OpenAI: GPT-5 Nano API Pricing
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...
Input / 1M tokens
$0.05
Output / 1M tokens
$0.40
Cost per request (1K in / 500 out)
$0.0003
~$0.25 per 1M tokens mixed
Specifications
Context Window 400K tokens
Max Output Tokens 0
Vision Support Yes
Function Calling No
Streaming Yes
Modality multimodal
Release Date 2025-08-07
Price history will appear here after the first price change is detected.
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