GPT-5 Nano vs GPT-5.2
Head to head on 26 shared benchmarks, with price, context window, and release dates.
Benchmark scores
66evals · sort by any column, ⤢ to expand fullscreen
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| GPT-5.2 OpenAI | 51.0% | 1699elo | 71.6 | 40.7% | 71.2% | 8.0% | 47.4% | 78.7% | 76.1% | 78.2% | 61.8% | 79.8% | 93.2% | 83.2% | 66.9% | 49.7% | 84.4% | 81.4% | 67.1% | 15.0% | 49.3% | 40.4% | 71.8% | 75.8% | 31.8% | 46.5% | - | 100 | - | 100.0% | - | 0.0% | 16.7% | - | 65.9% | 60.0% | 40.6% | 9.4% | - | - | - | - | 12.93 | 85.0% | 79.0% | 24.0% | - | - | - | - | 72.0% | - | - | - | 96.7 | - | 18.7% | - | 66.7% | - | - | - | 53.5% | - | - | - | 56.3% |
| GPT-5 Nano OpenAI | 27.3% | 703elo | 28 | 8.3% | 42.8% | 4.0% | 32.5% | 52.8% | 62.4% | 43.4% | 55.7% | 46.8% | 68.4% | 40.3% | 47.0% | 30.4% | 72.9% | 55.6% | 53.6% | 12.0% | 30.4% | 29.1% | 34.8% | 67.4% | 6.8% | 25.7% | 0.0% | - | 0.25 | - | 0.21 | - | - | 6.7% | - | - | - | - | 10.0% | 78.2% | 1.18 | 100.0% | - | - | - | - | 1.38 | 1.38 | 100.0% | 100.0% | - | 26.7% | 100.0% | 0.0% | - | 0.0% | - | 1.72 | - | 29.7% | 20.41 | -6.67 | - | 82.0% | 82.0% | 40.0% | 43.7% |
2 / 2 models
| Attribute | GPT-5 Nano OpenAI | GPT-5.2 OpenAI |
|---|---|---|
| Description | GPT-5 nano is an AI model from OpenAI. | GPT-5.2 is an AI model from OpenAI. |
| Family | GPT | GPT |
| Params | - | - |
| Open weights | closed | closed |
| License | proprietary | proprietary |
| Released | 7 Aug 2025 | 11 Dec 2025 |
| Context | 400,000 | 400,000 |
| Input $/1M | $0.05 | $1.75 |
| Output $/1M | $0.40 | $14.00 |
| Cache read $/1M | $0.005 | $0.175 |
| Cache write $/1M | - | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | text, image, file | file, image, text |
| Providers | - | - |
| Publisher | OpenAI | OpenAI |
| Reported scores |
FAQ
- Is GPT-5 Nano or GPT-5.2 better?
- Across the 26 benchmarks both models report on Sophon, GPT-5.2 leads on 26 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do GPT-5 Nano and GPT-5.2 compare on GPQA Diamond?
- GPT-5 Nano scores 42.8% and GPT-5.2 scores 71.2% on GPQA Diamond.
- Which is cheaper, GPT-5 Nano or GPT-5.2?
- GPT-5 Nano is cheaper at $0.40 per million output tokens against $14.00 for GPT-5.2 - about 35.0x.
- When were GPT-5 Nano and GPT-5.2 released?
- GPT-5 Nano was released 7 Aug 2025 by OpenAI. GPT-5.2 was released 11 Dec 2025 by OpenAI.
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