Codebuff vs. Codex CLI

Feature	Codebuff	Codex CLI

Tagline	AI coding assistant for your terminal	Lightweight coding agent that runs in your terminal
Website	https://codebuff.com	https://openai.com/codex
Language	typescript	rust
Release Date	November 4, 2024	April 30, 2025
Last Updated	April 28, 2026	June 3, 2026
Provider Type	Independent	AI Lab
MCP Support	Yes	Yes
Multi-Agent Support	Yes	Yes
Git Integration	deep	deep
Multi-File Editing	Yes	Yes
Auto Test Running	Yes	Yes
Sandbox / Permissions	Yes	Yes
Image / Multimodal Input	Yes	Yes
Voice Mode	No	Yes
IDE Integration	None - terminal only	VS Code, Zed (via ACP)
Hooks / Extensions	Yes	Yes
Web Search	Yes	Yes
Local Model Support	Yes	Yes
Context Window	Model-dependent	Model-dependent
Terminal Bench 2.0		#6 · 82.0% ±2.2 ²
Supported Models	Any supported OpenRouter model	All frontier GPT, Codex models: GPT-5.5, GPT-5.4, GPT-5.4 pro, GPT-5.3-Codex, optional custom models.
Pricing Model	Freemium	Subscription
Free Tier	Yes	No
Price Range	Free 500 credits/mo / $100-500/mo	$20-200/mo
Source Code Availability	Open Source (Apache-2.0)	Open Source (Apache-2.0)
Source Code	https://github.com/CodebuffAI/codebuff	https://github.com/openai/codex
Development State	active	active