GPT-5 vs GPT-6 Astra
Head to head on 12 shared benchmarks, with price, context window, and release dates.
Benchmark scores
86evals · sort by any column, ⤢ to expand fullscreen
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| GPT-6 Astra OpenAI | 91.5% | 2164elo | 82.8 | 97.6% | 96.1% | 54.7% | 48.5% | 87.9% | 99.0% | 46.4% | 56.5% | 89.6% | - | - | 59.3% | - | - | - | 95.0% | - | 98.5% | 99.9% | 41.4% | - | 95.9% | - | - | - | 92.0% | - | - | - | 74.1% | 100.0% | 42.4% | 53.5% | - | 53.3% | - | 37.8% | - | - | - | 63.4% | - | - | - | - | 60.3% | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 96.3% | 0.84 | 72.6% | - | 92.7% | 85.4% | 88.0% | - | - | - | - | 57.9% | - | 64.6% | - | - | 66.6% | - | - | - | - | 74.5% |
| GPT-5 OpenAI | 0.0% | 1624elo | 72.8 | 32.4% | 85.4% | 28.5% | 49.6% | 83.7% | 18.0% | 43.7% | 42.9% | 20.1% | 46.7% | 91.1% | - | 88.0% | 94.6% | 94.3% | - | 0.0% | - | - | - | 0.15 | - | 68.1% | 4.58 | 61.1% | - | 57.7% | 80.0% | 80.0% | - | - | - | - | 91.7% | - | 0.0% | - | 88.9% | 83.3% | 100.0% | - | 48.9% | 73.1% | 83.4% | 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% | 65.5% | 60.0% | 0.26 | - | - | - | 0.0% | - | - | - | 74.9% | 74.4% | 2.34 | 73.4% | - | 32.6% | - | 87.5% | 0.86 | - | 54.8% | 90.0% | 90.0% | 84.8% | 61.9% |
2 / 2 models
| Attribute | GPT-5 OpenAI | GPT-6 Astra OpenAI |
|---|---|---|
| Description | OpenAI's August 2025 unified frontier model that auto-routes between a fast model and a deeper "thinking" variant. | 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 | GPT 5 | GPT |
| Params | Undisclosed (closed) | - |
| Open weights | closed | closed |
| License | proprietary | - |
| Released | 7 Aug 2025 | 3 Sep 2026 |
| Context | 400,000 | 1,050,000 |
| Input $/1M | $1.25 | $10.00 |
| Output $/1M | $10.00 | $50.00 |
| Cache read $/1M | $0.125 | $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 | file, image, text |
| Providers | openai | openai |
| Publisher | OpenAI | OpenAI |
| Reported scores | SWE-bench74.9% (Verified) GPQA Diamond85.4% (AA) Humanity's Last Exam (HLE)28.5% (AA) IFBench73.1% (AA) |
FAQ
- Is GPT-5 or GPT-6 Astra better?
- Across the 12 benchmarks both models report on Sophon, GPT-6 Astra leads on 11 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do GPT-5 and GPT-6 Astra compare on GPQA Diamond?
- GPT-5 scores 85.4% and GPT-6 Astra scores 96.1% on GPQA Diamond.
- Which is cheaper, GPT-5 or GPT-6 Astra?
- GPT-5 is cheaper at $10.00 per million output tokens against $50.00 for GPT-6 Astra - about 5.0x.
- When were GPT-5 and GPT-6 Astra released?
- GPT-5 was released 7 Aug 2025 by OpenAI. GPT-6 Astra was released 3 Sep 2026 by OpenAI.
Other head-to-heads
56GPT-4.1 Mini vs GPT-541 shared evalsGPT-5 vs GPT-5 Mini36 shared evalsClaude Sonnet 4.5 vs GPT-531 shared evalsGPT-5 vs GPT-5 Nano28 shared evalsGPT-4.1 vs GPT-528 shared evalsClaude 4 Sonnet vs GPT-525 shared evalsGemini 2.5 Pro vs GPT-524 shared evalsGPT-5 vs GPT-5.223 shared evalsClaude Opus 4.5 vs GPT-523 shared evalsGPT-4.1 Nano vs GPT-521 shared evalsGPT-5 vs Grok 4.1 Fast20 shared evalsGemini 3.1 Pro Preview vs GPT-519 shared evalsClaude Opus 4.6 vs GPT-519 shared evalsGPT-5 vs GPT-5.419 shared evalsGPT-4o vs GPT-519 shared evalsDeepSeek V3.2 vs GPT-519 shared evalsGPT-5.5 vs GPT-6 Astra19 shared evalsClaude Opus 4.8 vs GPT-6 Astra19 shared evalsGPT-5 vs GPT-5.518 shared evalsGPT-5 vs Kimi K2.518 shared evalsClaude Fable 5 vs GPT-6 Astra18 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 evalsGemini 3.1 Pro Preview vs GPT-6 Astra16 shared evalsGPT-5 vs Qwen3.6 Plus15 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-5.4 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 evalsClaude 4 Sonnet vs GPT-6 Astra8 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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