Codex is now generally available

Source: OpenAI Date: 2025-10-06 URL: https://openai.com/index/codex-now-generally-available

Summary

OpenAI announces Codex — the agentic AI coding product — is now generally available (GA), removing the waitlist and opening access to all ChatGPT Plus, Pro, and Enterprise subscribers. The GA launch marks the transition from controlled preview (where early partners like Datadog and Rakuten were testing) to full commercial availability. October 2025 positions this in the period after GPT-5’s August launch gave Codex its most capable underlying model.

Implications

The coding agent GA moment. Codex’s GA is the inflection point when OpenAI’s agentic coding product enters mainstream developer adoption. Prior to GA, Codex was in controlled preview with selected enterprise partners; after GA, any developer with a ChatGPT subscription can run autonomous coding agents. This directly challenges GitHub Copilot Workspace, Cursor, Aider, and Devin in the coding agent market simultaneously — a competitive signal of OpenAI’s confidence in Codex’s reliability.

Enterprise vs. consumer coding agent. Codex GA’s access through ChatGPT Plus (consumer) and Enterprise (business) tiers simultaneously means OpenAI is targeting both individual developers and corporate engineering teams in one launch. This is different from how GitHub Copilot structured its launch (developer-first, enterprise second). The simultaneous tiers signal OpenAI believes Codex is ready for production enterprise use, not just developer experimentation.