Gemini 2.5 Pro vs gpt-oss-120b
Head to head on 19 shared benchmarks, with price, context window, and release dates.
Benchmark scores
45evals · sort by any column, ⤢ to expand fullscreen
| Model | ||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gemini 2.5 Pro Google (Alphabet Inc.) | 83.1% | 87.7% | 60.8% | 1419elo | 58.8 | 84.4% | 22.5% | 48.7% | 77.9% | 86.7% | 81.0% | 65.9% | 80.1% | 86.2% | 42.8% | 53.6% | 72.9% | 26.5% | 54.1% | 88.7% | 50.4% | - | - | - | 45.2% | 15.9% | 14.1% | - | - | - | - | - | - | 96.7% | 50.6% | 73.6% | - | 68.9% | 70.0% | 41.9% | 55.6 | - | - | 0.4% | 53.3% | 59.5% |
| gpt-oss-120b OpenAI | 41.8% | 66.7% | 58.2% | 959elo | 35.8 | 67.2% | 5.9% | 58.3% | 51.0% | 60.2% | 50.3% | 48.6% | 70.7% | 77.5% | 36.0% | 26.0% | 71.6% | 5.3% | 45.0% | - | - | 38.9% | 7.6% | 13.0% | - | - | - | 57.6 | 38.8% | 68.9% | 39.2% | 1.62 | 1.53 | - | - | - | 80.0% | - | - | - | - | 97.9% | 65.6% | - | - | 49.6% |
2 / 2 models
| Attribute | Gemini 2.5 Pro Google (Alphabet Inc.) | gpt-oss-120b OpenAI |
|---|---|---|
| Description | Gemini 2.5 Pro 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 | closed | open |
| License | proprietary | apache-2.0 |
| Released | 5 Jun 2025 | 5 Aug 2025 |
| Context | 1,048,576 | 131,072 |
| Input $/1M | $1.25 | $0.15 |
| Output $/1M | $10.00 | $0.60 |
| Cache read $/1M | $0.125 | $0.030 |
| Cache write $/1M | $0.375 | - |
| Speed | 0 tok/s | 186 tok/s |
| Latency | 0.00 s | 0.50 s |
| Modalities | text, image, file, audio, video | text |
| Providers | - | - |
| Publisher | Google (Alphabet Inc.) | OpenAI |
| Reported scores | 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 2.5 Pro or gpt-oss-120b better?
- Across the 19 benchmarks both models report on Sophon, Gemini 2.5 Pro leads on 18 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do Gemini 2.5 Pro and gpt-oss-120b compare on GPQA Diamond?
- Gemini 2.5 Pro scores 84.4% and gpt-oss-120b scores 67.2% on GPQA Diamond.
- Which is cheaper, Gemini 2.5 Pro or gpt-oss-120b?
- gpt-oss-120b is cheaper at $0.60 per million output tokens against $10.00 for Gemini 2.5 Pro - about 16.7x.
- When were Gemini 2.5 Pro and gpt-oss-120b released?
- Gemini 2.5 Pro was released 5 Jun 2025 by Google (Alphabet Inc.). gpt-oss-120b was released 5 Aug 2025 by OpenAI.
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