Codex· OpenAIManual reset
Codex rate limits reset at 4M active users milestone
Sam Altman announced that Codex had reached 4 million active users less than two weeks after the 3M milestone and that OpenAI would reset rate limits that day. This was the next milestone reset under the earlier pledge to reset limits at each additional million users up to 10M.
At a glance
- Agent
- Codex · OpenAI
- Event type
- Manual reset
- Announced
- April 21, 2026
- Effective
- April 21, 2026
- Plans affected
- ChatGPT PlusChatGPT ProBusinessEnterprise
What changed
- Reset announced on April 21, 2026.
- Followed the April 7 3M weekly-user reset commitment.
- Public reporting quoted Altman's post: “Codex hit 4M active users… We will reset rate limits today!”
Official record
This event is documented in OpenAI's own materials. The link below is the canonical source we cite.
Sam Altman post quoted by IBTimes (Apr 21, 2026)Additional references