GPT-5 Thinking

gpt-5-2025-08-07.description

GPT-5 mini is a faster, more cost-efficient version of GPT-5. Great for well-defined tasks and precise prompts with high reasoning capabilities.

GPT-5 nano is our fastest, cheapest version of GPT-5. Great for summarization and classification tasks with average reasoning capabilities.

GPT model for web search in Chat Completions. High performance model trained to understand and execute web search queries with additional per-tool-call fees. No function calling support.

Fast, affordable small model for web search. Specialized for web search in Chat Completions with additional per-tool-call fees. No function calling support.

o1-mini is a fast and cost-effective reasoning model designed for programming, mathematics, and scientific applications. This model features a 128K context and has a knowledge cutoff date of October 2023.

o1 is OpenAI's new reasoning model, suitable for complex tasks that require extensive general knowledge. This model features a 128K context and has a knowledge cutoff date of October 2023.

gpt-4.1-mini.description