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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| GPT-5 OpenAI | 61.1% | 1627elo | 72.8 | 32.4% | 83.3% | 85.4% | 28.5% | 73.1% | 83.4% | 49.6% | 83.7% | 65.5% | 18.0% | 43.7% | 42.9% | 73.4% | 32.6% | 20.1% | 84.8% | 46.7% | 91.1% | 88.0% | 94.6% | 94.3% | - | 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% | - | - | - | - | - | - | - | 84.6% | 37.5% | 0.52 | 1.62 | 100.0% | 99.4% | - | 0.0% | 92.7% | 92.7% | 93.3% | 10.0% | 87.1% | 0.0% | 60.0% | 0.26 | - | 0.0% | - | 74.9% | 74.4% | - | 2.34 | - | - | 87.5% | 0.86 | - | - | 54.8% | 90.0% | 90.0% | 61.9% |
| Gemini 3.1 Pro Preview Google (Alphabet Inc.) | 64.5% | 1491elo | 68.2 | 36.9% | 93.2% | 94.1% | 47.0% | 77.1% | 84.4% | 59.1% | 76.1% | 69.4% | 26.0% | 48.7% | 58.7% | 72.9% | 53.8% | 32.0% | 95.6% | - | - | - | - | - | 76.8% | - | 12.3% | - | 26.5% | - | - | - | 2 | 20.0% | 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 | - | - | 33.4% | 56.1% | - | - | - | 58.7% |
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 | $1.25 |
| Output $/1M | $12.00 | $10.00 |
| Cache read $/1M | $0.200 | $0.125 |
| 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 | - | openai |
| 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) | SWE-bench74.9% (Verified) GPQA Diamond85.4% (AA) Humanity's Last Exam (HLE)28.5% (AA) IFBench73.1% (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 85.4% on GPQA Diamond.
- Which is cheaper, Gemini 3.1 Pro Preview or GPT-5?
- GPT-5 is cheaper at $10.00 per million output tokens against $12.00 for Gemini 3.1 Pro Preview - about 1.2x.
- 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.
Other head-to-heads
56GPT-4.1 Mini vs GPT-541 shared evalsGemini 3.1 Pro Preview vs GPT-5.541 shared evalsClaude Opus 4.8 vs Gemini 3.1 Pro Preview38 shared evalsGPT-5 vs GPT-5 Mini36 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-531 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 evalsGPT-4.1 vs GPT-528 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 evalsClaude 4 Sonnet vs GPT-525 shared evalsGemini 3.1 Pro Preview vs Grok 4.1 Fast25 shared evalsGemini 2.5 Pro vs GPT-524 shared evalsDeepSeek V3.2 vs Gemini 3.1 Pro Preview24 shared evalsGPT-5 vs GPT-5.223 shared evalsClaude Opus 4.5 vs GPT-523 shared evalsClaude 4 Sonnet vs Gemini 3.1 Pro Preview23 shared evalsGemini 3.1 Pro Preview vs GPT-5 Nano22 shared evalsGPT-4.1 Nano vs GPT-521 shared evalsGemini 3.1 Pro Preview vs GLM 4.721 shared evalsGPT-5 vs Grok 4.1 Fast20 shared evalsGemini 2.5 Pro vs Gemini 3.1 Pro Preview20 shared evalsClaude Opus 4.6 vs GPT-519 shared evalsGPT-5 vs GPT-5.419 shared evalsDeepSeek V3.2 vs GPT-519 shared evalsGPT-4o vs GPT-519 shared evalsGPT-5 vs GPT-5.518 shared evalsGPT-5 vs Kimi K2.518 shared evalsGemini 3.1 Pro Preview vs gpt-oss-120b18 shared evalsClaude Opus 4.8 vs GPT-517 shared evalsClaude Opus 4.7 vs GPT-517 shared evalsGPT-5 vs gpt-oss-120b17 shared evalsGLM 4.7 vs GPT-517 shared evalsClaude Fable 5 vs GPT-516 shared evalsGPT-4o-mini vs GPT-516 shared evalsClaude Sonnet 4.6 vs GPT-516 shared evalsGLM 5.1 vs GPT-516 shared evalsGPT-5 vs GPT-5.4 Mini16 shared evalsGemini 3.1 Pro Preview vs GPT-6 Astra16 shared evalsGPT-5 vs Qwen3.6 Plus15 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 evalsGPT-5 vs GPT-6 Astra12 shared evalsGemini 3.1 Pro Preview vs GPT-4o-mini12 shared evalsGemini 3.1 Pro Preview vs GPT-4.1 Nano12 shared evals
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