OpenAI Codex 93.1

OpenAI's coding agent: open-source CLI plus cloud tasks.

Category

Coding agents

Ranking

#3 in Best AI code editors & coding agents

Why it's ranked

Open-source CLI and cloud agent that can work through tasks in parallel.

Pricing

Included with ChatGPT plans (check the vendor's site for current prices)

GitHub

openai/codex · ★ 129,060 (as of 2026-10-14)

Editor's score

90/100

Added

2026-10-13

Last reviewed

2026-10-13

Alternatives to OpenAI Codex

1. 1

   Claude Code

   Coding agents ★ 151k

   Anthropic's agentic coding tool that runs in your terminal and IDE.

   97.2
2. 2

   Cline

   Coding agents ★ 70k

   Open-source autonomous coding agent extension for VS Code.

   84.8
3. 3

   Aider

   Coding agents ★ 50k

   AI pair programming in your terminal with automatic git commits.

   80.7