Gemini 3.1 Pro Preview vs gpt-oss-120b
Head to head on 18 shared benchmarks, with price, context window, and release dates.
Benchmark scores
61evals · sort by any column, ⤢ to expand fullscreen
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| Gemini 3.1 Pro Preview Google (Alphabet Inc.) | 64.5% | 22.0% | 1489elo | 68.2 | 94.1% | 47.0% | 77.1% | 82.4% | 76.5% | 78.5% | 79.1% | 85.4% | 91.0% | 84.0% | 58.9% | 72.9% | 53.8% | 95.6% | - | - | 76.8% | 12.3% | - | - | 26.5% | 2 | 73.1% | 22.8% | 1142elo | 43.0% | 36.9% | 42.5% | 16.7% | 1314elo | 93.2% | 15.1% | - | 84.4% | 0.0% | - | - | - | 86.3% | 59.1% | 76.1% | - | - | 69.4% | 76.2% | 26.0% | 48.7% | 72.7% | - | - | 54.2% | 70.7% | - | 79.4 | 41.9% | 56.1% | 32.0% | 58.9% |
| gpt-oss-120b OpenAI | 58.2% | 13.0% | 959elo | 35.8 | 67.2% | 5.9% | 58.3% | 51.0% | 60.2% | 38.8% | 50.3% | 48.6% | 68.9% | 39.2% | 36.0% | 71.6% | 5.3% | 45.0% | 41.8% | 66.7% | - | - | 38.9% | 7.6% | - | - | - | - | - | - | - | - | - | - | - | - | 57.6 | - | - | 70.7% | 1.62 | 1.53 | - | - | - | 80.0% | 77.5% | - | - | - | - | - | 97.9% | 26.0% | - | - | 65.6% | - | - | - | - | 49.6% |
2 / 2 models
| Attribute | Gemini 3.1 Pro Preview Google (Alphabet Inc.) | gpt-oss-120b OpenAI |
|---|---|---|
| Description | Gemini 3.1 Pro Preview is an AI model from Google (Alphabet Inc.). | GPT-Oss 120b is an AI model from OpenAI, released with open weights. |
| Family | Gemini | GPT |
| Params | - | - |
| Open weights | - | open |
| License | - | apache-2.0 |
| Released | 19 Feb 2026 | 5 Aug 2025 |
| Context | 1,048,576 | 131,072 |
| Input $/1M | $2.00 | $0.15 |
| Output $/1M | $12.00 | $0.60 |
| Cache read $/1M | $0.200 | $0.030 |
| Cache write $/1M | $0.375 | - |
| Speed | 122 tok/s | 186 tok/s |
| Latency | 20.68 s | 0.50 s |
| Modalities | audio, file, image, text, video | text |
| Providers | - | - |
| Publisher | Google (Alphabet Inc.) | OpenAI |
| 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) | GPQA Diamond67.2% (AA) Humanity's Last Exam (HLE)5.9% (AA) LiveCodeBench70.7% (AA) MMLU-Pro77.5% (AA) SciCode36.0% (AA) |
FAQ
- Is Gemini 3.1 Pro Preview or gpt-oss-120b better?
- Across the 18 benchmarks both models report on Sophon, Gemini 3.1 Pro Preview leads on 18 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-oss-120b compare on GPQA Diamond?
- Gemini 3.1 Pro Preview scores 94.1% and gpt-oss-120b scores 67.2% on GPQA Diamond.
- Which is cheaper, Gemini 3.1 Pro Preview or gpt-oss-120b?
- gpt-oss-120b is cheaper at $0.60 per million output tokens against $12.00 for Gemini 3.1 Pro Preview - about 20.0x.
- When were Gemini 3.1 Pro Preview and gpt-oss-120b released?
- Gemini 3.1 Pro Preview was released 19 Feb 2026 by Google (Alphabet Inc.). gpt-oss-120b was released 5 Aug 2025 by OpenAI.
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