OpenAIretiredmoderate

o3-deep-research

Deep research preview path.

DeprecatedYes

Shutdown2026-07-23

Statusretired

Replacementgpt-5.4-pro

Already retiredThis id is past its shutdown date. Keep this page for migration archaeology only.

Quick fix — copy & paste

Breaks on 2026-07-23

model = "o3-deep-research"

Use this instead

model = "gpt-5.4-pro"