Claude 4 Sonnet vs Claude Sonnet 4.6
Head to head on 20 shared benchmarks, with price, context window, and release dates.
Benchmark scores
55evals · sort by any column, ⤢ to expand fullscreen
| Model | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Claude Sonnet 4.6 Anthropic | 65.3% | 1810elo | 79.9 | 87.5% | 33.6% | 56.6% | 78.4% | 80.0% | 76.1% | 63.9% | 77.7% | 86.5% | 86.4% | 67.7% | 72.1% | 46.6% | 50.1% | 77.1% | 53.0% | 75.7% | 87.1% | - | - | 47.2% | 47.6% | - | - | 1.35 | 76.0% | - | 1207elo | 51.0% | 32.4% | - | 92.2% | - | - | - | - | - | - | 89.3 | 45.0% | - | - | - | - | - | 76.3 | - | 50.6% | 60.6% | 51.5% | - | - | 64.7% |
| Claude 4 Sonnet Anthropic | 54.7% | 1483elo | 58.4 | 77.7% | 10.7% | 54.7% | 64.8% | 77.5% | 54.6% | 44.3% | 72.9% | 70.5% | 69.0% | 62.5% | 43.9% | 35.0% | 40.0% | 69.6% | 31.1% | 64.6% | - | 77.3% | 74.3% | - | - | 22.9% | 47.8% | - | - | 19.8% | - | - | - | 67.5% | - | 65.5% | 99.1% | 33.9% | 72.4% | 86.7% | 84.2% | - | - | 6.18 | 6.18 | 58.3% | 35.6% | 74.6% | - | 0.59 | - | - | - | 84.0% | 84.0% | 59.6% |
2 / 2 models
| Attribute | Claude 4 Sonnet Anthropic | Claude Sonnet 4.6 Anthropic |
|---|---|---|
| Description | Claude 4 Sonnet is an AI model from Anthropic. | Claude Sonnet 4.6 is an AI model from Anthropic. |
| Family | Claude | Claude |
| Params | - | - |
| Open weights | closed | closed |
| License | proprietary | proprietary |
| Released | 22 May 2025 | 17 Feb 2026 |
| Context | 200,000 | 1,000,000 |
| Input $/1M | - | $3.00 |
| Output $/1M | - | $15.00 |
| Cache read $/1M | - | $0.300 |
| Cache write $/1M | - | $3.750 |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | text, image | text, image, file |
| Providers | - | - |
| Publisher | Anthropic | Anthropic |
| Reported scores |
FAQ
- Is Claude 4 Sonnet or Claude Sonnet 4.6 better?
- Across the 20 benchmarks both models report on Sophon, Claude Sonnet 4.6 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 Claude Sonnet 4.6 compare on GPQA Diamond?
- Claude 4 Sonnet scores 77.7% and Claude Sonnet 4.6 scores 87.5% on GPQA Diamond.
- When were Claude 4 Sonnet and Claude Sonnet 4.6 released?
- Claude 4 Sonnet was released 22 May 2025 by Anthropic. Claude Sonnet 4.6 was released 17 Feb 2026 by Anthropic.
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 4 Sonnet vs GPT-5 Mini29 shared evalsClaude Opus 4.8 vs Claude Sonnet 4.629 shared evalsClaude Opus 4.7 vs Claude Sonnet 4.629 shared evalsClaude 4 Sonnet vs Claude Sonnet 4.528 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 4 Sonnet vs Claude Opus 4.526 shared evalsClaude Sonnet 4.6 vs Qwen3.6 Plus26 shared evalsClaude 4 Sonnet vs GPT-525 shared evalsClaude 4 Sonnet vs GPT-5 Nano25 shared evalsClaude 4 Sonnet vs GPT-5.225 shared evalsClaude 4 Sonnet vs Gemini 2.5 Pro25 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 4 Sonnet vs Grok 4.1 Fast24 shared evalsClaude Sonnet 4.6 vs GPT-5 Mini23 shared evalsClaude 4 Sonnet vs GPT-5.523 shared evalsClaude 4 Sonnet vs Gemini 3.1 Pro Preview23 shared evalsClaude Opus 4.5 vs Claude Sonnet 4.623 shared evalsClaude 4 Sonnet vs Kimi K2.523 shared evalsClaude Sonnet 4.6 vs DeepSeek V3.223 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 Sonnet 4.6 vs Grok 4.1 Fast22 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 evalsClaude Sonnet 4.6 vs GPT-5 Nano20 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 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 evalsClaude Sonnet 4.6 vs Gemini 2.5 Pro19 shared evalsClaude Sonnet 4.6 vs GLM 4.719 shared evalsClaude 4 Sonnet vs GPT-4o-mini18 shared evalsClaude Sonnet 4.6 vs gpt-oss-120b18 shared evalsClaude Sonnet 4.6 vs GPT-516 shared evalsClaude 4 Sonnet vs GPT-4.1 Nano16 shared evalsClaude Sonnet 4.6 vs GPT-4o14 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 evalsClaude 4 Sonnet vs GPT-6 Astra8 shared evals
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