Aider vs. Plandex

Feature	Aider	Plandex

Tagline	AI pair programming in your terminal	Open source AI coding agent for large projects and real world tasks
Website	https://aider.chat	https://github.com/plandex-ai/plandex
Language	python	go
Release Date	July 8, 2023	March 14, 2024
Last Updated	April 28, 2026	June 11, 2026
Provider Type	Independent	Independent
MCP Support	No	No
Multi-Agent Support	No	No
Git Integration	deep	deep
Multi-File Editing	Yes	No
Auto Test Running	Yes	Yes
Sandbox / Permissions	No	Yes
Image / Multimodal Input	Yes	No
Voice Mode	Yes	No
IDE Integration	VS Code, Neovim, Emacs	None - terminal only
Hooks / Extensions	Yes	No
Web Search	No	No
Local Model Support	Yes	Yes
Context Window	Model-dependent	2M tokens effective
Supported Models	Claude Sonnet 4.5/4.6, Claude Opus 4.5/4.6, GPT-5.4, GPT-4o, DeepSeek, Gemini, Llama, Qwen	Any OpenAI-compatible models and 400+ models from OpenRouter.
Pricing Model	BYOK	Free
Free Tier	Yes	Yes
Price Range	Free (BYOK)	Free (self-hosted)
Source Code Availability	Open Source (Apache-2.0)	Open Source (MIT)
Source Code	https://github.com/Aider-AI/aider	https://github.com/plandex-ai/plandex
Development State	active	inactive