AI coding assistants · #5 of 34 · ↑ Aider · ↓ Windsurf

OpenAI Codex

OpenAI Codex ranks #5 of 34 in ai coding assistants in the week of 12 October 2026, with a visibility score of 22 across ChatGPT, Claude, Gemini and Perplexity. It was named in 33% of the answers we sampled.

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OpenAI Codex scores 21 out of 100 overall, named in 22 of 70 answers across AI assistants. ChatGPT rates it highest at 37, Claude at 30, Perplexity at 8, and Gemini doesn't name it at all, scoring 0. It shows up most for whole-codebase coding agents (3 of 4 answers) and terminal-based coding assistants, where it's named in all 3 answers asked. It also gets mentions for writing tests, top assistants in 2026, and value for money. It's never named for local/privacy use, beginners, pull request review, free tools, or VS Code specifically.

Who's talking about you

assistant	score	named in, this week	usual spot, this week
ChatGPT	39	55% of answers	#3.5
Claude	29	40% of answers	#4.4
Gemini	0	0% of answers
Perplexity	12	21% of answers	#3.0

Questions you win

question	named in	best spot
What are the best AI coding agents that can work across a whole codebase?	3 of 3	#2
What's the best AI coding assistant that works in the terminal?	3 of 3	#2
What are the best alternatives to Claude Code?	3 of 4	#1
Which AI coding tool writes the most reliable code?	3 of 4	#2
What are the best alternatives to Cursor?	3 of 4	#2
What are the best alternatives to GitHub Copilot?	3 of 4	#3
Which AI coding assistant is best for professional developers?	3 of 4	#4
Which AI coding assistant is best for large codebases?	2 of 3	#4
What are the top AI coding assistants in 2026?	2 of 4	#2
What are the best alternatives to Aider?	2 of 4	#3
What's the best AI tool for writing and fixing React and Next.js code?	1 of 3	#4
What's the best AI code editor right now?	1 of 3	#5
Which AI coding assistant gives the best value for the money?	1 of 3	#5
What are the best alternatives to Windsurf?	1 of 3	#7
What's the best AI coding assistant for a solo developer building a SaaS?	1 of 4	#3
What are the best AI coding assistants?	1 of 4	#4
Which AI coding tool is best for writing tests?	1 of 4	#4
What's the best open-source AI coding assistant?	1 of 4	#6

Questions you lose

question	who got named instead
What are the best free AI coding assistants?	GitHub Copilot, Gemini Code Assist, Cline
What's the best AI coding assistant for beginners learning to code?	GitHub Copilot, Cursor
What's the best AI coding assistant for Python?	Cursor, GitHub Copilot, Claude Code
What's the best AI tool to review pull requests automatically?	CodeRabbit, Greptile, GitHub Copilot
What's the best AI coding assistant I can run locally for privacy?	Continue, Aider, Cline
What's the best AI coding assistant for VS Code?	GitHub Copilot, Cursor, Cline
What's the best AI coding assistant for building mobile apps?	Cursor, GitHub Copilot, Claude Code

Assistants cited 12 pages for questions in this category that name your rivals and not you. See all sources for AI coding assistants.

In their words

ChatGPT“If you're looking for an alternative to Aider — the terminal-based, Git-aware AI pair programmer — my top recommendations are OpenCode, Claude Code, Cline, and OpenAI Codex CLI\.”
Claude“OpenAI Codex CLI — open-source terminal agent, works with OpenAI models (and some others via config).”
Perplexity“The best Claude Code alternative depends on your workflow: Cursor is the strongest all-around choice, Codex CLI is best for terminal-based agentic coding, and GitHub Copilot is the easiest option if you want AI inside your existing editor.”

Closest rivals

All OpenAI Codex alternatives · Full AI coding assistants leaderboard · Sources