Gemini 3.1 Pro Preview vs GPT-5 Nano
Head to head on 22 shared benchmarks, with price, context window, and release dates.
Benchmark scores
75evals · sort by any column, ⤢ to expand fullscreen
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| Gemini 3.1 Pro Preview Google (Alphabet Inc.) | 1491elo | 68.2 | 36.9% | 94.1% | 47.0% | 77.1% | 82.4% | 76.5% | 78.5% | 79.1% | 85.4% | 91.0% | 84.0% | 59.1% | 76.1% | 69.4% | 26.0% | 48.7% | 58.7% | 72.9% | 53.8% | 95.6% | - | - | 76.8% | 12.3% | - | - | 26.5% | - | 2 | 64.5% | 20.0% | 73.1% | 22.8% | - | 1142elo | 43.0% | - | 42.5% | - | 16.7% | 1314elo | 93.2% | 15.1% | - | 84.4% | 0.0% | - | - | - | - | - | 86.3% | - | - | - | - | 76.2% | - | 72.7% | - | - | 54.2% | 70.7% | 79.4 | - | 33.4% | 56.1% | - | - | 32.0% | - | - | - | 58.7% |
| GPT-5 Nano OpenAI | 705elo | 28 | 8.3% | 67.6% | 9.5% | 67.6% | 52.8% | 62.4% | 43.4% | 55.7% | 46.8% | 68.4% | 40.3% | 30.4% | 72.9% | 53.6% | 12.0% | 30.4% | 36.6% | 67.4% | 12.1% | 36.5% | 0.0% | 83.7% | - | - | 0.25 | 0.21 | - | 6.7% | - | - | - | - | - | 10.0% | - | - | 78.2% | - | 1.18 | - | - | - | - | 100.0% | - | - | 78.9% | 1.38 | 1.38 | 100.0% | 100.0% | - | 26.7% | 78.0% | 100.0% | 0.0% | - | 0.0% | - | 1.72 | 34.8% | - | - | - | 29.7% | - | - | 20.41 | -6.67 | - | 82.0% | 82.0% | 40.0% | 48.9% |
2 / 2 models
| Attribute | Gemini 3.1 Pro Preview Google (Alphabet Inc.) | GPT-5 Nano OpenAI |
|---|---|---|
| Description | Gemini 3.1 Pro Preview is an AI model from Google (Alphabet Inc.). | GPT-5 nano is an AI model from OpenAI. |
| Family | Gemini | GPT |
| Params | - | - |
| Open weights | - | closed |
| License | - | proprietary |
| Released | 19 Feb 2026 | 7 Aug 2025 |
| Context | 1,048,576 | 400,000 |
| Input $/1M | $2.00 | $0.05 |
| Output $/1M | $12.00 | $0.40 |
| Cache read $/1M | $0.200 | $0.005 |
| Cache write $/1M | $0.375 | - |
| Speed | 123 tok/s | 0 tok/s |
| Latency | 16.70 s | 0.00 s |
| Modalities | audio, file, image, text, video | text, image, file |
| Providers | - | - |
| 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-5 Nano better?
- Across the 22 benchmarks both models report on Sophon, Gemini 3.1 Pro Preview leads on 22 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-5 Nano compare on GPQA Diamond?
- Gemini 3.1 Pro Preview scores 94.1% and GPT-5 Nano scores 67.6% on GPQA Diamond.
- Which is cheaper, Gemini 3.1 Pro Preview or GPT-5 Nano?
- GPT-5 Nano is cheaper at $0.40 per million output tokens against $12.00 for Gemini 3.1 Pro Preview - about 30.0x.
- When were Gemini 3.1 Pro Preview and GPT-5 Nano released?
- Gemini 3.1 Pro Preview was released 19 Feb 2026 by Google (Alphabet Inc.). GPT-5 Nano was released 7 Aug 2025 by OpenAI.
Other head-to-heads
56Gemini 3.1 Pro Preview vs GPT-5.541 shared evalsGPT-5 Mini vs GPT-5 Nano38 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 Sonnet 4.5 vs GPT-5 Nano31 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 evalsGPT-5 vs GPT-5 Nano28 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 evalsGPT-4.1 Mini vs GPT-5 Nano26 shared evalsGPT-5 Nano vs GPT-5.226 shared evalsClaude Opus 4.5 vs GPT-5 Nano26 shared evalsClaude 4 Sonnet vs GPT-5 Nano25 shared evalsGemini 3.1 Pro Preview vs Grok 4.1 Fast25 shared evalsGemini 2.5 Pro vs GPT-5 Nano24 shared evalsGPT-5 Nano vs Grok 4.1 Fast24 shared evalsDeepSeek V3.2 vs Gemini 3.1 Pro Preview24 shared evalsGPT-5 Nano vs GPT-5.523 shared evalsClaude Opus 4.6 vs GPT-5 Nano23 shared evalsGLM 4.7 vs GPT-5 Nano23 shared evalsClaude 4 Sonnet vs Gemini 3.1 Pro Preview23 shared evalsClaude Opus 4.8 vs GPT-5 Nano22 shared evalsGPT-5 Nano vs GPT-5.422 shared evalsGPT-5 Nano vs Kimi K2.522 shared evalsClaude Opus 4.7 vs GPT-5 Nano22 shared evalsDeepSeek V3.2 vs GPT-5 Nano22 shared evalsGPT-4.1 Nano vs GPT-5 Nano22 shared evalsGPT-5 Nano vs gpt-oss-120b22 shared evalsClaude Fable 5 vs GPT-5 Nano21 shared evalsGLM 5.1 vs GPT-5 Nano21 shared evalsGemini 3.1 Pro Preview vs GLM 4.721 shared evalsGPT-4.1 vs GPT-5 Nano20 shared evalsClaude Sonnet 4.6 vs GPT-5 Nano20 shared evalsGPT-5.4 Mini vs GPT-5 Nano20 shared evalsGemini 2.5 Pro vs Gemini 3.1 Pro Preview20 shared evalsGemini 3.1 Pro Preview vs GPT-519 shared evalsGPT-5 Nano vs Qwen3.6 Plus19 shared evalsGPT-4o vs GPT-5 Nano18 shared evalsGemini 3.1 Pro Preview vs gpt-oss-120b18 shared evalsGPT-4o-mini vs GPT-5 Nano16 shared evalsGemini 3.1 Pro Preview vs GPT-6 Astra16 shared evalsGemini 3.1 Pro Preview vs GPT-4o14 shared evalsGemini 3.1 Pro Preview vs GPT-4.113 shared evalsGemini 3.1 Pro Preview vs GPT-4.1 Mini12 shared evalsGemini 3.1 Pro Preview vs GPT-4o-mini12 shared evalsGemini 3.1 Pro Preview vs GPT-4.1 Nano12 shared evalsGPT-5 Nano vs GPT-6 Astra10 shared evals
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