Claude 4 Sonnet vs GPT-6 Astra
Head to head on 8 shared benchmarks, with price, context window, and release dates.
Benchmark scores
68evals · sort by any column, ⤢ to expand fullscreen
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| GPT-6 Astra OpenAI | 2164elo | 82.8 | 96.1% | 54.7% | 48.5% | 87.9% | 46.4% | 56.5% | 59.3% | - | - | 95.0% | 98.5% | 99.9% | 41.4% | - | 95.9% | 91.5% | - | - | 92.0% | - | 74.1% | 100.0% | 42.4% | 53.5% | 53.3% | 97.6% | 37.8% | - | 63.4% | - | 60.3% | - | - | - | - | - | - | - | - | - | - | - | - | 96.3% | 0.84 | 72.6% | - | 99.0% | - | - | 92.7% | 85.4% | 88.0% | - | - | - | - | 57.9% | - | 64.6% | - | 66.6% | 89.6% | - | - | - | 74.5% |
| Claude 4 Sonnet Anthropic | 1480elo | 58.4 | 77.7% | 10.7% | 33.9% | 72.4% | 35.0% | 40.0% | - | 77.3% | 74.3% | - | - | - | - | 22.9% | - | - | 47.8% | 54.7% | - | 19.8% | - | - | - | - | - | - | - | 67.5% | - | 54.7% | - | 64.8% | 77.5% | 54.6% | 44.3% | 72.9% | 70.5% | 69.0% | 65.5% | 99.1% | 86.7% | 84.2% | 62.5% | - | - | - | 43.9% | - | 6.18 | 6.18 | - | - | - | 58.3% | 35.6% | 74.6% | 69.6% | - | 31.1% | - | 0.59 | - | - | 84.0% | 84.0% | 64.6% | 59.6% |
2 / 2 models
| Attribute | Claude 4 Sonnet Anthropic | GPT-6 Astra OpenAI |
|---|---|---|
| Description | Claude 4 Sonnet is an AI model from Anthropic. | OpenAI's GPT-6 flagship, launched as its best computer-use model: it drives browsers, spreadsheets and desktop applications rather than answering questions about them. Built on OpenAI's largest training run to date and the first model it designates Critical for cybersecurity capability. Rolling out from Daybreak enterprise access to ChatGPT and the API; Pro, Business and Enterprise plans also get a GPT-6 Astra Pro tier. |
| Family | Claude | GPT |
| Params | - | - |
| Open weights | closed | closed |
| License | proprietary | - |
| Released | 22 May 2025 | 3 Sep 2026 |
| Context | 200,000 | 1,050,000 |
| Input $/1M | $3.00 | $10.00 |
| Output $/1M | $15.00 | $50.00 |
| Cache read $/1M | - | $1.000 |
| Cache write $/1M | - | $12.500 |
| Speed | 0 tok/s | 63 tok/s |
| Latency | 0.00 s | 198.54 s |
| Modalities | text, image | file, image, text |
| Providers | - | openai |
| Publisher | Anthropic | OpenAI |
| Reported scores |
FAQ
- Is Claude 4 Sonnet or GPT-6 Astra better?
- Across the 8 benchmarks both models report on Sophon, GPT-6 Astra leads on 8 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do Claude 4 Sonnet and GPT-6 Astra compare on GPQA Diamond?
- Claude 4 Sonnet scores 77.7% and GPT-6 Astra scores 96.1% on GPQA Diamond.
- Which is cheaper, Claude 4 Sonnet or GPT-6 Astra?
- Claude 4 Sonnet is cheaper at $15.00 per million output tokens against $50.00 for GPT-6 Astra - about 3.3x.
- When were Claude 4 Sonnet and GPT-6 Astra released?
- Claude 4 Sonnet was released 22 May 2025 by Anthropic. GPT-6 Astra was released 3 Sep 2026 by OpenAI.
Other head-to-heads
56Claude 4 Sonnet vs GPT-5 Mini29 shared evalsClaude 4 Sonnet vs Claude Sonnet 4.528 shared evalsClaude 4 Sonnet vs Claude Opus 4.526 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 4 Sonnet vs Grok 4.1 Fast24 shared evalsClaude 4 Sonnet vs GPT-5.523 shared evalsClaude 4 Sonnet vs Gemini 3.1 Pro Preview23 shared evalsClaude 4 Sonnet vs Kimi K2.523 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 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 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-5.5 vs GPT-6 Astra19 shared evalsClaude Opus 4.8 vs GPT-6 Astra19 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 4 Sonnet vs GPT-4o-mini18 shared evalsClaude Fable 5 vs GPT-6 Astra18 shared evalsGemini 3.1 Pro Preview vs GPT-6 Astra16 shared evalsClaude 4 Sonnet vs GPT-4.1 Nano16 shared evalsClaude Opus 4.7 vs GPT-6 Astra14 shared evalsGLM 5.1 vs GPT-6 Astra14 shared evalsGPT-5.2 vs GPT-6 Astra13 shared evalsClaude Opus 4.6 vs GPT-6 Astra13 shared evalsGPT-5.4 vs GPT-6 Astra13 shared evalsGPT-6 Astra vs Kimi K2.513 shared evalsClaude Sonnet 4.6 vs GPT-6 Astra13 shared evalsGPT-5 Mini vs GPT-6 Astra12 shared evalsGPT-5 vs GPT-6 Astra12 shared evalsGPT-5.4 Mini vs GPT-6 Astra12 shared evalsClaude Sonnet 4.5 vs GPT-6 Astra11 shared evalsClaude Opus 4.5 vs GPT-6 Astra11 shared evalsGPT-6 Astra vs Qwen3.6 Plus11 shared evalsGPT-5 Nano vs GPT-6 Astra10 shared evalsGemini 2.5 Pro vs GPT-6 Astra10 shared evalsGPT-6 Astra vs Grok 4.1 Fast10 shared evalsDeepSeek V3.2 vs GPT-6 Astra9 shared evalsGLM 4.7 vs GPT-6 Astra9 shared evalsGPT-4.1 Mini vs GPT-6 Astra6 shared evalsGPT-4.1 Nano vs GPT-6 Astra6 shared evalsGPT-6 Astra vs gpt-oss-120b6 shared evalsGPT-4.1 vs GPT-6 Astra5 shared evalsGPT-4o-mini vs GPT-6 Astra4 shared evalsGPT-4o vs GPT-6 Astra4 shared evals
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