Ante vs fx (by Vercel)

Feature	Ante	fx (by Vercel)

Tagline	Self-contained Rust agent harness with native offline inference	Tiny, open, embeddable, native coding agent by Vercel.
Website	https://ante.run/	https://fx.sh
Language	rust	zig
Release Date	December 23, 2025	August 17, 2026
Last Updated	September 4, 2026	August 19, 2026
Provider Type	Independent	Independent
MCP Support	Yes	Yes
Multi-Agent Support	Yes	No
Git Integration	basic	basic
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 shipped; `ante serve` exposes a JSONL protocol for editor plugins	None - Terminal only
Hooks / Extensions	No	No
Web Search	Yes	Yes
Local Model Support	Yes	Yes
Context Window	Model-dependent	Model-dependent
Terminal Bench	#23 · 69.4% ±2.1 (Terminal-Bench 2.0) ¹
Supported Models	17 built-in presets: Anthropic, OpenAI, Google Gemini and Vertex, xAI Grok, DeepSeek, OpenRouter, Zai, Ali Coding Plan, Antix, plus any OpenAI-compatible endpoint via ~/.ante/catalog.json and any local GGUF model through the bundled llama.cpp	All Vercel AI Gateway supported models, including OpenAI, Anthropic, Google, DeepSeek, z.AI, Moonshot, etc
Supported Subscriptions	Claude Code ChatGPT	-
Pricing Model	Free, BYOK	Free, BYOK, Usage Based
Free Tier	Yes	No
Price Range	Free (alpha preview)	0 - $20 / mo / Custom (Vercel AI Gateway)
Source Code Availability	Proprietary Software	Open Source (Apache-2.0)
Source Code	https://github.com/AntigmaLabs/ante	https://github.com/vercel-labs/fx
Development State	active	active