fx (by Vercel) vs OpenHands CLI

Feature	fx (by Vercel)	OpenHands CLI

Tagline	Tiny, open, embeddable, native coding agent by Vercel.	Lightweight OpenHands CLI as a standalone AI coding agent
Website	https://fx.sh	https://github.com/OpenHands/OpenHands
Language	zig	python
Release Date	August 17, 2026	October 18, 2025
Last Updated	August 19, 2026	August 19, 2026
Provider Type	Independent	Independent
MCP Support	Yes	Yes
Multi-Agent Support	No	Yes
Git Integration	basic	basic
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	None - Terminal only	Zed, Toad, VS Code, JetBrains IDEs
Hooks / Extensions	No	No
Web Search	Yes	Yes
Local Model Support	Yes	Yes
Context Window	Model-dependent	Model-dependent
Terminal Bench		#59 · 51.9% ±2.9 (Terminal-Bench 2.0) ²
Supported Models	All Vercel AI Gateway supported models, including OpenAI, Anthropic, Google, DeepSeek, z.AI, Moonshot, etc	Models from multiple providers including, OpenAI, Anthropic, Google, xAI. Compatible with 400+ OpenRouter models.
Pricing Model	Free, BYOK, Usage Based	BYOK
Free Tier	No	Yes
Price Range	0 - $20 / mo / Custom (Vercel AI Gateway)	Free (BYOK)
Source Code Availability	Open Source (Apache-2.0)	Open Source (MIT)
Source Code	https://github.com/vercel-labs/fx	https://github.com/OpenHands/OpenHands
Development State	active	active