GPT-4.1 Nano vs GPT-5 Nano
Head to head on 22 shared benchmarks, with price, context window, and release dates.
Benchmark scores
60evals · sort by any column, ⤢ to expand fullscreen
| Model | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GPT-5 Nano OpenAI | 83.7% | 0.25 | 0.21 | 6.7% | 705elo | 28 | 8.3% | 1.18 | 67.6% | 9.5% | 67.6% | 78.9% | 78.0% | 53.6% | 36.6% | 1.72 | 67.4% | 12.1% | 29.7% | 82.0% | 82.0% | 36.5% | 0.0% | - | - | - | - | - | - | 10.0% | 78.2% | 100.0% | - | - | 52.8% | 62.4% | 43.4% | 55.7% | 46.8% | 68.4% | 40.3% | - | 1.38 | 1.38 | 100.0% | 100.0% | - | 26.7% | 30.4% | 72.9% | 100.0% | 0.0% | 0.0% | 12.0% | 30.4% | 34.8% | - | 20.41 | -6.67 | 40.0% | 48.9% |
| GPT-4.1 Nano OpenAI | 24.0% | 1.53 | -0.17 | 3.3% | 946elo | 32.4 | 1.0% | 0.39 | 51.2% | 3.8% | 32.0% | 32.6% | 65.7% | 52.8% | 25.9% | 0.44 | 60.8% | 3.8% | 39.8% | 68.0% | 68.0% | 17.3% | - | 8.9% | 23.7% | 10.7% | 0.0% | 42.5% | 42.1% | - | - | - | 1.46 | 0.0% | - | - | - | - | - | - | - | 10.8% | - | - | - | - | 84.8% | - | - | - | - | - | - | - | - | - | 1.64 | - | - | - | 30.9% |
2 / 2 models
| Attribute | GPT-4.1 Nano OpenAI | GPT-5 Nano OpenAI |
|---|---|---|
| Description | GPT-4.1 Nano 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 | $0.10 | $0.05 |
| Output $/1M | $0.40 | $0.40 |
| Cache read $/1M | $0.025 | $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 Nano or GPT-5 Nano better?
- Across the 22 benchmarks both models report on Sophon, GPT-5 Nano leads on 18 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-5 Nano compare on GPQA Diamond?
- GPT-4.1 Nano scores 51.2% and GPT-5 Nano scores 67.6% on GPQA Diamond.
- When were GPT-4.1 Nano and GPT-5 Nano released?
- GPT-4.1 Nano was released 14 Apr 2025 by OpenAI. GPT-5 Nano was released 7 Aug 2025 by OpenAI.
Other head-to-heads
56GPT-5 Mini vs GPT-5 Nano38 shared evalsClaude Sonnet 4.5 vs GPT-5 Nano31 shared evalsGPT-5 vs GPT-5 Nano28 shared evalsGPT-4.1 Mini vs GPT-4.1 Nano27 shared evalsGPT-4.1 Mini vs GPT-5 Nano26 shared evalsGPT-5 Nano vs GPT-5.226 shared evalsClaude Opus 4.5 vs GPT-5 Nano26 shared evalsClaude 4 Sonnet vs GPT-5 Nano25 shared evalsGemini 2.5 Pro vs GPT-5 Nano24 shared evalsGPT-5 Nano vs Grok 4.1 Fast24 shared evalsGPT-5 Nano vs GPT-5.523 shared evalsClaude Opus 4.6 vs GPT-5 Nano23 shared evalsGLM 4.7 vs GPT-5 Nano23 shared evalsGemini 3.1 Pro Preview vs GPT-5 Nano22 shared evalsClaude Opus 4.8 vs GPT-5 Nano22 shared evalsGPT-5 Nano vs GPT-5.422 shared evalsGPT-5 Nano vs Kimi K2.522 shared evalsClaude Opus 4.7 vs GPT-5 Nano22 shared evalsDeepSeek V3.2 vs GPT-5 Nano22 shared evalsGPT-5 Nano vs gpt-oss-120b22 shared evalsGPT-4.1 vs GPT-4.1 Nano22 shared evalsGPT-4.1 Nano vs GPT-5 Mini21 shared evalsGPT-4.1 Nano vs GPT-521 shared evalsClaude Fable 5 vs GPT-5 Nano21 shared evalsGLM 5.1 vs GPT-5 Nano21 shared evalsGPT-4.1 vs GPT-5 Nano20 shared evalsClaude Sonnet 4.6 vs GPT-5 Nano20 shared evalsGPT-5.4 Mini vs GPT-5 Nano20 shared evalsGPT-5 Nano vs Qwen3.6 Plus19 shared evalsGPT-4o vs GPT-5 Nano18 shared evalsGemini 2.5 Pro vs GPT-4.1 Nano18 shared evalsGPT-4.1 Nano vs GPT-4o-mini17 shared evalsClaude Sonnet 4.5 vs GPT-4.1 Nano16 shared evalsGPT-4o-mini vs GPT-5 Nano16 shared evalsClaude 4 Sonnet vs GPT-4.1 Nano16 shared evalsGPT-4.1 Nano vs GPT-4o16 shared evalsGPT-4.1 Nano vs GPT-5.215 shared evalsClaude Opus 4.5 vs GPT-4.1 Nano15 shared evalsDeepSeek V3.2 vs GPT-4.1 Nano15 shared evalsGPT-4.1 Nano vs Grok 4.1 Fast14 shared evalsGPT-4.1 Nano vs gpt-oss-120b14 shared evalsGLM 4.7 vs GPT-4.1 Nano14 shared evalsGPT-4.1 Nano vs GPT-5.513 shared evalsGemini 3.1 Pro Preview vs GPT-4.1 Nano12 shared evalsClaude Opus 4.8 vs GPT-4.1 Nano12 shared evalsClaude Opus 4.6 vs GPT-4.1 Nano12 shared evalsGPT-4.1 Nano vs GPT-5.412 shared evalsGPT-4.1 Nano vs Kimi K2.512 shared evalsClaude Sonnet 4.6 vs GPT-4.1 Nano12 shared evalsGLM 5.1 vs GPT-4.1 Nano12 shared evalsClaude Opus 4.7 vs GPT-4.1 Nano12 shared evalsGPT-4.1 Nano vs GPT-5.4 Mini12 shared evalsClaude Fable 5 vs GPT-4.1 Nano11 shared evalsGPT-5 Nano vs GPT-6 Astra10 shared evalsGPT-4.1 Nano vs Qwen3.6 Plus10 shared evalsGPT-4.1 Nano vs GPT-6 Astra6 shared evals
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