Extensions/AI/Codex – OpenAI’s coding agent

Codex – OpenAI’s coding agent

Verified publisher
by OpenAI·openai.chatgpt

What a VS Code verified publisher badge means, compared with Open VSX →

Codex is a coding agent that works with you everywhere you code — included in ChatGPT Plus, Pro, Business, Edu, and Enterprise plans.

Tracked since 5 Sept 2026

Daily readings on both stores, taken by us. As of 24 Sept 2026.

Installs and downloads per day, last 7 daysDay-over-day change in each store's counter, with release markers.
7d30d90d1yAll

Each bar is one day’s change in the store’s own counter. Open VSX counts a download on every update, so a day includes updates by people who already had it. Days before 5 Sept are reconstructed from public archives rather than read by us.

Seven days here. Tracking adds every day since 5 Sept 2026, with release markers.Track this extension

Where Codex – OpenAI’s coding agent ranks in search

Positions observed daily on both stores. Neither store publishes this, and the two run separate search engines over separate catalogues.

Track this extension
Daily search positions for Codex – OpenAI’s coding agent on the VS Code Marketplace and Open VSX, one row per search phrase.
SearchMarketplaceOpen VSX
code#65of 38,277#389of 7,098↓10 7d
codex#2of 1,088#7of 6,451↓1 7d

22 more searches, day-by-day history, and the extensions ranked above it.

VS Code Marketplace search ranking: measuring jitter and real movement →

Marketplace
Installs
14.7M+1.8% 7d
Rating
3.06from 587 ratings
Rank in AI
#5of 4,146
Latest
v26.5917.6205123 Sept 2026

549 releases · first published Mar 2025

Open VSX

Why the Open VSX download count looks inflated →

Downloads
12.0M+0.9% 7d
Rating
3.9from 29 reviews
Rank in AI
#3of 1,178
Latest
v0.5.7826 Feb 2026

Downloads count every update, not unique installs.

What the publisher says

Codex – OpenAI’s coding agent’s own readme, changelog and license, as published to the VS Code Marketplace.