Codex by OpenAI
AI that writes code for you
Hey!
AI-Powered Pair Programming Friend! ✨
FactScore™ 0Updated February 2026
| Codex by OpenAI | Hey! | |
|---|---|---|
| Rating | 5.0★ | N/A |
| Reviews | 20 | 0 |
| Pros | 0 | 0 |
| FactScore™ | 66.1 | 0 |
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 Hey! — Pros
No unique pros listedOnly in Codex by OpenAI — Cons
—Both tools — Cons
—Only in Hey! — Cons
—Details
| Codex by OpenAI | Hey! | |
|---|---|---|
| Categories | AI Coding Agents | AI Coding Agents, LLMs, Command line tools, AI Code Editors |
| Platforms | Web | Web |
| Became Popular | August 10, 2021 | August 24, 2024 |
| Website | openai.com | github.com |
Who Should Pick Which?
Choose Codex by OpenAI if...
- No unique pros listed
Choose Hey! if...
- No unique pros listed
With a FactScore™ of 66.1 vs 0, Codex by OpenAI leads in community reception. Codex by OpenAI uniquely offers No unique pros listed, while Hey! 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...
Hey!
No reviews yet
Related Comparisons
Frequently Asked Questions
Which is better, Codex by OpenAI or Hey!?
Based on FactScore™, Codex by OpenAI leads with a score of 66.1 vs 0. Codex by OpenAI has a higher rating of 5.0★ compared to N/A★.
What are the pros of Codex by OpenAI compared to Hey!?
Codex by OpenAI uniquely offers: No unique pros listed.
What are the pros of Hey! compared to Codex by OpenAI?
Hey! uniquely offers: No unique pros listed.
Is Codex by OpenAI better rated than Hey!?
Codex by OpenAI is rated 5.0★ from 20 reviews. Hey! is rated N/A★ from 0 reviews.
What is the FactScore™ of Codex by OpenAI and Hey!?
FactScore™ weighs rating and review volume together. Codex by OpenAI scores 66.1 and Hey! scores 0.
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