Gemini 2.5 Pro vs Gemini 3.1 Pro Preview
Head to head on 20 shared benchmarks, with price, context window, and release dates.
Benchmark scores
61evals · sort by any column, ⤢ to expand fullscreen
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| Gemini 2.5 Pro Google (Alphabet Inc.) | 60.8% | 1419elo | 58.8 | 14.1% | 84.4% | 22.5% | 48.7% | 77.9% | 86.7% | 81.0% | 65.9% | 50.6% | 73.6% | 68.9% | 41.9% | 42.8% | 72.9% | 26.5% | 0.4% | 54.1% | 83.1% | 88.7% | 87.7% | - | 50.4% | - | - | - | - | - | - | 45.2% | 15.9% | - | - | - | - | - | - | - | - | - | - | - | - | 80.1% | 96.7% | - | 86.2% | 70.0% | - | - | - | 55.6 | 53.6% | - | - | - | - | - | 53.3% | 59.5% |
| Gemini 3.1 Pro Preview Google (Alphabet Inc.) | 64.5% | 1489elo | 68.2 | 36.9% | 94.1% | 47.0% | 77.1% | 82.4% | 76.5% | 79.1% | 85.4% | 59.1% | 76.1% | 69.4% | 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 | 93.2% | 15.1% | 84.4% | 0.0% | 78.5% | 91.0% | 84.0% | - | - | 86.3% | - | - | 76.2% | 26.0% | 72.7% | - | - | 54.2% | 70.7% | 79.4 | 41.9% | 56.1% | - | 58.9% |
2 / 2 models
| Attribute | Gemini 2.5 Pro Google (Alphabet Inc.) | Gemini 3.1 Pro Preview Google (Alphabet Inc.) |
|---|---|---|
| Description | Gemini 2.5 Pro is an AI model from Google (Alphabet Inc.). | Gemini 3.1 Pro Preview is an AI model from Google (Alphabet Inc.). |
| Family | Gemini | Gemini |
| Params | - | - |
| Open weights | closed | - |
| License | proprietary | - |
| Released | 5 Jun 2025 | 19 Feb 2026 |
| Context | 1,048,576 | 1,048,576 |
| Input $/1M | $1.25 | $2.00 |
| Output $/1M | $10.00 | $12.00 |
| Cache read $/1M | $0.125 | $0.200 |
| Cache write $/1M | $0.375 | $0.375 |
| Speed | 0 tok/s | 122 tok/s |
| Latency | 0.00 s | 20.68 s |
| Modalities | text, image, file, audio, video | audio, file, image, text, video |
| Providers | - | - |
| Publisher | Google (Alphabet Inc.) | Google (Alphabet Inc.) |
| 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 2.5 Pro or Gemini 3.1 Pro Preview better?
- Across the 20 benchmarks both models report on Sophon, Gemini 3.1 Pro Preview leads on 17 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do Gemini 2.5 Pro and Gemini 3.1 Pro Preview compare on GPQA Diamond?
- Gemini 2.5 Pro scores 84.4% and Gemini 3.1 Pro Preview scores 94.1% on GPQA Diamond.
- Which is cheaper, Gemini 2.5 Pro or Gemini 3.1 Pro Preview?
- Gemini 2.5 Pro is cheaper at $10.00 per million output tokens against $12.00 for Gemini 3.1 Pro Preview - about 1.2x.
- When were Gemini 2.5 Pro and Gemini 3.1 Pro Preview released?
- Gemini 2.5 Pro was released 5 Jun 2025 by Google (Alphabet Inc.). Gemini 3.1 Pro Preview was released 19 Feb 2026 by Google (Alphabet Inc.).
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