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OpenAIOfficial
OpenAI: GPT-5 Nano
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...
Pricing
Input
$0.05/1M tokens
Output
$0.40/1M tokens
Cache Read
$0.01/1M tokens
Capabilities
Context Window400K tokens
SpeedFast
Release2025-08
Vision
Tool Use
API Access
Local / Open
API Access
Official Links
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