On May 14, OpenAI CEO Sam Altman announced that companies that intend to switch to Codex within the next 30 days can receive a two-month full Enterprise version usage license. Companies can submit an application form through the official OpenAI website, or redeem using promotional codes from partner channels (such as Stripe Atlas).
Promotion Terms and Confirmed Redemption Channels
Redemption deadline: Within 30 days from the date of the announcement
Redemption channels (two confirmed):
Submit an application form via the official OpenAI website: Redeem directly using a promotional code from a partner channel (such as Stripe Atlas)
Promotion content: Two months of full Enterprise version Codex usage rights
Codex Recent Milestones and Related Policy Changes
Weekly active users reach 3 million (April 8): Codex lead Thibault Sottiaux confirmed that weekly active users grew from 2 million to 3 million within one month. Sam Altman announced that for every additional 1 million users, OpenAI will reset the usage limits for all users; this mechanism continues until the total number of users reaches 10 million.
Retirement of older models (April 14): OpenAI has retired the older Codex models and simultaneously launched GPT 5.2-codex, GPT 5.1 codex mini, GPT 5.1 codex Max, GPT 5.1 codex, GPT 5.1, and GPT 5.
Waiver of seat fees: OpenAI waived the seat fees for the Codex commercial version at the end of last month.
Anthropic’s Billing Adjustment on the Same Day: Background on the Timing of the Promotion
On the same day, Anthropic announced that it would separate API calls of third-party proxy tools from Claude subscription quotas and move to separate billing. This change increased actual usage costs for some enterprise users, and the community criticized it as a “de facto quota reduction.” The announcement of OpenAI’s free enterprise version promotion and Anthropic’s billing adjustment were released on the same day, and Sam Altman’s announcement was clearly targeted at the group of companies that “intend to switch to Codex.”
Frequently Asked Questions
How can enterprises apply for two months of Codex for free within 30 days?
According to the OpenAI announcement, enterprises have two confirmed redemption channels: submitting an application form via the official OpenAI website, or using promotional codes from partner channels such as Stripe Atlas. The redemption window is 30 days after the announcement.
What are the triggers for the Codex usage reset?
Sam Altman confirmed that for every additional 1 million weekly active users for Codex, OpenAI will reset the usage limits for all users; this mechanism continues until the total number of users reaches 10 million. The most recent reset was triggered when it reached 3 million users on April 8.
After the older Codex models were retired on April 14, what new models are available currently?
OpenAI confirmed the newly launched next-generation models include: GPT 5.2-codex, GPT 5.1 codex mini, GPT 5.1 codex Max, GPT 5.1 codex, GPT 5.1, and GPT 5, fully replacing the older Codex models.
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