Codex by OpenAI

AI that writes code for you

★★★★★ 5.0/5
FactScore™ 66.1
VS

OpenCopilot

Build AI copilots for your own SaaS product

FactScore™ 0

Updated February 2026

Codex by OpenAI OpenCopilot
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.

👑
66.1
Codex by OpenAI FactScore™
★ Codex by OpenAI wins on FactScore™
OpenCopilot FactScore™

Pros & Cons

Only in Codex by OpenAI — Pros

No unique pros listed

Both tools — Pros

Only in OpenCopilot — Pros

No unique pros listed

Only in Codex by OpenAI — Cons

Both tools — Cons

Only in OpenCopilot — Cons

Details

Codex by OpenAI OpenCopilot
Categories AI Coding Agents AI Coding Agents, AI Chatbots, Unified API, AI Infrastructure Tools
Platforms Web Web
Became Popular August 10, 2021 August 23, 2023
Website openai.com opencopilot.so

Who Should Pick Which?

Choose Codex by OpenAI if...

  • No unique pros listed

Choose OpenCopilot 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 OpenCopilot 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...

OpenCopilot

No reviews yet

Frequently Asked Questions

Which is better, Codex by OpenAI or OpenCopilot ?

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 OpenCopilot ?

Codex by OpenAI uniquely offers: No unique pros listed.

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

OpenCopilot uniquely offers: No unique pros listed.

Is Codex by OpenAI better rated than OpenCopilot ?

Codex by OpenAI is rated 5.0★ from 20 reviews. OpenCopilot is rated N/A★ from 0 reviews.

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

FactScore™ weighs rating and review volume together. Codex by OpenAI scores 66.1 and OpenCopilot scores 0.

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