fx (by Vercel) vs. Poolside Agent CLI

Feature	fx (by Vercel)	Poolside Agent CLI

Tagline	Tiny, open, embeddable, native coding agent by Vercel.	Work with Poolside Agents from your terminal
Website	https://fx.sh	https://docs.poolside.ai/cli/pool
Language	zig	go
Release Date	August 17, 2026	October 25, 2025
Last Updated	August 19, 2026	August 14, 2026
Provider Type	Independent	AI Lab
MCP Support	Yes	Yes
Multi-Agent Support	No	Yes
Git Integration	minimal	deep
Multi-File Editing	Yes	Yes
Auto Test Running	No	Yes
Sandbox / Permissions	Yes	Yes
Image / Multimodal Input	Yes	No
Voice Mode	No	No
IDE Integration		Poolside Assistant, VS Code, Visual Studio
Hooks / Extensions	No	No
Web Search	Yes	Yes
Local Model Support	Yes	No
Context Window	Model dependent	(Point) 64K - 128K (Malibu, Laguna)
Supported Models	All Vercel AI Gateway supported models, including OpenAI, Anthropic, Google, DeepSeek, z.AI, Moonshot, etc	Laguna M.1, Laguna XS.2, Malibu, Point and OpenRouter with over 300+ supported models.
Pricing Model	Free, BYOK, Usage Based	Subscription, Subscription, BYOK
Free Tier	No	No
Price Range	0 - $20 / mo / Custom (Vercel AI Gateway)	$0, Enterprise
Source Code Availability	Open Source (Apache-2.0)	Proprietary Software
Source Code	https://github.com/vercel-labs/fx	https://github.com/poolsideai/pool
Development State	active	active