Codex CLI vs. Plandex

Feature	Codex CLI	Plandex

Tagline	Lightweight coding agent that runs in your terminal	Open source AI coding agent for large projects and real world tasks
Website	https://openai.com/codex	https://github.com/plandex-ai/plandex
Language	rust	go
Release Date	April 30, 2025	March 14, 2024
Last Updated	June 3, 2026	June 11, 2026
Provider Type	AI Lab	Independent
MCP Support	Yes	No
Multi-Agent Support	Yes	No
Git Integration	deep	deep
Multi-File Editing	Yes	No
Auto Test Running	Yes	Yes
Sandbox / Permissions	Yes	Yes
Image / Multimodal Input	Yes	No
Voice Mode	Yes	No
IDE Integration	VS Code, Zed (via ACP)	None - terminal only
Hooks / Extensions	Yes	No
Web Search	Yes	No
Local Model Support	Yes	Yes
Context Window	Model-dependent	2M tokens effective
Terminal Bench 2.0	#6 · 82.0% ±2.2 ¹
Supported Models	All frontier GPT, Codex models: GPT-5.5, GPT-5.4, GPT-5.4 pro, GPT-5.3-Codex, optional custom models.	Any OpenAI-compatible models and 400+ models from OpenRouter.
Pricing Model	Subscription	Free
Free Tier	No	Yes
Price Range	$20-200/mo	Free (self-hosted)
Source Code Availability	Open Source (Apache-2.0)	Open Source (MIT)
Source Code	https://github.com/openai/codex	https://github.com/plandex-ai/plandex
Development State	active	inactive