Claude Sonnet 4.6 vs Gemini 3.1 Pro Preview
Head to head on 32 shared benchmarks, with price, context window, and release dates.
Benchmark scores
51evals · sort by any column, ⤢ to expand fullscreen
| Model | ||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Claude Sonnet 4.6 Anthropic | 47.6% | 1.35 | 65.3% | 78.0% | 1207elo | 1805elo | 79.9 | 51.0% | 32.4% | 79.7% | 11.2% | 42.4% | 92.2% | 78.4% | 80.0% | 76.1% | 63.9% | 77.7% | 86.5% | 86.4% | 67.7% | 72.1% | 45.0% | 46.6% | 44.1% | 77.1% | 42.4% | 76.3 | 50.6% | 60.6% | 51.5% | 78.9% | 87.1% | - | 47.2% | - | - | - | - | - | - | - | - | - | - | - | - | 89.3 | - | - | - | 62.8% |
| Gemini 3.1 Pro Preview Google (Alphabet Inc.) | 12.3% | 2 | 64.5% | 22.0% | 1142elo | 1489elo | 68.2 | 43.0% | 36.9% | 94.1% | 47.0% | 77.1% | 84.4% | 82.4% | 76.5% | 78.5% | 79.1% | 85.4% | 91.0% | 84.0% | 69.4% | 76.2% | 26.0% | 48.7% | 58.9% | 72.9% | 53.8% | 79.4 | 41.9% | 56.1% | 32.0% | 95.6% | - | 76.8% | - | 26.5% | 73.1% | 22.8% | 42.5% | 16.7% | 1314elo | 93.2% | 15.1% | 0.0% | 86.3% | 59.1% | 76.1% | - | 72.7% | 54.2% | 70.7% | 58.9% |
2 / 2 models
| Attribute | Claude Sonnet 4.6 Anthropic | Gemini 3.1 Pro Preview Google (Alphabet Inc.) |
|---|---|---|
| Description | Claude Sonnet 4.6 is an AI model from Anthropic. | Gemini 3.1 Pro Preview is an AI model from Google (Alphabet Inc.). |
| Family | Claude | Gemini |
| Params | - | - |
| Open weights | closed | - |
| License | proprietary | - |
| Released | 17 Feb 2026 | 19 Feb 2026 |
| Context | 1,000,000 | 1,048,576 |
| Input $/1M | $3.00 | $2.00 |
| Output $/1M | $15.00 | $12.00 |
| Cache read $/1M | $0.300 | $0.200 |
| Cache write $/1M | $3.750 | $0.375 |
| Speed | 45 tok/s | 122 tok/s |
| Latency | 1.12 s | 20.68 s |
| Modalities | text, image, file | audio, file, image, text, video |
| Providers | - | - |
| Publisher | Anthropic | Google (Alphabet Inc.) |
| Reported scores | GPQA Diamond79.7% (AA) Humanity's Last Exam (HLE)11.2% (AA) IFBench42.4% (AA) SciCode44.1% (AA) τ²-bench (Tau²-bench)78.9% (AA) | 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 Claude Sonnet 4.6 or Gemini 3.1 Pro Preview better?
- Across the 32 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 Claude Sonnet 4.6 and Gemini 3.1 Pro Preview compare on GPQA Diamond?
- Claude Sonnet 4.6 scores 79.7% and Gemini 3.1 Pro Preview scores 94.1% on GPQA Diamond.
- Which is cheaper, Claude Sonnet 4.6 or Gemini 3.1 Pro Preview?
- Gemini 3.1 Pro Preview is cheaper at $12.00 per million output tokens against $15.00 for Claude Sonnet 4.6 - about 1.3x.
- When were Claude Sonnet 4.6 and Gemini 3.1 Pro Preview released?
- Claude Sonnet 4.6 was released 17 Feb 2026 by Anthropic. Gemini 3.1 Pro Preview was released 19 Feb 2026 by Google (Alphabet Inc.).
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