Deep Agents CLI vs. Plandex

Feature	Deep Agents CLI	Plandex

Tagline	A pre-built coding agent powered by any LLM with tool calling	Open source AI coding agent for large projects and real world tasks
Website	https://docs.langchain.com/deepagents	https://github.com/plandex-ai/plandex
Language	python	go
Release Date	October 19, 2025	March 14, 2024
Last Updated	June 3, 2026	June 11, 2026
Provider Type	Independent	Independent
MCP Support	Yes	No
Multi-Agent Support	Yes	No
Git Integration	basic	deep
Multi-File Editing	Yes	No
Auto Test Running	No	Yes
Sandbox / Permissions	Yes	Yes
Image / Multimodal Input	No	No
Voice Mode	No	No
IDE Integration	None - terminal only	None - terminal only
Hooks / Extensions	Yes	No
Web Search	Yes	No
Local Model Support	Yes	Yes
Context Window	Model-dependent; compression at threshold	2M tokens effective
Terminal Bench 2.0	#29 · 66.5% ±3.1 ¹
Supported Models	Any LangChain model: Claude, GPT-5, Gemini, DeepSeek, Ollama, Groq, xAI	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 (MIT)	Open Source (MIT)
Source Code	https://github.com/langchain-ai/deepagents	https://github.com/plandex-ai/plandex
Development State	active	inactive