Claude Sonnet 4.6 vs GPT-4o
Head to head on 14 shared benchmarks, with price, context window, and release dates.
Benchmark scores
54evals · sort by any column, ⤢ to expand fullscreen
| Model | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Claude Sonnet 4.6 Anthropic | 65.3% | 32.4% | 87.5% | 33.6% | 56.6% | 78.4% | 80.0% | 63.9% | 77.7% | 67.7% | 50.1% | 77.1% | 53.0% | 75.7% | 87.1% | - | - | - | - | 47.2% | 47.6% | - | - | 1.35 | 76.0% | - | 1207elo | 1810elo | 79.9 | 51.0% | - | 92.2% | - | 76.1% | 86.5% | 86.4% | - | - | - | - | 89.3 | 72.1% | - | 45.0% | 46.6% | - | - | - | 76.3 | - | 50.6% | 60.6% | 51.5% | - | 64.7% |
| GPT-4o OpenAI | 45.9% | 0.3% | 54.3% | 2.4% | 34.3% | 55.1% | 46.1% | 70.1% | 49.0% | 57.4% | 33.3% | 74.5% | 8.3% | 25.1% | - | 18.2% | 15.0% | 6.0% | 38 | - | - | 0.0% | 0.33 | - | - | 6.1% | - | - | - | - | 96.1 | - | 0.0% | - | - | - | 30.9% | 75.9% | 10.8% | 74.8% | - | - | 54.0% | - | - | 5.71 | 21.6% | 61.2 | - | 0.98 | - | - | - | 32.5% | 33.4% |
2 / 2 models
| Attribute | Claude Sonnet 4.6 Anthropic | GPT-4o OpenAI |
|---|---|---|
| Description | Claude Sonnet 4.6 is an AI model from Anthropic. | GPT-4o is an AI model from OpenAI. |
| Family | Claude | GPT |
| Params | - | - |
| Open weights | closed | closed |
| License | proprietary | proprietary |
| Released | 17 Feb 2026 | 20 Nov 2024 |
| Context | 1,000,000 | 128,000 |
| Input $/1M | $3.00 | $2.50 |
| Output $/1M | $15.00 | $10.00 |
| Cache read $/1M | $0.300 | $1.250 |
| Cache write $/1M | $3.750 | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | text, image, file | text, image, file |
| Providers | - | - |
| Publisher | Anthropic | OpenAI |
| Reported scores | Taubench61.2 pass^1 GSM8K96.1 Accuracy ScholarSearch5.71 Social Sciences & Humanities (%) MortgageTax57.4% AIME202438 pass@1 |
FAQ
- Is Claude Sonnet 4.6 or GPT-4o better?
- Across the 14 benchmarks both models report on Sophon, Claude Sonnet 4.6 leads on 13 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do Claude Sonnet 4.6 and GPT-4o compare on GPQA Diamond?
- Claude Sonnet 4.6 scores 87.5% and GPT-4o scores 54.3% on GPQA Diamond.
- Which is cheaper, Claude Sonnet 4.6 or GPT-4o?
- GPT-4o is cheaper at $10.00 per million output tokens against $15.00 for Claude Sonnet 4.6 - about 1.5x.
- When were Claude Sonnet 4.6 and GPT-4o released?
- Claude Sonnet 4.6 was released 17 Feb 2026 by Anthropic. GPT-4o was released 20 Nov 2024 by OpenAI.
Other head-to-heads
56Claude Sonnet 4.6 vs Gemini 3.1 Pro Preview32 shared evalsClaude Sonnet 4.6 vs GPT-5.530 shared evalsClaude Opus 4.8 vs Claude Sonnet 4.629 shared evalsClaude Opus 4.7 vs Claude Sonnet 4.629 shared evalsClaude Fable 5 vs Claude Sonnet 4.628 shared evalsClaude Opus 4.6 vs Claude Sonnet 4.628 shared evalsClaude Sonnet 4.6 vs GPT-5.428 shared evalsClaude Sonnet 4.6 vs GPT-5.4 Mini28 shared evalsClaude Sonnet 4.6 vs Kimi K2.527 shared evalsClaude Sonnet 4.6 vs Qwen3.6 Plus26 shared evalsClaude Sonnet 4.6 vs GLM 5.125 shared evalsClaude Sonnet 4.5 vs Claude Sonnet 4.624 shared evalsClaude Sonnet 4.6 vs GPT-5.224 shared evalsClaude Sonnet 4.6 vs GPT-5 Mini23 shared evalsClaude Opus 4.5 vs Claude Sonnet 4.623 shared evalsClaude Sonnet 4.6 vs DeepSeek V3.223 shared evalsClaude Sonnet 4.6 vs Grok 4.1 Fast22 shared evalsGemini 2.5 Pro vs GPT-4o22 shared evalsClaude Sonnet 4.5 vs GPT-4o21 shared evalsGPT-4o vs GPT-4o-mini21 shared evalsGPT-4.1 Mini vs GPT-4o20 shared evalsGPT-4o vs GPT-5 Mini20 shared evalsClaude Sonnet 4.6 vs GPT-5 Nano20 shared evalsClaude 4 Sonnet vs Claude Sonnet 4.620 shared evalsClaude 4 Sonnet vs GPT-4o20 shared evalsGPT-4o vs GPT-519 shared evalsGPT-4.1 vs GPT-4o19 shared evalsClaude Sonnet 4.6 vs Gemini 2.5 Pro19 shared evalsClaude Sonnet 4.6 vs GLM 4.719 shared evalsGPT-4o vs GPT-5 Nano18 shared evalsGPT-4o vs GPT-5.218 shared evalsClaude Opus 4.5 vs GPT-4o18 shared evalsClaude Sonnet 4.6 vs gpt-oss-120b18 shared evalsDeepSeek V3.2 vs GPT-4o18 shared evalsGPT-4o vs gpt-oss-120b17 shared evalsClaude Sonnet 4.6 vs GPT-516 shared evalsGPT-4.1 Nano vs GPT-4o16 shared evalsGPT-4o vs Grok 4.1 Fast16 shared evalsGLM 4.7 vs GPT-4o16 shared evalsGPT-4o vs GPT-5.515 shared evalsClaude Opus 4.6 vs GPT-4o15 shared evalsGPT-4o vs Kimi K2.515 shared evalsGemini 3.1 Pro Preview vs GPT-4o14 shared evalsClaude Opus 4.8 vs GPT-4o14 shared evalsGPT-4o vs GPT-5.414 shared evalsGLM 5.1 vs GPT-4o14 shared evalsClaude Opus 4.7 vs GPT-4o14 shared evalsGPT-4o vs Qwen3.6 Plus14 shared evalsGPT-4o vs GPT-5.4 Mini14 shared evalsClaude Fable 5 vs GPT-4o13 shared evalsClaude Sonnet 4.6 vs GPT-6 Astra13 shared evalsClaude Sonnet 4.6 vs GPT-4.1 Mini12 shared evalsClaude Sonnet 4.6 vs GPT-4.112 shared evalsClaude Sonnet 4.6 vs GPT-4o-mini12 shared evalsClaude Sonnet 4.6 vs GPT-4.1 Nano12 shared evalsGPT-4o vs GPT-6 Astra4 shared evals
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