Blackbox AI CLI vs. Cosine

Feature	Blackbox AI CLI	Cosine

Tagline	Feature-rich AI coding agent in your terminal	Your coding agent in your terminal.
Website	https://www.blackbox.ai/cli	https://cosine.sh/cli
Language	typescript	go
Release Date	September 20, 2025
Last Updated	August 19, 2026	September 4, 2026
Provider Type	Independent	AI Lab
MCP Support	Yes	Yes
Multi-Agent Support	Yes	Yes
Git Integration	deep	deep
Multi-File Editing	Yes	Yes
Auto Test Running	Yes	Yes
Sandbox / Permissions	Yes	Yes
Image / Multimodal Input	Yes	Yes
Voice Mode	Yes	No
IDE Integration	35+ IDE integrations including VS Code, JetBrains	VS Code
Hooks / Extensions	Yes	Yes
Web Search	Yes	Yes
Local Model Support	Yes	No
Context Window	Model-dependent	Model dependent
Supported Models	400+ models including Opus, GPT, Gemini, Qwen, GLM, Grok, Minimax (free), Mimo, Llama, Kimi, Mistral, DeepSeek	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
Pricing Model	Freemium	Usage Based, Freemium, Subscription
Free Tier	Yes	No
Price Range	Free (BYOK) / $10-40/mo	$19-999/mo
Source Code Availability	Open Source (GPL-3.0)	Proprietary Software
Source Code	https://github.com/blackboxaicode/cli	N/A
Development State	active	active