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Comparison of OpenAI: GPT-5 Nano
1 modelopenaiOpenAI: GPT-5 NanoRemove ×
What’s differentGPT-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…
DateAug 7, 2025Listed
Listed rate$0.025 in / $0.20 out/ 1M tokensOpenAI · via OpenRouter · all routes ↗openai/flex · tier=flex
Provider endpoints6 endpoints →
Context window400K
Max output128K
Parameters—
Tool callingSupported
Structured outputSupported
Image inputSupported
ReasoningSupported
Prompt cachingSupported

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