GPT-4o vs GPT-5 Nano
Head to head on 18 shared benchmarks, with price, context window, and release dates.
Benchmark scores
64evals · sort by any column, ⤢ to expand fullscreen
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| GPT-5 Nano OpenAI | 83.7% | 10.0% | 8.3% | 67.6% | 9.5% | 67.6% | 52.8% | 62.4% | 55.7% | 46.8% | 78.9% | 78.0% | 53.6% | 36.6% | 34.8% | 67.4% | 12.1% | 36.5% | 0.0% | - | - | - | - | 0.25 | 0.21 | - | 6.7% | - | 705elo | 28 | 78.2% | 1.18 | - | 100.0% | - | 43.4% | 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% | - | 1.72 | - | 29.7% | - | 20.41 | -6.67 | 82.0% | 82.0% | 40.0% | - | 48.9% |
| GPT-4o OpenAI | 6.0% | 6.1% | 0.3% | 54.3% | 2.4% | 34.3% | 55.1% | 46.1% | 70.1% | 49.0% | 30.9% | 74.8% | 57.4% | 33.3% | 21.6% | 74.5% | 8.3% | 25.1% | - | 18.2% | 15.0% | 38 | 0.0% | - | - | 0.33 | - | 45.9% | - | - | - | - | 96.1 | - | 0.0% | - | - | - | - | - | - | - | 75.9% | - | - | 10.8% | - | - | - | 54.0% | - | - | - | 5.71 | - | 61.2 | - | 0.98 | - | - | - | - | - | 32.5% | 33.4% |
2 / 2 models
| Attribute | GPT-4o OpenAI | GPT-5 Nano OpenAI |
|---|---|---|
| Description | GPT-4o 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 | 20 Nov 2024 | 7 Aug 2025 |
| Context | 128,000 | 400,000 |
| Input $/1M | $2.50 | $0.05 |
| Output $/1M | $10.00 | $0.40 |
| Cache read $/1M | $1.250 | $0.005 |
| 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 | Taubench61.2 pass^1 GSM8K96.1 Accuracy ScholarSearch5.71 Social Sciences & Humanities (%) MortgageTax57.4% AIME202438 pass@1 |
FAQ
- Is GPT-4o or GPT-5 Nano better?
- Across the 18 benchmarks both models report on Sophon, GPT-5 Nano leads on 13 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do GPT-4o and GPT-5 Nano compare on GPQA Diamond?
- GPT-4o scores 54.3% and GPT-5 Nano scores 67.6% on GPQA Diamond.
- Which is cheaper, GPT-4o or GPT-5 Nano?
- GPT-5 Nano is cheaper at $0.40 per million output tokens against $10.00 for GPT-4o - about 25.0x.
- When were GPT-4o and GPT-5 Nano released?
- GPT-4o was released 20 Nov 2024 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-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-4.1 Nano vs GPT-5 Nano22 shared evalsGPT-5 Nano vs gpt-oss-120b22 shared evalsGemini 2.5 Pro vs GPT-4o22 shared evalsClaude Sonnet 4.5 vs GPT-4o21 shared evalsClaude Fable 5 vs GPT-5 Nano21 shared evalsGLM 5.1 vs GPT-5 Nano21 shared evalsGPT-4o vs GPT-4o-mini21 shared evalsGPT-4.1 Mini vs GPT-4o20 shared evalsGPT-4o vs GPT-5 Mini20 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 evalsClaude 4 Sonnet vs GPT-4o20 shared evalsGPT-4o vs GPT-519 shared evalsGPT-5 Nano vs Qwen3.6 Plus19 shared evalsGPT-4.1 vs GPT-4o19 shared evalsGPT-4o vs GPT-5.218 shared evalsClaude Opus 4.5 vs GPT-4o18 shared evalsDeepSeek V3.2 vs GPT-4o18 shared evalsGPT-4o vs gpt-oss-120b17 shared evalsGPT-4o-mini vs GPT-5 Nano16 shared evalsGPT-4.1 Nano vs GPT-4o16 shared evalsGPT-4o vs Grok 4.1 Fast16 shared evalsGLM 4.7 vs GPT-4o16 shared evalsGPT-4o vs GPT-5.515 shared evalsClaude Opus 4.6 vs GPT-4o15 shared evalsGPT-4o vs Kimi K2.515 shared evalsGemini 3.1 Pro Preview vs GPT-4o14 shared evalsClaude Opus 4.8 vs GPT-4o14 shared evalsGPT-4o vs GPT-5.414 shared evalsClaude Sonnet 4.6 vs GPT-4o14 shared evalsGLM 5.1 vs GPT-4o14 shared evalsClaude Opus 4.7 vs GPT-4o14 shared evalsGPT-4o vs Qwen3.6 Plus14 shared evalsGPT-4o vs GPT-5.4 Mini14 shared evalsClaude Fable 5 vs GPT-4o13 shared evalsGPT-5 Nano vs GPT-6 Astra10 shared evalsGPT-4o vs GPT-6 Astra4 shared evals
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