Gemini 3.1 Pro Preview vs GPT-5 Mini
Head to head on 27 shared benchmarks, with price, context window, and release dates.
Benchmark scores
86evals · sort by any column, ⤢ to expand fullscreen
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| Gemini 3.1 Pro Preview Google (Alphabet Inc.) | 2 | 64.5% | 73.1% | 22.8% | 1491elo | 68.2 | 36.9% | 94.1% | 47.0% | 77.1% | 82.4% | 76.5% | 78.5% | 79.1% | 85.4% | 91.0% | 84.0% | 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% | - | - | - | 20.0% | - | - | - | 1142elo | - | 43.0% | - | 42.5% | 16.7% | 1314elo | - | 93.2% | - | 15.1% | - | - | - | 84.4% | 0.0% | - | - | - | - | 86.3% | - | - | 76.2% | 72.7% | - | - | - | - | 54.2% | 70.7% | - | 79.4 | - | - | - | - | 33.4% | 56.1% | - | - | - | - | 58.7% |
| GPT-5 Mini OpenAI | 1.7 | 60.2% | 18.1% | 2.8% | 1313elo | 56.2 | 27.2% | 82.8% | 21.5% | 75.4% | 69.1% | 68.2% | 55.2% | 65.3% | 75.5% | 82.2% | 68.3% | 43.0% | 80.6% | 66.9% | 9.0% | 43.0% | 39.0% | 75.2% | 33.3% | 14.2% | 68.4% | 0.0% | 90.7% | - | 0.0% | - | 1.13 | 0.0% | -0.15 | - | 20.0% | 25.0% | 40.0% | - | 100.0% | 100.0% | 66.7% | - | 0.0% | - | 88.3% | - | - | - | 60.0% | - | 100.0% | - | 90.0% | 47.2% | 80.0% | - | - | 83.8% | 0.0% | 1.54 | 1.54 | - | 80.0% | 83.7% | - | - | 16.8% | 4.95 | 39.7% | 59.8% | - | - | 0.0% | - | 9.5% | 0.0% | 86.1% | 0.49 | - | - | 39.21 | 272.11 | 86.0% | 86.0% | 51.6% |
2 / 2 models
| Attribute | Gemini 3.1 Pro Preview Google (Alphabet Inc.) | GPT-5 Mini OpenAI |
|---|---|---|
| Description | Gemini 3.1 Pro Preview is an AI model from Google (Alphabet Inc.). | GPT-5 mini is an AI model from OpenAI. |
| Family | Gemini | GPT |
| Params | - | - |
| Open weights | - | closed |
| License | - | proprietary |
| Released | 19 Feb 2026 | 7 Aug 2025 |
| Context | 1,048,576 | 400,000 |
| Input $/1M | $2.00 | $0.25 |
| Output $/1M | $12.00 | $2.00 |
| Cache read $/1M | $0.200 | $0.025 |
| 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 | - | - |
| 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) |
FAQ
- Is Gemini 3.1 Pro Preview or GPT-5 Mini better?
- Across the 27 benchmarks both models report on Sophon, Gemini 3.1 Pro Preview leads on 25 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 Mini compare on GPQA Diamond?
- Gemini 3.1 Pro Preview scores 94.1% and GPT-5 Mini scores 82.8% on GPQA Diamond.
- Which is cheaper, Gemini 3.1 Pro Preview or GPT-5 Mini?
- GPT-5 Mini is cheaper at $2.00 per million output tokens against $12.00 for Gemini 3.1 Pro Preview - about 6.0x.
- When were Gemini 3.1 Pro Preview and GPT-5 Mini released?
- Gemini 3.1 Pro Preview was released 19 Feb 2026 by Google (Alphabet Inc.). GPT-5 Mini was released 7 Aug 2025 by OpenAI.
Other head-to-heads
56Gemini 3.1 Pro Preview vs GPT-5.541 shared evalsGPT-5 Mini vs GPT-5 Nano38 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 evalsGPT-4.1 Mini vs GPT-5 Mini32 shared evalsGPT-5 Mini vs GPT-5.232 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-5 Mini31 shared evalsClaude Opus 4.5 vs GPT-5 Mini31 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 evalsClaude 4 Sonnet vs GPT-5 Mini29 shared evalsGemini 3.1 Pro Preview vs GPT-5.229 shared evalsClaude Opus 4.6 vs GPT-5 Mini28 shared evalsClaude Opus 4.5 vs Gemini 3.1 Pro Preview28 shared evalsClaude Sonnet 4.5 vs Gemini 3.1 Pro Preview27 shared evalsGPT-5 Mini vs GPT-5.427 shared evalsGemini 3.1 Pro Preview vs Qwen3.6 Plus27 shared evalsDeepSeek V3.2 vs GPT-5 Mini26 shared evalsGemini 2.5 Pro vs GPT-5 Mini26 shared evalsGPT-5 Mini vs Grok 4.1 Fast26 shared evalsGPT-5 Mini vs GPT-5.525 shared evalsGPT-5 Mini vs Kimi K2.525 shared evalsGLM 5.1 vs GPT-5 Mini25 shared evalsClaude Opus 4.7 vs GPT-5 Mini25 shared evalsGPT-5 Mini vs gpt-oss-120b25 shared evalsGLM 4.7 vs GPT-5 Mini25 shared evalsGemini 3.1 Pro Preview vs Grok 4.1 Fast25 shared evalsClaude Opus 4.8 vs GPT-5 Mini24 shared evalsGPT-5.4 Mini vs GPT-5 Mini24 shared evalsDeepSeek V3.2 vs Gemini 3.1 Pro Preview24 shared evalsClaude Fable 5 vs GPT-5 Mini23 shared evalsClaude Sonnet 4.6 vs GPT-5 Mini23 shared evalsClaude 4 Sonnet vs Gemini 3.1 Pro Preview23 shared evalsGPT-4.1 vs GPT-5 Mini22 shared evalsGemini 3.1 Pro Preview vs GPT-5 Nano22 shared evalsGPT-4.1 Nano vs GPT-5 Mini21 shared evalsGPT-5 Mini vs Qwen3.6 Plus21 shared evalsGemini 3.1 Pro Preview vs GLM 4.721 shared evalsGPT-4o vs GPT-5 Mini20 shared evalsGemini 2.5 Pro vs Gemini 3.1 Pro Preview20 shared evalsGemini 3.1 Pro Preview vs GPT-519 shared evalsGPT-4o-mini vs GPT-5 Mini18 shared evalsGemini 3.1 Pro Preview vs gpt-oss-120b18 shared evalsGemini 3.1 Pro Preview vs GPT-6 Astra16 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 Mini 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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