GPT-5 Nano vs GPT-5.4
Head to head on 22 shared benchmarks, with price, context window, and release dates.
Benchmark scores
66evals · sort by any column, ⤢ to expand fullscreen
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| GPT-5.4 OpenAI | 1836elo | 78.3 | 47.6% | 74.8% | 11.3% | 48.4% | 82.0% | 77.5% | 79.3% | 70.2% | 82.6% | 94.1% | 88.1% | 41.3% | 77.5% | 68.3% | 56.0% | 43.3% | 47.1% | 74.0% | 37.9% | 36.0% | - | - | 13.1% | - | - | - | 1.47 | 65.3% | 81.0% | 34.1% | 9.0% | - | 1272elo | - | - | 87.2% | - | 78.5% | 92063 | - | - | - | - | - | 82.8% | - | - | - | 86 | - | 52.2% | - | -0.61 | - | 40.8 | - | 80 | - | - | - | 67.4% | - | - | - | 60.3% |
| GPT-5 Nano OpenAI | 703elo | 28 | 8.3% | 42.8% | 4.0% | 32.5% | 52.8% | 62.4% | 43.4% | 55.7% | 46.8% | 68.4% | 40.3% | 30.4% | 72.9% | 53.6% | 12.0% | 30.4% | 29.1% | 67.4% | 6.8% | 25.7% | 0.0% | 27.3% | - | 0.25 | 0.21 | 6.7% | - | - | - | - | - | 10.0% | - | 78.2% | 1.18 | - | 100.0% | - | - | 47.0% | 1.38 | 1.38 | 100.0% | 100.0% | - | 26.7% | 55.6% | 100.0% | - | 0.0% | - | 0.0% | - | 1.72 | - | 34.8% | - | 29.7% | 20.41 | -6.67 | - | 82.0% | 82.0% | 40.0% | 43.7% |
2 / 2 models
| Attribute | GPT-5 Nano OpenAI | GPT-5.4 OpenAI |
|---|---|---|
| Description | GPT-5 nano is an AI model from OpenAI. | GPT-5.4 is an AI model from OpenAI. |
| Family | GPT | GPT |
| Params | - | - |
| Open weights | closed | closed |
| License | proprietary | proprietary |
| Released | 7 Aug 2025 | 5 Mar 2026 |
| Context | 400,000 | 1,050,000 |
| Input $/1M | $0.05 | $2.50 |
| Output $/1M | $0.40 | $15.00 |
| Cache read $/1M | $0.005 | $0.250 |
| Cache write $/1M | - | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | text, image, file | text, image, file |
| Providers | - | - |
| Publisher | OpenAI | OpenAI |
| Reported scores | GPQA Diamond74.8% (AA) SciCode47.1% (AA) τ²-bench (Tau²-bench)36.0% (AA) Terminal-Bench (Hard)37.9% (AA) Vibe Code Bench v1.167.4% |
FAQ
- Is GPT-5 Nano or GPT-5.4 better?
- Across the 22 benchmarks both models report on Sophon, GPT-5.4 leads on 22 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do GPT-5 Nano and GPT-5.4 compare on GPQA Diamond?
- GPT-5 Nano scores 42.8% and GPT-5.4 scores 74.8% on GPQA Diamond.
- Which is cheaper, GPT-5 Nano or GPT-5.4?
- GPT-5 Nano is cheaper at $0.40 per million output tokens against $15.00 for GPT-5.4 - about 37.5x.
- When were GPT-5 Nano and GPT-5.4 released?
- GPT-5 Nano was released 7 Aug 2025 by OpenAI. GPT-5.4 was released 5 Mar 2026 by OpenAI.
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