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 counterparts, it retains key instruction-following and safety features. It is the successor to GPT-4.1-nano and offers a lightweight option for cost-sensitive or real-time applications.
Undisclosed
Parameters
400K tokens
Context Window
Proprietary
License
Aug 7, 2025
Released
💰 Pricing
Input
$0.05
per 1M tokens
Output
$0.40
per 1M tokens
API Available
This model is accessible via API for integration into your applications.
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