r/codex↗
Codex coding tools by OpenAI - Codex CLI and IDE Extension
This is the information and discussion subreddit for OpenAI Codex tools - Codex CLI, Codex IDE Extension and Codex in the Cloud that are included in ChatGPT Plus, Pro, Business, Edu, and Enterprise plans. r/Codex is designed to foster community discussion. Posting priority favors those who help others here. This subreddit is not an official OpenAI subreddit.
224k subscribers8,911 posts / mo in Sep 2026 (incl. <1% by known bots)5,417 authors / mosince 2011
r/codex has 224k members (+2102% over the last 12 months). It gets about 8,911 posts a month from 5,417 people. Top topics: GPT-Rerouting Controversy, Claude Code and OpenAI Models.
When to post on r/codex
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How r/codex has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/codex
Top topics
Share of the subreddit's posts
- GPT-Rerouting Controversy1.3%
- Claude Code1.2%
- OpenAI Models1.0%
- OpenAI Updates0.9%
- New CodexLeaks0.8%
Brands people mention
Most-mentioned brands and sites, last 12 months
- ChatGPT
- Claude Code Docs
- Apple
- Artificialanalysis
- Wolfram
Everything else about r/codex
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research