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GPT-5 Nano (OpenAI)

gpt-nano Reasoning Tool Calling Structured Output

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...

Providers 1
Released Aug 7, 2025
Input Modalities text
Output Modalities text
Tarsk Use coding

Available Providers (1)

Provider Model ID Input Cost Output Cost Context Max Output Docs
LLM Gateway openai/gpt-5-nano $0.05/MTok $0.40/MTok 400K 128K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output