Gemini CLI vs OpenCode

Feature	Gemini CLI	OpenCode
Tagline	An open-source AI agent that brings Gemini into your terminal	The open source AI coding agent built for the terminal
Website	https://geminicli.com	https://opencode.ai
Language	typescript	typescript
Release Date	June 24, 2025	May 14, 2025
Last Updated	June 29, 2026	June 28, 2026
Provider Type	AI Lab	Independent
MCP Support	Yes	Yes
Multi-Agent Support	Yes	Yes
Git Integration	deep	basic
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)	VS Code, Cursor
Hooks / Extensions	Yes	Yes
Web Search	Yes	Yes
Local Model Support	Yes	Yes
Context Window	1M tokens	Model-dependent; auto-compact
Terminal Bench	#15 · 65.8% ±2.7 (Terminal-Bench 2.1) 1	#60 · 51.7% (Terminal-Bench 2.0) 2
AA Coding Agent Index	-	61% · Gemini 3.8 Flash (high)
Supported Models	Gemini 3.5 Flash, Gemini 3.1 Pro	OpenCode managed models, 400+ AI models from OpenRouter - OpenAI, Google, Moonshot AI, xAI, Minimax
Supported Subscriptions	—	ChatGPT SuperGrok GitHub Copilot OpenCode Go / Zen Ollama Cloud
Pricing Model	Free	Freemium
Free Tier	Yes	Yes
Price Range	Free (1,000 req/day)	Free (BYOK) / $10/mo
Source Code Availability	Open Source (Apache-2.0)	Open Source (MIT)
Source Code	https://github.com/google-gemini/gemini-cli	https://github.com/anomalyco/opencode
Development State	active	active

¹ Gemini CLI tested with Gemini 3 Pro on Terminal-Bench 2.1.

² OpenCode tested with Claude Opus 4.5 on Terminal-Bench 2.0.