GPT-5
OpenAI · 2025-08-07
GPT-5 is OpenAI's reasoning model for coding, reasoning, and agentic tasks across domains, released in the API alongside GPT-5 mini and nano. The gpt-5 API model supports configurable minimal, low, medium, and high reasoning effort and is distinct from ChatGPT's GPT-5 system of reasoning, non-reasoning, and router models.