.05 |
| Output $/1M | - | $0.40 |
| Cache read $/1M | - | $0.005 |
| Cache write $/1M | - | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | text, image | text, image, file |
| Providers | - | - |
| Publisher | Anthropic | OpenAI |
| Reported scores |
FAQ
- Is Claude 4 Sonnet or GPT-5 Nano better?
- Across the 25 benchmarks both models report on Sophon, Claude 4 Sonnet leads on 20 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do Claude 4 Sonnet and GPT-5 Nano compare on GPQA Diamond?
- Claude 4 Sonnet scores 77.7% and GPT-5 Nano scores 67.6% on GPQA Diamond.
- When were Claude 4 Sonnet and GPT-5 Nano released?
- Claude 4 Sonnet was released 22 May 2025 by Anthropic. GPT-5 Nano was released 7 Aug 2025 by OpenAI.
Other head-to-heads
56GPT-5 Mini vs GPT-5 Nano38 shared evalsClaude Sonnet 4.5 vs GPT-5 Nano31 shared evalsClaude 4 Sonnet vs GPT-5 Mini29 shared evalsClaude 4 Sonnet vs Claude Sonnet 4.528 shared evalsGPT-5 vs GPT-5 Nano28 shared evalsGPT-4.1 Mini vs GPT-5 Nano26 shared evalsGPT-5 Nano vs GPT-5.226 shared evalsClaude Opus 4.5 vs GPT-5 Nano26 shared evalsClaude 4 Sonnet vs Claude Opus 4.526 shared evalsClaude 4 Sonnet vs GPT-525 shared evalsClaude 4 Sonnet vs GPT-5.225 shared evalsClaude 4 Sonnet vs Gemini 2.5 Pro25 shared evalsGemini 2.5 Pro vs GPT-5 Nano24 shared evalsGPT-5 Nano vs Grok 4.1 Fast24 shared evalsClaude 4 Sonnet vs Grok 4.1 Fast24 shared evalsGPT-5 Nano vs GPT-5.523 shared evalsClaude 4 Sonnet vs GPT-5.523 shared evalsClaude Opus 4.6 vs GPT-5 Nano23 shared evalsGLM 4.7 vs GPT-5 Nano23 shared evalsClaude 4 Sonnet vs Gemini 3.1 Pro Preview23 shared evalsClaude 4 Sonnet vs Kimi K2.523 shared evalsGemini 3.1 Pro Preview vs GPT-5 Nano22 shared evalsClaude Opus 4.8 vs GPT-5 Nano22 shared evalsGPT-5 Nano vs GPT-5.422 shared evalsGPT-5 Nano vs Kimi K2.522 shared evalsClaude Opus 4.7 vs GPT-5 Nano22 shared evalsDeepSeek V3.2 vs GPT-5 Nano22 shared evalsGPT-4.1 Nano vs GPT-5 Nano22 shared evalsGPT-5 Nano vs gpt-oss-120b22 shared evalsClaude 4 Sonnet vs Claude Opus 4.822 shared evalsClaude 4 Sonnet vs Claude Fable 522 shared evalsClaude 4 Sonnet vs Claude Opus 4.622 shared evalsClaude 4 Sonnet vs GPT-5.422 shared evalsClaude 4 Sonnet vs GLM 4.722 shared evalsClaude Fable 5 vs GPT-5 Nano21 shared evalsGLM 5.1 vs GPT-5 Nano21 shared evalsClaude 4 Sonnet vs Claude Opus 4.721 shared evalsClaude 4 Sonnet vs DeepSeek V3.221 shared evalsClaude 4 Sonnet vs gpt-oss-120b21 shared evalsGPT-4.1 vs GPT-5 Nano20 shared evalsClaude Sonnet 4.6 vs GPT-5 Nano20 shared evalsGPT-5.4 Mini vs GPT-5 Nano20 shared evalsClaude 4 Sonnet vs Claude Sonnet 4.620 shared evalsClaude 4 Sonnet vs GLM 5.120 shared evalsClaude 4 Sonnet vs GPT-4o20 shared evalsClaude 4 Sonnet vs GPT-4.1 Mini19 shared evalsGPT-5 Nano vs Qwen3.6 Plus19 shared evalsClaude 4 Sonnet vs GPT-4.119 shared evalsClaude 4 Sonnet vs Qwen3.6 Plus19 shared evalsClaude 4 Sonnet vs GPT-5.4 Mini19 shared evalsGPT-4o vs GPT-5 Nano18 shared evalsClaude 4 Sonnet vs GPT-4o-mini18 shared evalsGPT-4o-mini vs GPT-5 Nano16 shared evalsClaude 4 Sonnet vs GPT-4.1 Nano16 shared evalsGPT-5 Nano vs GPT-6 Astra10 shared evalsClaude 4 Sonnet vs GPT-6 Astra8 shared evals
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