Codex by OpenAI

AI that writes code for you

★★★★★ 5.0/5
FactScore™ 66.1
VS

devlo

Build, edit and ship software in one place.

★★★★★ 5.0/5
FactScore™ 23.9

Updated February 2026

Codex by OpenAI devlo
Rating 5.0★ 5.0★
Reviews 20 2
Pros 0 0
FactScore™ 66.1 23.9

FactScore™ Comparison

FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.

👑
66.1
Codex by OpenAI FactScore™
★ Codex by OpenAI wins on FactScore™
23.9
devlo FactScore™

Pros & Cons

Only in Codex by OpenAI — Pros

No unique pros listed

Both tools — Pros

Only in devlo — Pros

No unique pros listed

Only in Codex by OpenAI — Cons

Both tools — Cons

Only in devlo — Cons

Details

Codex by OpenAI devlo
Categories AI Coding Agents AI Coding Agents, AI Code Editors
Platforms Web Web
Became Popular August 10, 2021 December 3, 2025
Website openai.com devlo.ai

Who Should Pick Which?

Choose Codex by OpenAI if...

  • No unique pros listed

Choose devlo if...

  • No unique pros listed

With a FactScore™ of 66.1 vs 23.9, Codex by OpenAI leads in community reception. Codex by OpenAI uniquely offers No unique pros listed, while devlo stands out for No unique pros listed.

3

What Users Say

Codex by OpenAI

J
JJ Sep 30, 2025
★★★★★

Even with new models around, Codex remains one of the most reliable AI coding assistants—fast, structured, and still very useful.

W
Wojciech Oct 30, 2025
★★★★★

Still the fastest way to get a working regex or a complex utility function from a single-line comment.

T
Tadashi Jan 4, 2026
★★★★★

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...

devlo

Frequently Asked Questions

Which is better, Codex by OpenAI or devlo?

Based on FactScore™, Codex by OpenAI leads with a score of 66.1 vs 23.9. Codex by OpenAI has a higher rating of 5.0★ compared to 5.0★.

What are the pros of Codex by OpenAI compared to devlo?

Codex by OpenAI uniquely offers: No unique pros listed.

What are the pros of devlo compared to Codex by OpenAI?

devlo uniquely offers: No unique pros listed.

Is Codex by OpenAI better rated than devlo?

Codex by OpenAI is rated 5.0★ from 20 reviews. devlo is rated 5.0★ from 2 reviews.

What is the FactScore™ of Codex by OpenAI and devlo?

FactScore™ weighs rating and review volume together. Codex by OpenAI scores 66.1 and devlo scores 23.9.

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