this has one of the most exciting launch weeks in OpenAI's history, with a goal of making agents more real, useful, and accessible for all our users. codex can now smartly do much more on your computer, remember more of your context, and run more ongoing work independently.
@gdb
-
GPT-5.5 achieves SOTA performance on long-running tasks
By
–
SOTA perf from GPT-5.5 for long-running tasks:
-
GPT-5.5 Released: Major Performance Improvements Available
By
–
gpt-5.5 is a big step up in performance, give it a try:
-
GPT-5.5 Now Available in GitHub Copilot
By
–
gpt-5.5 is now in GitHub Copilot! https://t.co/3DVWFCoTP0
— Greg Brockman (@gdb) 24 avril 2026gpt-5.5 is now in GitHub Copilot!
-
Codex App Transforms Into Something Fundamentally New
By
–
codex app is becoming something fundamentally new
-
Self-Knowledge Enhances Codex Usability and Performance
By
–
self-knowledge makes codex so much more usable
-
Guardian Agent Auto-Review Safety Evaluation in Codex
By
–
auto-review now live in codex — using a guardian agent to evaluate the safety of proposed actions, reducing human approvals to only when they're really needed. https://t.co/B1IhkqBZaL
— Greg Brockman (@gdb) 24 avril 2026auto-review now live in codex — using a guardian agent to evaluate the safety of proposed actions, reducing human approvals to only when they're really needed.