OpenAI Codex/ChatGPT lead Tibo (@thsottiaux) clarified that third-party clients using Sign in With ChatGPT for Codex is not an approved use. OpenAI supports pure open-source clients and partners with existing relationships; others must reach out. The clarification matters for third-party Codex clients and proxy tooling compliance.

Key Takeaways

  • ✓Sign in With ChatGPT is not approved for ad-hoc third-party Codex clients.
  • ✓Only pure OSS clients and existing partners are supported.
  • ✓Other third parties must contact OpenAI before integrating.
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Up NextOpenAI will pool ChatGPT and Codex into one token-based usage allowance starting in December for Plus, Pro, and Business; Instant chat is excluded
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