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% | 76.0% | 1207elo | 1810elo | 79.9 | 51.0% | 32.4% | 87.5% | 33.6% | 56.6% | 92.2% | 78.4% | 80.0% | 76.1% | 63.9% | 77.7% | 86.5% | 86.4% | 67.7% | 72.1% | 45.0% | 46.6% | 50.1% | 77.1% | 53.0% | 76.3 | 50.6% | 60.6% | 51.5% | 75.7% | 87.1% | - | 47.2% | - | - | - | - | - | - | - | - | - | - | - | - | 89.3 | - | - | - | 64.7% |
| Gemini 3.1 Pro Preview Google (Alphabet Inc.) | 12.3% | 2 | 64.5% | 20.0% | 1142elo | 1491elo | 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% | 58.7% | 72.9% | 53.8% | 79.4 | 33.4% | 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% | 58.7% |
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 | 0 tok/s | 118 tok/s |
| Latency | 0.00 s | 15.11 s |
| Modalities | text, image, file | audio, file, image, text, video |
| Providers | - | - |
| Publisher | Anthropic | Google (Alphabet Inc.) |
| 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 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 87.5% 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.).
Other head-to-heads
56Gemini 3.1 Pro Preview vs GPT-5.541 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 evalsGemini 3.1 Pro Preview vs GLM 5.132 shared evalsClaude Opus 4.6 vs Gemini 3.1 Pro Preview31 shared evalsClaude Opus 4.7 vs Gemini 3.1 Pro Preview31 shared evalsClaude Sonnet 4.6 vs GPT-5.530 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 evalsClaude Opus 4.8 vs Claude Sonnet 4.629 shared evalsClaude Opus 4.7 vs Claude Sonnet 4.629 shared evalsClaude Opus 4.5 vs Gemini 3.1 Pro Preview28 shared evalsClaude Fable 5 vs Claude Sonnet 4.628 shared evalsClaude Opus 4.6 vs Claude Sonnet 4.628 shared evalsClaude Sonnet 4.6 vs GPT-5.428 shared evalsClaude Sonnet 4.6 vs GPT-5.4 Mini28 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 evalsClaude Sonnet 4.6 vs Kimi K2.527 shared evalsClaude Sonnet 4.6 vs Qwen3.6 Plus26 shared evalsGemini 3.1 Pro Preview vs Grok 4.1 Fast25 shared evalsClaude Sonnet 4.6 vs GLM 5.125 shared evalsClaude Sonnet 4.5 vs Claude Sonnet 4.624 shared evalsDeepSeek V3.2 vs Gemini 3.1 Pro Preview24 shared evalsClaude Sonnet 4.6 vs GPT-5.224 shared evalsClaude Sonnet 4.6 vs GPT-5 Mini23 shared evalsClaude 4 Sonnet vs Gemini 3.1 Pro Preview23 shared evalsClaude Opus 4.5 vs Claude Sonnet 4.623 shared evalsClaude Sonnet 4.6 vs DeepSeek V3.223 shared evalsGemini 3.1 Pro Preview vs GPT-5 Nano22 shared evalsClaude Sonnet 4.6 vs Grok 4.1 Fast22 shared evalsGemini 3.1 Pro Preview vs GLM 4.721 shared evalsClaude Sonnet 4.6 vs GPT-5 Nano20 shared evalsGemini 2.5 Pro vs Gemini 3.1 Pro Preview20 shared evalsClaude 4 Sonnet vs Claude Sonnet 4.620 shared evalsGemini 3.1 Pro Preview vs GPT-519 shared evalsClaude Sonnet 4.6 vs Gemini 2.5 Pro19 shared evalsClaude Sonnet 4.6 vs GLM 4.719 shared evalsGemini 3.1 Pro Preview vs gpt-oss-120b18 shared evalsClaude Sonnet 4.6 vs gpt-oss-120b18 shared evalsClaude Sonnet 4.6 vs GPT-516 shared evalsGemini 3.1 Pro Preview vs GPT-6 Astra16 shared evalsGemini 3.1 Pro Preview vs GPT-4o14 shared evalsClaude Sonnet 4.6 vs GPT-4o14 shared evalsGemini 3.1 Pro Preview vs GPT-4.113 shared evalsClaude Sonnet 4.6 vs GPT-6 Astra13 shared evalsGemini 3.1 Pro Preview vs GPT-4.1 Mini12 shared evalsClaude Sonnet 4.6 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 evalsClaude Sonnet 4.6 vs GPT-4.112 shared evalsClaude Sonnet 4.6 vs GPT-4o-mini12 shared evalsClaude Sonnet 4.6 vs GPT-4.1 Nano12 shared evals
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