fx (by Vercel) vs. Zot

Feature	fx (by Vercel)	Zot

Tagline	Tiny, open, embeddable, native coding agent by Vercel.	Yet another coding agent harness.
Website	https://fx.sh	https://zot.sh
Language	zig	go
Release Date	August 17, 2026	April 18, 2026
Last Updated	August 19, 2026	September 4, 2026
Provider Type	Independent	Independent
MCP Support	Yes	No
Multi-Agent Support	No	Yes
Git Integration	basic	low
Multi-File Editing	Yes	Yes
Auto Test Running	No	No
Sandbox / Permissions	Yes	Yes
Image / Multimodal Input	Yes	Yes
Voice Mode	No	No
IDE Integration	None - Terminal only	None
Hooks / Extensions	No	Yes
Web Search	Yes	Yes
Local Model Support	Yes	Yes
Context Window	Model-dependent	Model dependent
Supported Models	All Vercel AI Gateway supported models, including OpenAI, Anthropic, Google, DeepSeek, z.AI, Moonshot, etc	Models from Anthropic, OpenAI, Kimi, DeepSeek, Google Gemini/Vertex, GitHub Copilot, Bedrock, Azure and 300+ models from OpenRouter.
Pricing Model	Free, BYOK, Usage Based	Free
Free Tier	No	No
Price Range	0 - $20 / mo / Custom (Vercel AI Gateway)	$0
Source Code Availability	Open Source (Apache-2.0)	Open Source (MIT)
Source Code	https://github.com/vercel-labs/fx	https://github.com/patriceckhart/zot
Development State	active	active