# Tester builds same Chrome extension with three AI coding tools, keeps one

> Original title: I made Claude Code, Codex, and Antigravity build the same Chrome extension, and only one was a keeper

- Source: X search: indie AI launches (I built, solo founder)
- Published: 2026-11-08T17:30:05.000Z
- Bad Influence: https://badinfluence.news/items/gz6yujj4i6vmj07k7xm423r93
- Original: https://x.com/xdadevelopers/status/2119482602369225085

## Summary

A solo developer had Claude Code, Codex, and Antigravity each build the same Chrome extension, and reports that only one result was worth keeping. The post links to a write-up with the comparison.

## Post

I made Claude Code, Codex, and Antigravity build the same Chrome extension, and only one was a keeper
https://bit.ly/3Wv6MUu

![I made Claude Code, Codex, and Antigravity build the same Chrome extension, and only one was a keeper](https://badinfluence.news/api/img-proxy?u=https%3A%2F%2Fpbs.twimg.com%2Fmedia%2FHWnqMfbXAAEmCxb.jpg&mode=thumb&exp=1794528000&sig=3217dc568c347e59)