Soumith Chintala Says Codex Is Allowlisted on OpenRouter

Soumith Chintala replied on X that Codex should already be allowlisted on OpenRouter, citing the service's confirmation, and asked what error the user saw. Ben Anderson replied that he received a 403 error stating Codex is only allowed with agentic harnesses. Anderson noted the same setup worked with Claude code but not Codex. The two-post exchange on X shows differing reports on access status for the CLI tool.