Models / openai / GPT-5 Chat

GPT-5 Chat

JSON →
openaillm

The latest stable version of GPT-5 Chat, automatically updated to the most recent snapshot.

textstreamingfunction-callingjson-modetool-usevisionprompt-cachingreasoning
homepage ↗docs ↗
Specs
Context & limits
128K
context window
16K
max output
Lifecycle
Dates
released2025-08-07
knowledge cutoff2025-04-01
Resources
homepagehttps://openai.com/index/gpt-5/ ↗
docshttps://platform.openai.com/docs/models ↗