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% | 1421elo | 58.8 | 84.4% | 22.5% | 48.7% | 77.9% | 86.7% | 81.0% | 65.9% | 80.1% | 86.2% | 46.3% | 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% | 59.6% |
| gpt-oss-120b OpenAI | 41.8% | 93.4% | 58.2% | 961elo | 35.8 | 78.2% | 19.6% | 69.0% | 51.0% | 60.2% | 50.3% | 48.6% | 87.8% | 80.8% | 34.0% | 26.0% | 71.6% | 23.5% | 65.8% | - | - | 38.9% | 7.6% | 11.0% | - | - | - | 57.6 | 38.8% | 68.9% | 39.2% | 1.62 | 1.53 | - | - | - | 80.0% | - | - | - | - | 97.9% | 65.6% | - | - | 54.1% |
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 | $0.59 |
| Cache read $/1M | $0.125 | $0.075 |
| Cache write $/1M | $0.375 | - |
| Speed | 0 tok/s | 224 tok/s |
| Latency | 0.00 s | 0.51 s |
| Modalities | text, image, file, audio, video | text |
| Providers | - | - |
| Publisher | Google (Alphabet Inc.) | OpenAI |
| Reported scores | GPQA Diamond78.2% (AA) Humanity's Last Exam (HLE)19.6% (AA) LiveCodeBench87.8% (AA) MMLU-Pro80.8% (AA) SciCode34.0% (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 15 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 78.2% on GPQA Diamond.
- Which is cheaper, Gemini 2.5 Pro or gpt-oss-120b?
- gpt-oss-120b is cheaper at $0.59 per million output tokens against $10.00 for Gemini 2.5 Pro - about 16.9x.
- 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.
Other head-to-heads
56Claude Sonnet 4.5 vs Gemini 2.5 Pro26 shared evalsGemini 2.5 Pro vs GPT-5 Mini26 shared evalsGPT-5 Mini vs gpt-oss-120b25 shared evalsClaude 4 Sonnet vs Gemini 2.5 Pro25 shared evalsGemini 2.5 Pro vs GPT-524 shared evalsGemini 2.5 Pro vs GPT-5 Nano24 shared evalsGemini 2.5 Pro vs GPT-5.224 shared evalsClaude Opus 4.5 vs Gemini 2.5 Pro24 shared evalsClaude Sonnet 4.5 vs gpt-oss-120b23 shared evalsDeepSeek V3.2 vs gpt-oss-120b23 shared evalsGemini 2.5 Pro vs GPT-5.522 shared evalsGPT-5 Nano vs gpt-oss-120b22 shared evalsGPT-5.2 vs gpt-oss-120b22 shared evalsGemini 2.5 Pro vs GPT-4o22 shared evalsGemini 2.5 Pro vs Grok 4.1 Fast22 shared evalsClaude Opus 4.5 vs gpt-oss-120b21 shared evalsClaude 4 Sonnet vs gpt-oss-120b21 shared evalsClaude Opus 4.6 vs Gemini 2.5 Pro21 shared evalsGemini 2.5 Pro vs Kimi K2.521 shared evalsDeepSeek V3.2 vs Gemini 2.5 Pro21 shared evalsGemini 2.5 Pro vs Gemini 3.1 Pro Preview20 shared evalsClaude Opus 4.8 vs Gemini 2.5 Pro20 shared evalsGemini 2.5 Pro vs GPT-5.420 shared evalsClaude Opus 4.7 vs Gemini 2.5 Pro20 shared evalsGemini 2.5 Pro vs GLM 4.720 shared evalsgpt-oss-120b vs Grok 4.1 Fast20 shared evalsGLM 4.7 vs gpt-oss-120b20 shared evalsGemini 2.5 Pro vs GPT-4.1 Mini19 shared evalsGPT-5.5 vs gpt-oss-120b19 shared evalsClaude Fable 5 vs Gemini 2.5 Pro19 shared evalsClaude Opus 4.6 vs gpt-oss-120b19 shared evalsGemini 2.5 Pro vs GPT-4.119 shared evalsgpt-oss-120b vs Kimi K2.519 shared evalsGemini 2.5 Pro vs GPT-4o-mini19 shared evalsGemini 2.5 Pro vs GLM 5.119 shared evalsGLM 5.1 vs gpt-oss-120b19 shared evalsClaude Sonnet 4.6 vs Gemini 2.5 Pro19 shared evalsGemini 3.1 Pro Preview vs gpt-oss-120b18 shared evalsClaude Opus 4.8 vs gpt-oss-120b18 shared evalsClaude Fable 5 vs gpt-oss-120b18 shared evalsGPT-5.4 vs gpt-oss-120b18 shared evalsClaude Opus 4.7 vs gpt-oss-120b18 shared evalsClaude Sonnet 4.6 vs gpt-oss-120b18 shared evalsGemini 2.5 Pro vs GPT-4.1 Nano18 shared evalsGemini 2.5 Pro vs Qwen3.6 Plus18 shared evalsGemini 2.5 Pro vs GPT-5.4 Mini18 shared evalsGPT-5 vs gpt-oss-120b17 shared evalsGPT-4o vs gpt-oss-120b17 shared evalsGPT-5.4 Mini vs gpt-oss-120b17 shared evalsGPT-4.1 vs gpt-oss-120b16 shared evalsgpt-oss-120b vs Qwen3.6 Plus16 shared evalsGPT-4.1 Mini vs gpt-oss-120b15 shared evalsGPT-4o-mini vs gpt-oss-120b15 shared evalsGPT-4.1 Nano vs gpt-oss-120b14 shared evalsGemini 2.5 Pro vs GPT-6 Astra10 shared evalsGPT-6 Astra vs gpt-oss-120b6 shared evals
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