GPT-5 Nano
OpenAI
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...
What is 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...
Specifications
- Developer: OpenAI
- Context window: 400K tokens
- Max output: — tokens
- Input modalities: text, image, file
- Output modalities: text
- Input price: $0.0500 per 1M tokens
- Output price: $0.4000 per 1M tokens
- Knowledge cutoff: 2024-05-31
- Supported parameters: include_reasoning, max_completion_tokens, max_tokens, reasoning, response_format, seed, structured_outputs, tool_choice, tools
Use GPT-5 Nano with PromptLayer
PromptLayer lets teams manage, evaluate, and observe prompts that run on GPT-5 Nano alongside every other model in their stack. Version prompts, run evals across models, and ship safe rollouts from the same dashboard.
Ready to try it yourself? Sign up for PromptLayer and start managing your prompts in minutes.