Gemini CLI vs OpenBlock

Feature	Gemini CLI	OpenBlock

Tagline	An open-source AI agent that brings Gemini into your terminal	A self-improving coding agent that handles the full dev lifecycle
Website	https://geminicli.com	https://openblocklabs.com/
Language	typescript	typescript
Release Date	June 24, 2025	March 16, 2026
Last Updated	June 29, 2026	August 19, 2026
Provider Type	AI Lab	Independent
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	Antigravity, VS Code, JetBrains IDEs (ACP), Zed (ACP)	None - Terminal only
Hooks / Extensions	Yes	Yes
Web Search	Yes	Yes
Local Model Support	Yes	Yes
Context Window	1M tokens	Model-dependent
Terminal Bench	#15 · 65.8% ±2.7 (Terminal-Bench 2.1) ¹
Supported Models	Gemini 3.5 Flash, Gemini 3.1 Pro	400+ via OpenRouter (Claude, GPT, Gemini, Grok, open-source)
Pricing Model	Free	Freemium
Free Tier	Yes	Yes
Price Range	Free (1,000 req/day)	$10-100 (credit-based)
Source Code Availability	Open Source (Apache-2.0)	Proprietary Software
Source Code	https://github.com/google-gemini/gemini-cli	N/A
Development State	active	active