Models / openai / GPT-5.4 (2026-03-05)

GPT-5.4 (2026-03-05)

JSON →
openaillm

A dated snapshot of GPT-5.4, providing a stable version for reproducibility and testing.

texttool-usejson-modestreamingreasoningcode-generationfunction-callingvisionprompt-caching
homepage ↗docs ↗
Specs
Context & limits
1M
context window
128K
max output
Lifecycle
Dates
released2026-03-05
knowledge cutoff2025-12-01
Resources
homepagehttps://openai.com/gpt-5 ↗
docshttps://platform.openai.com/docs/models/gpt-5 ↗