About 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.
Specifications
- Provider
- OpenAI
- Context Length
- 400,000 tokens
- Input Types
- text, image, file
- Output Types
- text
- Category
- GPT
- Added
- 8/7/2025
Frequently Asked Questions
Common questions about GPT-5 Nano