GPT-5.4 Mini vs GPT-6 Astra
Head to head on 12 shared benchmarks, with price, context window, and release dates.
Benchmark scores
54evals · sort by any column, ⤢ to expand fullscreen
| Model | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GPT-6 Astra OpenAI | 41.4% | 2164elo | 82.8 | 53.5% | 97.6% | 96.1% | 54.7% | 99.0% | 46.4% | 56.5% | 66.6% | 89.6% | 59.3% | 95.0% | 98.5% | 99.9% | 95.9% | 91.5% | - | 92.0% | - | - | 74.1% | 100.0% | 42.4% | 53.3% | 37.8% | 63.4% | - | - | 60.3% | - | - | - | - | - | - | - | 48.5% | 87.9% | - | 96.3% | 0.84 | 72.6% | 92.7% | 85.4% | 88.0% | - | 57.9% | - | 64.6% | - | - | - | 74.5% |
| GPT-5.4 Mini OpenAI | 37.0% | 1662elo | 73 | 45.4% | 28.3% | 87.5% | 28.1% | 21.0% | 50.8% | 49.9% | 39.6% | 48.0% | - | - | - | - | - | - | 60.9% | - | 21.2% | 3.9% | - | - | - | - | - | - | 73.3% | 80.3% | - | 70.9% | 71.6% | 70.9% | 60.3% | 71.5% | 78.6% | 72.5% | - | - | 63.5% | - | - | - | - | - | - | 71.2% | - | 52.3% | - | 61.7 | 54.2% | 83.3% | 55.4% |
2 / 2 models
| Attribute | GPT-5.4 Mini OpenAI | GPT-6 Astra OpenAI |
|---|---|---|
| Description | GPT-5.4 mini is an AI model from OpenAI. | 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 | GPT |
| Params | - | - |
| Open weights | closed | closed |
| License | proprietary | - |
| Released | 17 Mar 2026 | 3 Sep 2026 |
| Context | 400,000 | 1,050,000 |
| Input $/1M | $0.75 | $10.00 |
| Output $/1M | $4.50 | $50.00 |
| Cache read $/1M | $0.075 | $1.000 |
| Cache write $/1M | - | $12.500 |
| Speed | 0 tok/s | 63 tok/s |
| Latency | 0.00 s | 198.54 s |
| Modalities | file, image, text | file, image, text |
| Providers | - | openai |
| Publisher | OpenAI | OpenAI |
| Reported scores |
FAQ
- Is GPT-5.4 Mini 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-5.4 Mini and GPT-6 Astra compare on GPQA Diamond?
- GPT-5.4 Mini scores 87.5% and GPT-6 Astra scores 96.1% on GPQA Diamond.
- Which is cheaper, GPT-5.4 Mini or GPT-6 Astra?
- GPT-5.4 Mini is cheaper at $4.50 per million output tokens against $50.00 for GPT-6 Astra - about 11.1x.
- When were GPT-5.4 Mini and GPT-6 Astra released?
- GPT-5.4 Mini was released 17 Mar 2026 by OpenAI. GPT-6 Astra was released 3 Sep 2026 by OpenAI.
Other head-to-heads
56Gemini 3.1 Pro Preview vs GPT-5.4 Mini30 shared evalsClaude Sonnet 4.6 vs GPT-5.4 Mini28 shared evalsGPT-5.4 Mini vs GPT-5.427 shared evalsGPT-5.4 Mini vs GPT-5.526 shared evalsClaude Opus 4.8 vs GPT-5.4 Mini26 shared evalsClaude Opus 4.7 vs GPT-5.4 Mini26 shared evalsGPT-5.4 Mini vs GPT-5.225 shared evalsClaude Opus 4.5 vs GPT-5.4 Mini25 shared evalsClaude Fable 5 vs GPT-5.4 Mini25 shared evalsClaude Opus 4.6 vs GPT-5.4 Mini25 shared evalsGPT-5.4 Mini vs Kimi K2.525 shared evalsGPT-5.4 Mini vs GPT-5 Mini24 shared evalsGLM 5.1 vs GPT-5.4 Mini24 shared evalsGPT-5.4 Mini vs Qwen3.6 Plus24 shared evalsClaude Sonnet 4.5 vs GPT-5.4 Mini23 shared evalsDeepSeek V3.2 vs GPT-5.4 Mini22 shared evalsGPT-5.4 Mini vs Grok 4.1 Fast22 shared evalsGPT-5.4 Mini vs GPT-5 Nano20 shared evalsGPT-5.5 vs GPT-6 Astra19 shared evalsClaude Opus 4.8 vs GPT-6 Astra19 shared evalsClaude 4 Sonnet vs GPT-5.4 Mini19 shared evalsGLM 4.7 vs GPT-5.4 Mini19 shared evalsClaude Fable 5 vs GPT-6 Astra18 shared evalsGemini 2.5 Pro vs GPT-5.4 Mini18 shared evalsGPT-5.4 Mini vs gpt-oss-120b17 shared evalsGPT-5 vs GPT-5.4 Mini16 shared evalsGemini 3.1 Pro Preview vs GPT-6 Astra16 shared evalsClaude Opus 4.7 vs GPT-6 Astra14 shared evalsGLM 5.1 vs GPT-6 Astra14 shared evalsGPT-4o vs GPT-5.4 Mini14 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-4o-mini vs GPT-5.4 Mini12 shared evalsGPT-4.1 Nano vs GPT-5.4 Mini12 shared evalsGPT-4.1 Mini vs GPT-5.4 Mini11 shared evalsClaude Sonnet 4.5 vs GPT-6 Astra11 shared evalsClaude Opus 4.5 vs GPT-6 Astra11 shared evalsGPT-4.1 vs GPT-5.4 Mini11 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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