Codex by OpenAI

AI that writes code for you

★★★★★ 5.0/5
FactScore™ 66.1
VS

Windows 9X

Windows 98 but all of the apps are AI generated.

FactScore™ 0

Updated February 2026

Codex by OpenAI Windows 9X
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™
Windows 9X FactScore™

Pros & Cons

Only in Codex by OpenAI — Pros

No unique pros listed

Both tools — Pros

Only in Windows 9X — Pros

No unique pros listed

Only in Codex by OpenAI — Cons

Both tools — Cons

Only in Windows 9X — Cons

Details

Codex by OpenAI Windows 9X
Categories AI Coding Agents AI Coding Agents
Platforms Web Web
Became Popular August 10, 2021 August 7, 2024
Website openai.com windows9x.com

Who Should Pick Which?

Choose Codex by OpenAI if...

  • No unique pros listed

Choose Windows 9X 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 Windows 9X 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...

Windows 9X

No reviews yet

Frequently Asked Questions

Which is better, Codex by OpenAI or Windows 9X?

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 Windows 9X?

Codex by OpenAI uniquely offers: No unique pros listed.

What are the pros of Windows 9X compared to Codex by OpenAI?

Windows 9X uniquely offers: No unique pros listed.

Is Codex by OpenAI better rated than Windows 9X?

Codex by OpenAI is rated 5.0★ from 20 reviews. Windows 9X is rated N/A★ from 0 reviews.

What is the FactScore™ of Codex by OpenAI and Windows 9X?

FactScore™ weighs rating and review volume together. Codex by OpenAI scores 66.1 and Windows 9X scores 0.

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