Gemini 3.1 Pro Preview vs GPT-5
Head to head on 19 shared benchmarks, with price, context window, and release dates.
Benchmark scores
91evals · sort by any column, ⤢ to expand fullscreen
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| Gemini 3.1 Pro Preview Google (Alphabet Inc.) | 64.5% | 1489elo | 68.2 | 36.9% | 93.2% | 94.1% | 47.0% | 77.1% | 84.4% | 59.1% | 76.1% | 69.4% | 26.0% | 48.7% | 58.9% | 72.9% | 53.8% | 32.0% | 95.6% | - | - | - | - | - | 76.8% | - | 12.3% | - | 26.5% | - | - | - | 2 | 22.0% | 73.1% | 22.8% | - | - | - | 1142elo | 43.0% | - | 42.5% | 16.7% | - | 1314elo | - | 15.1% | - | - | 0.0% | - | 82.4% | 76.5% | 78.5% | 79.1% | 85.4% | 91.0% | 84.0% | - | - | - | - | - | - | 86.3% | - | - | - | - | - | - | - | - | - | 76.2% | - | 72.7% | - | - | 54.2% | - | 70.7% | 79.4 | - | - | 41.9% | 56.1% | - | - | - | 58.9% |
| GPT-5 OpenAI | 61.1% | 1623elo | 72.8 | 32.4% | 83.3% | 68.6% | 6.6% | 45.0% | 83.4% | 49.6% | 83.7% | 65.5% | 18.0% | 43.7% | 37.8% | 73.4% | 12.9% | 20.1% | 0.0% | 46.7% | 91.1% | 88.0% | 94.6% | 48.3% | - | 0.0% | - | 0.15 | - | 0.0% | 68.1% | 4.58 | - | - | - | - | 57.7% | 80.0% | 80.0% | - | - | 91.7% | - | - | 0.0% | - | 88.9% | - | 100.0% | 48.9% | - | 58.2% | - | - | - | - | - | - | - | 54.3% | 37.5% | 0.52 | 1.62 | 100.0% | 86.1% | - | 0.0% | 92.7% | 92.7% | 93.3% | 10.0% | 82.0% | 0.0% | 60.0% | 0.26 | - | 0.0% | - | 74.9% | 74.4% | - | 2.34 | - | - | 87.5% | 0.86 | - | - | 54.8% | 90.0% | 90.0% | 56.7% |
2 / 2 models
| Attribute | Gemini 3.1 Pro Preview Google (Alphabet Inc.) | GPT-5 OpenAI |
|---|---|---|
| Description | Gemini 3.1 Pro Preview is an AI model from Google (Alphabet Inc.). | OpenAI's August 2025 unified frontier model that auto-routes between a fast model and a deeper "thinking" variant. |
| Family | Gemini | GPT 5 |
| Params | - | Undisclosed (closed) |
| Open weights | - | closed |
| License | - | Proprietary |
| Released | 19 Feb 2026 | 7 Aug 2025 |
| Context | 1,048,576 | 400,000 |
| Input $/1M | $2.00 | - |
| Output $/1M | $12.00 | - |
| Cache read $/1M | $0.200 | $0.125 |
| Cache write $/1M | $0.375 | - |
| Speed | 122 tok/s | 0 tok/s |
| Latency | 20.68 s | 0.00 s |
| Modalities | audio, file, image, text, video | text, image, file |
| Providers | - | openai |
| Publisher | Google (Alphabet Inc.) | OpenAI |
| Reported scores | GPQA Diamond94.1% (AA) Humanity's Last Exam (HLE)47.0% (AA) IFBench77.1% (AA) SciCode58.9% (AA) τ²-bench (Tau²-bench)95.6% (AA) |
FAQ
- Is Gemini 3.1 Pro Preview or GPT-5 better?
- Across the 19 benchmarks both models report on Sophon, Gemini 3.1 Pro Preview leads on 15 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 compare on GPQA Diamond?
- Gemini 3.1 Pro Preview scores 94.1% and GPT-5 scores 68.6% on GPQA Diamond.
- When were Gemini 3.1 Pro Preview and GPT-5 released?
- Gemini 3.1 Pro Preview was released 19 Feb 2026 by Google (Alphabet Inc.). GPT-5 was released 7 Aug 2025 by OpenAI.
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