Gemini 3.1 Pro Preview vs GPT-6 Astra
Head to head on 16 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 | 41.4% | 92.0% | 2164elo | 82.8 | 53.5% | 97.6% | 96.1% | 54.7% | 48.5% | 87.9% | 99.0% | 46.4% | 56.5% | 57.9% | 66.6% | 89.6% | 59.3% | - | 95.0% | 98.5% | 99.9% | 95.9% | - | 91.5% | - | - | - | - | 74.1% | - | 100.0% | 42.4% | 53.3% | - | - | - | 37.8% | - | - | 63.4% | - | - | - | 60.3% | - | - | - | - | - | - | - | - | - | 96.3% | 0.84 | 72.6% | - | 92.7% | 85.4% | - | 88.0% | - | - | - | 64.6% | - | - | - | 74.5% |
| Gemini 3.1 Pro Preview Google (Alphabet Inc.) | 12.3% | 22.0% | 1489elo | 68.2 | 43.0% | 36.9% | 94.1% | 47.0% | 59.1% | 76.1% | 26.0% | 48.7% | 58.7% | 70.7% | 41.9% | 32.0% | - | 76.8% | - | - | - | - | 26.5% | - | 2 | 64.5% | 73.1% | 22.8% | - | 1142elo | - | - | - | 42.5% | 16.7% | 1314elo | - | 93.2% | 15.1% | - | 77.1% | 84.4% | 0.0% | - | 82.4% | 76.5% | 78.5% | 79.1% | 85.4% | 91.0% | 84.0% | 86.3% | 69.4% | - | - | - | 76.2% | - | - | 72.7% | - | 54.2% | 72.9% | 53.8% | - | 79.4 | 56.1% | 95.6% | 58.9% |
2 / 2 models
| Attribute | Gemini 3.1 Pro Preview Google (Alphabet Inc.) | GPT-6 Astra OpenAI |
|---|---|---|
| Description | Gemini 3.1 Pro Preview is an AI model from Google (Alphabet Inc.). | 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 | Gemini | GPT |
| Params | - | - |
| Open weights | - | closed |
| License | - | - |
| Released | 19 Feb 2026 | 3 Sep 2026 |
| Context | 1,048,576 | 1,050,000 |
| Input $/1M | $2.00 | $10.00 |
| Output $/1M | $12.00 | $50.00 |
| Cache read $/1M | $0.200 | $1.000 |
| Cache write $/1M | $0.375 | $12.500 |
| Speed | 123 tok/s | 63 tok/s |
| Latency | 21.66 s | 198.54 s |
| Modalities | audio, file, image, text, video | file, image, text |
| Providers | - | openai |
| Publisher | Google (Alphabet Inc.) | OpenAI |
| Reported scores | GPQA Diamond94.1% (AA) Humanity's Last Exam (HLE)47.0% (AA) IFBench77.1% (AA) τ²-bench (Tau²-bench)95.6% (AA) Terminal-Bench (Hard)53.8% (AA) |
FAQ
- Is Gemini 3.1 Pro Preview or GPT-6 Astra better?
- Across the 16 benchmarks both models report on Sophon, GPT-6 Astra leads on 12 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do Gemini 3.1 Pro Preview and GPT-6 Astra compare on GPQA Diamond?
- Gemini 3.1 Pro Preview scores 94.1% and GPT-6 Astra scores 96.1% on GPQA Diamond.
- Which is cheaper, Gemini 3.1 Pro Preview or GPT-6 Astra?
- Gemini 3.1 Pro Preview is cheaper at $12.00 per million output tokens against $50.00 for GPT-6 Astra - about 4.2x.
- When were Gemini 3.1 Pro Preview and GPT-6 Astra released?
- Gemini 3.1 Pro Preview was released 19 Feb 2026 by Google (Alphabet Inc.). GPT-6 Astra was released 3 Sep 2026 by OpenAI.
Other head-to-heads
56Gemini 3.1 Pro Preview vs GPT-5.541 shared evalsClaude Opus 4.8 vs Gemini 3.1 Pro Preview38 shared evalsClaude Fable 5 vs Gemini 3.1 Pro Preview36 shared evalsGemini 3.1 Pro Preview vs GPT-5.434 shared evalsClaude Sonnet 4.6 vs Gemini 3.1 Pro Preview32 shared evalsGemini 3.1 Pro Preview vs GLM 5.132 shared evalsClaude Opus 4.6 vs Gemini 3.1 Pro Preview31 shared evalsClaude Opus 4.7 vs Gemini 3.1 Pro Preview31 shared evalsGemini 3.1 Pro Preview vs Kimi K2.530 shared evalsGemini 3.1 Pro Preview vs GPT-5.4 Mini30 shared evalsGemini 3.1 Pro Preview vs GPT-5.229 shared evalsClaude Opus 4.5 vs Gemini 3.1 Pro Preview28 shared evalsClaude Sonnet 4.5 vs Gemini 3.1 Pro Preview27 shared evalsGemini 3.1 Pro Preview vs GPT-5 Mini27 shared evalsGemini 3.1 Pro Preview vs Qwen3.6 Plus27 shared evalsGemini 3.1 Pro Preview vs Grok 4.1 Fast25 shared evalsDeepSeek V3.2 vs Gemini 3.1 Pro Preview24 shared evalsClaude 4 Sonnet vs Gemini 3.1 Pro Preview23 shared evalsGemini 3.1 Pro Preview vs GPT-5 Nano22 shared evalsGemini 3.1 Pro Preview vs GLM 4.721 shared evalsGemini 2.5 Pro vs Gemini 3.1 Pro Preview20 shared evalsGemini 3.1 Pro Preview vs GPT-519 shared evalsGPT-5.5 vs GPT-6 Astra19 shared evalsClaude Opus 4.8 vs GPT-6 Astra19 shared evalsGemini 3.1 Pro Preview vs gpt-oss-120b18 shared evalsClaude Fable 5 vs GPT-6 Astra18 shared evalsGemini 3.1 Pro Preview vs GPT-4o14 shared evalsClaude Opus 4.7 vs GPT-6 Astra14 shared evalsGLM 5.1 vs GPT-6 Astra14 shared evalsGemini 3.1 Pro Preview vs GPT-4.113 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 evalsGemini 3.1 Pro Preview vs GPT-4.1 Mini12 shared evalsGPT-5 Mini vs GPT-6 Astra12 shared evalsGPT-5 vs GPT-6 Astra12 shared evalsGemini 3.1 Pro Preview vs GPT-4o-mini12 shared evalsGemini 3.1 Pro Preview vs GPT-4.1 Nano12 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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