BrianOnAIOpenAI: GPT-5 Nano
byOpenAI
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.
Pricing
Input
$0.05 / 1M tokens
Output
$0.40 / 1M tokens
Specifications
Context Window400K tokens
Max Output128K tokens
Modalitymultimodal
Input Typestext, image, file
Output Typestext
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