Ante vs. Cosine

Feature	Ante	Cosine

Tagline	Self-contained Rust agent harness with native offline inference	Your coding agent in your terminal.
Website	https://ante.run/	https://cosine.sh/cli
Language	rust	go
Release Date	December 23, 2025
Last Updated	September 4, 2026	September 4, 2026
Provider Type	Independent	AI Lab
MCP Support	Yes	Yes
Multi-Agent Support	Yes	Yes
Git Integration	basic	deep
Multi-File Editing	Yes	Yes
Auto Test Running	No	Yes
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	VS Code
Hooks / Extensions	No	Yes
Web Search	Yes	Yes
Local Model Support	Yes	No
Context Window	Model-dependent	Model dependent
Terminal Bench 2.0	#24 · 69.4% ±2.1 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	Lumen Scout, Lumen Outpost; GPT-5.5/5.4, Claude Opus 4.7/4.6, Claude Sonnet 4.6, Gemini 3.1 Pro, Gemini 3 Flash, Kimi K2.6, GLM 5.1, MiniMax M2.7, Qwen 3.6 Plus, DeepSeek v4 Pro
Supported Subscriptions	Claude Code ChatGPT	—
Pricing Model	Free, BYOK	Usage Based, Freemium, Subscription
Free Tier	Yes	No
Price Range	Free (alpha preview)	$19-999/mo
Source Code Availability	Proprietary Software	Proprietary Software
Source Code	https://github.com/AntigmaLabs/ante	N/A
Development State	active	active