Codex by OpenAI
AI that writes code for you
Google Antigravity
Run and monitor several coding agents at once in an IDE
Updated February 2026
| Codex by OpenAI | Google Antigravity | |
|---|---|---|
| Rating | 5.0★ | 4.8★ |
| Reviews | 20 | 8 |
| Pros | 0 | 0 |
| FactScore™ | 66.1 | 45.3 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Codex by OpenAI — Pros
No unique pros listedBoth tools — Pros
—Only in Google Antigravity — Pros
No unique pros listedOnly in Codex by OpenAI — Cons
—Both tools — Cons
—Only in Google Antigravity — Cons
—Details
| Codex by OpenAI | Google Antigravity | |
|---|---|---|
| Categories | AI Coding Agents | AI Coding Agents, AI Code Editors |
| Platforms | Web | Web |
| Became Popular | August 10, 2021 | November 20, 2025 |
| Website | openai.com | antigravity.google |
Who Should Pick Which?
Choose Codex by OpenAI if...
- No unique pros listed
Choose Google Antigravity if...
- No unique pros listed
With a FactScore™ of 66.1 vs 45.3, Codex by OpenAI leads in community reception. Codex by OpenAI uniquely offers No unique pros listed, while Google Antigravity stands out for No unique pros listed.
What Users Say
Codex by OpenAI
Even with new models around, Codex remains one of the most reliable AI coding assistants—fast, structured, and still very useful.
Still the fastest way to get a working regex or a complex utility function from a single-line comment.
OpenAI Codex has become an essential part of our development workflow. With our AGENTS.md providing project context, Codex understands our monorepo architecture and coding conventions, autonomously...
Google Antigravity
The most important thing is going to be model accuracy. It's worth giving up on UX for better code generation.In that sense, I actually stalled. Antigravity had momentum, but then stalled and faile...
Antigravity is really good
I’ve used Cursor and Claude Code extensively, but they always felt like advanced autocomplete. I chose Antigravity because it bridges the gap between "writing code" and "getting things done." The a...
Related Comparisons
Frequently Asked Questions
Which is better, Codex by OpenAI or Google Antigravity?
Based on FactScore™, Codex by OpenAI leads with a score of 66.1 vs 45.3. Codex by OpenAI has a higher rating of 5.0★ compared to 4.8★.
What are the pros of Codex by OpenAI compared to Google Antigravity?
Codex by OpenAI uniquely offers: No unique pros listed.
What are the pros of Google Antigravity compared to Codex by OpenAI?
Google Antigravity uniquely offers: No unique pros listed.
Is Codex by OpenAI better rated than Google Antigravity?
Codex by OpenAI is rated 5.0★ from 20 reviews. Google Antigravity is rated 4.8★ from 8 reviews.
What is the FactScore™ of Codex by OpenAI and Google Antigravity?
FactScore™ weighs rating and review volume together. Codex by OpenAI scores 66.1 and Google Antigravity scores 45.3.
Don't Get Fooled by Fake Social Media Videos
The world's first fact checker for social media. Paste any link and get an instant credibility score with sources.
Try FactCheckTool Free