Gemini 2.5 Pro vs GPT-6 Astra
Head to head on 10 shared benchmarks, with price, context window, and release dates.
Benchmark scores
59evals · sort by any column, ⤢ to expand fullscreen
| Model | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GPT-6 Astra OpenAI | 2164elo | 82.8 | 97.6% | 96.1% | 54.7% | 48.5% | 87.9% | 46.4% | 56.5% | 89.6% | 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% | 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% | - | - | 74.5% |
| Gemini 2.5 Pro Google (Alphabet Inc.) | 1419elo | 58.8 | 14.1% | 84.4% | 22.5% | 50.6% | 73.6% | 41.9% | 42.8% | 0.4% | - | 83.1% | 88.7% | 87.7% | 50.4% | - | - | - | - | - | - | 60.8% | - | 45.2% | 15.9% | - | - | - | - | - | - | - | 48.7% | - | 77.9% | 86.7% | 81.0% | 65.9% | 80.1% | 96.7% | 86.2% | 68.9% | 70.0% | - | - | - | - | - | - | 55.6 | - | 53.6% | 72.9% | - | 26.5% | - | - | 53.3% | 54.1% | 59.5% |
2 / 2 models
| Attribute | Gemini 2.5 Pro Google (Alphabet Inc.) | GPT-6 Astra OpenAI |
|---|---|---|
| Description | Gemini 2.5 Pro 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 | closed |
| License | proprietary | - |
| Released | 5 Jun 2025 | 3 Sep 2026 |
| Context | 1,048,576 | 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 | $0.375 | $12.500 |
| Speed | 0 tok/s | 63 tok/s |
| Latency | 0.00 s | 198.54 s |
| Modalities | text, image, file, audio, video | file, image, text |
| Providers | - | openai |
| Publisher | Google (Alphabet Inc.) | OpenAI |
| Reported scores |
FAQ
- Is Gemini 2.5 Pro or GPT-6 Astra better?
- Across the 10 benchmarks both models report on Sophon, GPT-6 Astra leads on 9 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do Gemini 2.5 Pro and GPT-6 Astra compare on GPQA Diamond?
- Gemini 2.5 Pro scores 84.4% and GPT-6 Astra scores 96.1% on GPQA Diamond.
- Which is cheaper, Gemini 2.5 Pro or GPT-6 Astra?
- Gemini 2.5 Pro is cheaper at $10.00 per million output tokens against $50.00 for GPT-6 Astra - about 5.0x.
- When were Gemini 2.5 Pro and GPT-6 Astra released?
- Gemini 2.5 Pro was released 5 Jun 2025 by Google (Alphabet Inc.). GPT-6 Astra was released 3 Sep 2026 by OpenAI.
Other head-to-heads
56Claude Sonnet 4.5 vs Gemini 2.5 Pro26 shared evalsGemini 2.5 Pro vs GPT-5 Mini26 shared evalsClaude 4 Sonnet vs Gemini 2.5 Pro25 shared evalsGemini 2.5 Pro vs GPT-524 shared evalsGemini 2.5 Pro vs GPT-5 Nano24 shared evalsGemini 2.5 Pro vs GPT-5.224 shared evalsClaude Opus 4.5 vs Gemini 2.5 Pro24 shared evalsGemini 2.5 Pro vs GPT-5.522 shared evalsGemini 2.5 Pro vs GPT-4o22 shared evalsGemini 2.5 Pro vs Grok 4.1 Fast22 shared evalsClaude Opus 4.6 vs Gemini 2.5 Pro21 shared evalsGemini 2.5 Pro vs Kimi K2.521 shared evalsDeepSeek V3.2 vs Gemini 2.5 Pro21 shared evalsGemini 2.5 Pro vs Gemini 3.1 Pro Preview20 shared evalsClaude Opus 4.8 vs Gemini 2.5 Pro20 shared evalsGemini 2.5 Pro vs GPT-5.420 shared evalsClaude Opus 4.7 vs Gemini 2.5 Pro20 shared evalsGemini 2.5 Pro vs GLM 4.720 shared evalsGemini 2.5 Pro vs GPT-4.1 Mini19 shared evalsGPT-5.5 vs GPT-6 Astra19 shared evalsClaude Opus 4.8 vs GPT-6 Astra19 shared evalsClaude Fable 5 vs Gemini 2.5 Pro19 shared evalsGemini 2.5 Pro vs GPT-4.119 shared evalsGemini 2.5 Pro vs GPT-4o-mini19 shared evalsClaude Sonnet 4.6 vs Gemini 2.5 Pro19 shared evalsGemini 2.5 Pro vs GLM 5.119 shared evalsGemini 2.5 Pro vs gpt-oss-120b19 shared evalsClaude Fable 5 vs GPT-6 Astra18 shared evalsGemini 2.5 Pro vs Qwen3.6 Plus18 shared evalsGemini 2.5 Pro vs GPT-4.1 Nano18 shared evalsGemini 2.5 Pro vs GPT-5.4 Mini18 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-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 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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