GPT-4.1 Nano vs gpt-oss-120b
Head to head on 14 shared benchmarks, with price, context window, and release dates.
Benchmark scores
50evals · sort by any column, ⤢ to expand fullscreen
| Model | |||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| gpt-oss-120b OpenAI | 41.8% | 66.7% | 58.2% | 959elo | 35.8 | 67.2% | 5.9% | 58.3% | 70.7% | 77.5% | 36.0% | 71.6% | 5.3% | 45.0% | - | - | 38.9% | 7.6% | - | - | - | - | - | 13.0% | - | - | - | 57.6 | - | 51.0% | 60.2% | 38.8% | 50.3% | 48.6% | 68.9% | 39.2% | - | 1.62 | 1.53 | - | 80.0% | - | 97.9% | - | 26.0% | - | 65.6% | - | - | - | 49.6% |
| GPT-4.1 Nano OpenAI | 8.9% | 24.0% | 42.1% | 944elo | 32.4 | 51.2% | 3.8% | 32.0% | 32.6% | 65.7% | 25.9% | 60.8% | 3.8% | 17.3% | 23.7% | 10.7% | - | - | 1.53 | -0.17 | 3.3% | 0.0% | 42.5% | - | 1.0% | 0.39 | 1.46 | - | 0.0% | - | - | - | - | - | - | - | 10.8% | - | - | 84.8% | - | 52.8% | - | 0.44 | - | 1.64 | - | 39.8% | 68.0% | 68.0% | 30.9% |
2 / 2 models
| Attribute | GPT-4.1 Nano OpenAI | gpt-oss-120b OpenAI |
|---|---|---|
| Description | GPT-4.1 Nano is an AI model from OpenAI. | GPT-Oss 120b is an AI model from OpenAI, released with open weights. |
| Family | GPT | GPT |
| Params | - | - |
| Open weights | closed | open |
| License | proprietary | apache-2.0 |
| Released | 14 Apr 2025 | 5 Aug 2025 |
| Context | 1,047,576 | 131,072 |
| Input $/1M | $0.10 | $0.15 |
| Output $/1M | $0.40 | $0.60 |
| Cache read $/1M | $0.025 | $0.030 |
| Cache write $/1M | - | - |
| Speed | 0 tok/s | 186 tok/s |
| Latency | 0.00 s | 0.50 s |
| Modalities | image, text, file | text |
| Providers | - | - |
| Publisher | OpenAI | 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 GPT-4.1 Nano or gpt-oss-120b better?
- Across the 14 benchmarks both models report on Sophon, gpt-oss-120b leads on 14 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do GPT-4.1 Nano and gpt-oss-120b compare on GPQA Diamond?
- GPT-4.1 Nano scores 51.2% and gpt-oss-120b scores 67.2% on GPQA Diamond.
- Which is cheaper, GPT-4.1 Nano or gpt-oss-120b?
- GPT-4.1 Nano is cheaper at $0.40 per million output tokens against $0.60 for gpt-oss-120b - about 1.5x.
- When were GPT-4.1 Nano and gpt-oss-120b released?
- GPT-4.1 Nano was released 14 Apr 2025 by OpenAI. gpt-oss-120b was released 5 Aug 2025 by OpenAI.
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