What Tibo (@thsottiaux) wrote on X on October 10, 2026 (UTC): 10 posts and replies in the archive, newest first, including the Codex reset he announced that day.
@rohit3a Folks. Why do you think we picked 300k for context length for Codex.
We ran the numbers and it’s better. We can run it at 1M too but it would just cost more of the usage. Good defaults are important.