GPT-4.1 vs GPT-5 Nano
Head to head on 20 shared benchmarks, with price, context window, and release dates.
Benchmark scores
67evals · sort by any column, ⤢ to expand fullscreen
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| GPT-4.1 OpenAI | 34.7% | 1.64 | 12.4% | 1417elo | 5.5% | 66.6% | 4.2% | 43.0% | 45.7% | 0.49 | 0.49 | 80.6% | 65.9% | 38.1% | 39.6% | 75.1% | 13.6% | 92.0% | 92.0% | 47.1% | 0.0% | - | 52.4% | 43.7% | 26.7% | 61.5% | - | - | 83.7% | 1.55 | 63.1% | - | - | - | 60.9% | - | - | - | - | - | - | - | - | 70.8% | - | - | 91.3% | 32.1% | 32.1% | - | - | 69.4% | - | 50.5% | - | - | - | - | - | 8.57 | - | 31.1% | 10.0% | - | - | - | - | 48.0% |
| GPT-5 Nano OpenAI | 27.3% | 0.25 | 10.0% | 703elo | 8.3% | 42.8% | 4.0% | 32.5% | 47.0% | 1.38 | 1.38 | 55.6% | 53.6% | 29.1% | 34.8% | 67.4% | 6.8% | 82.0% | 82.0% | 25.7% | - | 0.0% | - | - | - | - | 0.21 | 6.7% | - | - | - | 28 | 78.2% | 1.18 | - | 100.0% | 52.8% | 62.4% | 43.4% | 55.7% | 46.8% | 68.4% | 40.3% | - | 100.0% | 100.0% | - | - | - | 26.7% | 30.4% | - | 72.9% | - | 100.0% | 0.0% | 0.0% | 12.0% | 30.4% | - | 1.72 | - | - | 29.7% | 20.41 | -6.67 | 40.0% | 43.7% |
2 / 2 models
| Attribute | GPT-4.1 OpenAI | GPT-5 Nano OpenAI |
|---|---|---|
| Description | GPT-4.1 is an AI model from OpenAI. | GPT-5 nano is an AI model from OpenAI. |
| Family | GPT | GPT |
| Params | - | - |
| Open weights | closed | closed |
| License | proprietary | proprietary |
| Released | 14 Apr 2025 | 7 Aug 2025 |
| Context | 1,047,576 | 400,000 |
| Input $/1M | $2.00 | $0.05 |
| Output $/1M | $8.00 | $0.40 |
| Cache read $/1M | $0.500 | $0.005 |
| Cache write $/1M | - | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | image, text, file | text, image, file |
| Providers | - | - |
| Publisher | OpenAI | OpenAI |
| Reported scores | ScholarSearch8.57 Social Sciences & Humanities (%) GPQA Diamond66.6% (AA) Humanity's Last Exam (HLE)4.2% (AA) IFBench43.0% (AA) |
FAQ
- Is GPT-4.1 or GPT-5 Nano better?
- Across the 20 benchmarks both models report on Sophon, GPT-4.1 leads on 16 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do GPT-4.1 and GPT-5 Nano compare on GPQA Diamond?
- GPT-4.1 scores 66.6% and GPT-5 Nano scores 42.8% on GPQA Diamond.
- Which is cheaper, GPT-4.1 or GPT-5 Nano?
- GPT-5 Nano is cheaper at $0.40 per million output tokens against $8.00 for GPT-4.1 - about 20.0x.
- When were GPT-4.1 and GPT-5 Nano released?
- GPT-4.1 was released 14 Apr 2025 by OpenAI. GPT-5 Nano was released 7 Aug 2025 by OpenAI.
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