OpenAI: GPT-5 Nano
openai/gpt-5-nano
Context: 400,000In: $0.05/1MOut: $0.40/1MUpdated 2026-10-04
GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger...
Intelligence
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Coding
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Agentic
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Metric profile
Trend over time
Classic evals (curated from model cards)
OpenAI GPT — manually maintained, may lag releases
MMLU-Pro
79.6%
GPQA Diamond
81.5%
HumanEval
96.8%
MATH-500
93%
Design Arena (ELO by category)
| Category | ELO | Win rate | Rank |
|---|---|---|---|
| website | 1108 | 48.9% | #97 |
| codecategories | 1090 | 48% | #96 |
| uicomponent | 1073 | 51.9% | #96 |
| dataviz | 1064 | 46.2% | #101 |
| gamedev | 1057 | 46.5% | #100 |
| 3d | 981 | 36.3% | #108 |