Models / openai / GPT-5.1 (2025-11-13)

GPT-5.1 (2025-11-13)

JSON →
openaillm

A dated snapshot of the GPT-5.1 model released on November 13, 2025.

textimageaudiotool-usejson-modevisionprompt-cachingstreamingreasoningcode-generationfunction-calling
homepage ↗docs ↗
Specs
Context & limits
272K
context window
128K
max output
Lifecycle
Dates
released2025-11-13
knowledge cutoff2025-09-01
Resources
homepagehttps://platform.openai.com/docs/models/gpt-5.1 ↗
docshttps://platform.openai.com/docs/api-reference/chat ↗