✍️Writing & Content58🎨Image Generation71🎬Video & Animation120🎵Audio & Music100💬Chatbots & Assistants109💻Coding & Development444📈Marketing & SEO197⚡Productivity401🎯Design & UI/UX120📊Data & Analytics126📚Education & Research55💼Business & Finance174🏥Healthcare & Wellness22🔍Search & Knowledge20🤖AI Agent Infrastructure208🛡️AI Security & Testing32🧊3D & Spatial22🔎SEO Tools113🏡Real Estate7🗃️Data Extraction104🧠ADHD & Focus Tools11🔬Research & Academia45🧩LLM APIs & Models34⚙️Automation & Workflows45🔐Security & Privacy31📊Analytics & BI55⚖️Legal & Contracts14
Listed in Coding & Development with 514 other toolsPart of 4824+ curated AI tools on AISO
Codex logo

Codex

OpenAI's autonomous cloud-based coding agent

paidDR 93Included with ChatGPT Pro $200/mo. Uses API credits on o3/o4-mini modelsView full pricing →
💰 View Detailed Pricing →Try Codex →

About Codex

OpenAI's cloud-based coding agent that runs in a sandboxed environment. Codex can read your codebase, write and edit code, run tests, and submit pull requests as an autonomous software engineer.

Does ChatGPT recommend your AI tool?

If you're building in Coding & Development, run a free AI-visibility scan on your own product — we ask ChatGPT across 5 prompt angles and score how often you get named. ~30 seconds, no signup, no card.

Scan my tool — free →Track it monthly — 7 days free →

then $19/mo · cancel anytime

Key Features

✓Sandboxed execution environment
✓Parallel task execution
✓PR generation
✓Test running
✓Codebase reading
✓GitHub integration
0

Tags

codingai agentopenaiautonomouscloudpull requests
🏷️

Is Codex your tool?

This is the page buyers and AI assistants read when they look up Codex. Claim your listing for $19 one-time — no subscription, nothing to cancel — and take a capped slot in your category: each one sells a fixed number, and yours ranks above every free tool in it, with a Featured badge. Prefer it ongoing? Monthly is one click away on the next page.

Claim it — $19 once →
💡

Complete Your Development Stack

Other development tools in our catalog:

1Password

Try Free

Secrets and credential manager

Keep API keys and .env secrets out of your repo

$2.99/mo+Learn more →

Gamma

Try Free

AI presentation builder

Turn ideas into polished decks instantly

Free tier, $10/mo+Learn more →

Consensus

Try Free

AI search across 200M research papers

Source real evidence behind your analysis

Free tier, $8.99/mo+Learn more →

💰 Affiliate disclosure: We may earn a commission if you sign up through these links at no extra cost to you.

Stay updated on Coding & Development tools — join our weekly newsletter

One concise email with fresh launches, trending picks, and featured standouts.

Alternatives to Codex

View all Codex alternatives →

Claude Code

Anthropic's agentic CLI coding tool for the terminal

paid

Devin

Autonomous AI software engineer for full projects

paid

Cursor

AI-first code editor with powerful inline generation

freemiumCompare Codex vs Cursor →

More Coding & Development tools

RegexLint

Test and understand any regex.

TidyCode

Code formatting hub: beautify, minify, validate and convert JSON, XML, SQL, HTML, CSS, YAML.

DeepSeekDSH

Install, troubleshoot, and extend DeepSeek Harness

Codex Reset Live

Independent live tracker for official public Codex usage-reset signals and history.

CodexBar

Free macOS menu bar app tracking usage limits, credits, spend, and resets across 63 AI coding providers

CodexTheme Tools

Browser-local Codex Desktop theme builder.

Agent connectivity: not yet verified