Aider vs. Deep Agents CLI

Feature	Aider	Deep Agents CLI

Tagline	AI pair programming in your terminal	A pre-built coding agent powered by any LLM with tool calling
Website	https://aider.chat	https://docs.langchain.com/deepagents
Language	python	python
Release Date	July 8, 2023	October 19, 2025
Last Updated	April 28, 2026	June 3, 2026
Provider Type	Independent	Independent
MCP Support	No	Yes
Multi-Agent Support	No	Yes
Git Integration	deep	basic
Multi-File Editing	Yes	Yes
Auto Test Running	Yes	No
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	Yes
Web Search	No	Yes
Local Model Support	Yes	Yes
Context Window	Model-dependent	Model-dependent; compression at threshold
Terminal Bench 2.0		#29 · 66.5% ±3.1 ²
Supported Models	Claude Sonnet 4.5/4.6, Claude Opus 4.5/4.6, GPT-5.4, GPT-4o, DeepSeek, Gemini, Llama, Qwen	Any LangChain model: Claude, GPT-5, Gemini, DeepSeek, Ollama, Groq, xAI
Pricing Model	BYOK	BYOK
Free Tier	Yes	Yes
Price Range	Free (BYOK)	Free (BYOK)
Source Code Availability	Open Source (Apache-2.0)	Open Source (MIT)
Source Code	https://github.com/Aider-AI/aider	https://github.com/langchain-ai/deepagents
Development State	active	active