GPT-4.1 Mini vs GPT-5 Nano
Head to head on 26 shared benchmarks, with price, context window, and release dates.
Benchmark scores
162evals · sort by any column, ⤢ to expand fullscreen
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| GPT-4.1 Mini OpenAI | 46.3% | 0.79 | -0.04 | 40.0% | 9.0% | 1144elo | 58.2% | 4.5% | 66.4% | 100.0% | 5.0% | 38.3% | 48.3% | 0.35 | 93.3% | 100.0% | 78.1% | 65.5% | 40.4% | 23.9% | 71.9% | 7.6% | 37.6% | 82.0% | 82.0% | 52.9% | -0.17 | 60.0% | 100.0% | 0.0% | - | 3 | 32.4% | 43.0% | 98.2% | 0.0% | 28.2% | -1 | 1.07 | 62.3% | 89.9% | 100 | 83.62 | 0.0% | 0.0% | 0.0% | 1.11 | 1.11 | 1.01 | 204.5 | 41.7% | 1.45 | 34.5% | 57.9% | 13.0% | 53.6% | 3.6% | 17.4% | 3.3% | 80.0% | 80.0% | 83.4% | 48.6% | - | 43.3% | 100.0% | 52.9% | 0.0% | 1.5% | 18.7% | - | 50.0% | 65.0% | 56.8% | 0.0% | 3.47 | 3.47 | 1.55 | 100.0% | 63.3% | 0.0% | 0.0% | 67.5% | 40.2% | 83.5% | 6.7% | 62.4% | 43.8% | 26.7% | - | - | - | - | - | - | - | 45.4% | 80.0% | - | 100.0% | 92.5% | 2.61 | 0.0% | 100.0% | - | - | 77.9% | - | 5 | 0.0% | 64.0% | 64.0% | 20.0% | 26.7% | 54.5% | - | 20.0% | - | 20.0% | 30.0% | 19.5% | 96.5% | 52.0% | 30.0% | 30.0% | - | - | 60.0% | 0.0% | 46.8% | 93.0% | 40.6% | - | 100.0% | 88.2% | 100.0% | 20.0% | 33.3% | 100.0% | 73.3% | 100.0% | 1.14 | 56.72 | 0 | 10.0% | - | 100.0% | 100.0% | 0.0% | 100.0% | 1.04 | 100.0% | 100.0% | 45.6% | - | 93.3% | 100.0% | - | 29.0% | 90.0% | 29.0% | - | 50.8% |
| GPT-5 Nano OpenAI | 27.3% | 0.25 | 0.21 | 6.7% | 10.0% | 703elo | 78.2% | 8.3% | 42.8% | 100.0% | 4.0% | 32.5% | 47.0% | 1.38 | 100.0% | 100.0% | 55.6% | 53.6% | 29.1% | 34.8% | 67.4% | 6.8% | 29.7% | 82.0% | 82.0% | 25.7% | - | - | - | - | 0.0% | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 28 | - | - | - | - | - | - | 1.18 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 52.8% | 62.4% | 43.4% | 55.7% | 46.8% | 68.4% | 40.3% | - | - | 1.38 | - | - | - | - | - | 26.7% | 30.4% | - | 72.9% | - | - | - | - | - | - | - | 100.0% | - | 0.0% | - | - | - | - | - | - | - | 0.0% | 12.0% | - | - | - | - | - | 30.4% | - | - | - | - | - | - | - | - | - | - | - | - | 1.72 | - | - | - | - | - | - | - | - | 20.41 | - | - | -6.67 | - | - | - | 40.0% | 43.7% |
2 / 2 models
| Attribute | GPT-4.1 Mini OpenAI | GPT-5 Nano OpenAI |
|---|---|---|
| Description | GPT-4.1 Mini 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 | $0.40 | $0.05 |
| Output $/1M | $1.60 | $0.40 |
| Cache read $/1M | $0.100 | $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 |
FAQ
- Is GPT-4.1 Mini or GPT-5 Nano better?
- Across the 26 benchmarks both models report on Sophon, GPT-4.1 Mini leads on 15 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do GPT-4.1 Mini and GPT-5 Nano compare on GPQA Diamond?
- GPT-4.1 Mini scores 66.4% and GPT-5 Nano scores 42.8% on GPQA Diamond.
- Which is cheaper, GPT-4.1 Mini or GPT-5 Nano?
- GPT-5 Nano is cheaper at $0.40 per million output tokens against $1.60 for GPT-4.1 Mini - about 4.0x.
- When were GPT-4.1 Mini and GPT-5 Nano released?
- GPT-4.1 Mini was released 14 Apr 2025 by OpenAI. GPT-5 Nano was released 7 Aug 2025 by OpenAI.
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