ForgeCode vs. fx (by Vercel)

Feature	ForgeCode	fx (by Vercel)

Tagline	A top-ranked AI enabled pair programming coding agent	Tiny, open, embeddable, native coding agent by Vercel.
Website	https://forgecode.dev	https://fx.sh
Language	rust	zig
Release Date	January 30, 2025	August 17, 2026
Last Updated	June 29, 2026	August 19, 2026
Provider Type	Independent	Independent
MCP Support	Yes	Yes
Multi-Agent Support	Yes	No
Git Integration	deep	minimal
Multi-File Editing	Yes	Yes
Auto Test Running	Yes	No
Sandbox / Permissions	Yes	Yes
Image / Multimodal Input	Yes	Yes
Voice Mode	No	No
IDE Integration	VSCode & (terminal-native, ZSH plugin)
Hooks / Extensions	Yes	No
Web Search	Yes	Yes
Local Model Support	Yes	Yes
Context Window	Model-dependent	Model dependent
Supported Models	Can use Claude & ChatGPT subscriptions with access to Opus, GPT series, supports 400+ models on Openrouter.	All Vercel AI Gateway supported models, including OpenAI, Anthropic, Google, DeepSeek, z.AI, Moonshot, etc
Supported Subscriptions	ChatGPT Claude Code	—
Pricing Model	BYOK	Free, BYOK, Usage Based
Free Tier	Yes	No
Price Range	Free (BYOK)	0 - $20 / mo / Custom (Vercel AI Gateway)
Source Code Availability	Open Source (Apache-2.0)	Open Source (Apache-2.0)
Source Code	https://github.com/antinomyhq/forgecode	https://github.com/vercel-labs/fx
Development State	active	active