Amp vs. Plandex

Feature	Amp	Plandex

Tagline	The frontier coding agent	Open source AI coding agent for large projects and real world tasks
Website	https://ampcode.com	https://github.com/plandex-ai/plandex
Language	typescript	go
Release Date	April 14, 2025	March 14, 2024
Last Updated	May 7, 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	No	No
IDE Integration	VS Code	None - terminal only
Hooks / Extensions	Yes	No
Web Search	Yes	No
Local Model Support	No	Yes
Context Window	Model-dependent	2M tokens effective
Supported Models	Claude Opus 4.7/4.5, Sonnet, GPT-5.5, GPT-5.3-Codex, Gemini 3.1 Pro / Flash	Any OpenAI-compatible models and 400+ models from OpenRouter.
Pricing Model	Usage Based	Free
Free Tier	Yes	Yes
Price Range	Free daily grant, then usage-based	Free (self-hosted)
Source Code Availability	Proprietary Software	Open Source (MIT)
Source Code		https://github.com/plandex-ai/plandex
Development State	active	inactive