Grok Build CLI vs OpenCode

Feature	Grok Build CLI	OpenCode
Tagline	Bring Grok into your terminal	The open source AI coding agent built for the terminal
Website	https://x.ai/cli	https://opencode.ai
Language	rust	typescript
Release Date	May 14, 2026	May 14, 2025
Last Updated	August 19, 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	No	No
IDE Integration	None - Terminal only	VS Code, Cursor
Hooks / Extensions	Yes	Yes
Web Search	Yes	Yes
Local Model Support	Yes	Yes
Context Window	Model-dependent	Model-dependent; auto-compact
Terminal Bench	#9 · 20.3% ±3.1 (Terminal-Bench 4.0) 1	#60 · 51.7% (Terminal-Bench 2.0) 2
AA Coding Agent Index	47% · Grok 4.6 (xhigh)	54% · GLM-5.3
Supported Models	SuperGrok Heavy, Grok 4.5, 4.20, Grok 4, Grok Build 0.1, custom models including OpenAI compatible models	OpenCode managed models, 400+ AI models from OpenRouter - OpenAI, Google, Moonshot AI, xAI, Minimax
Supported Subscriptions	SuperGrok X Premium	ChatGPT SuperGrok GitHub Copilot OpenCode Go / Zen Ollama Cloud
Pricing Model	Subscription	Freemium
Free Tier	Yes	Yes
Price Range	$0 (3 Day Trial) / $30 monthly (SuperGrok) / $300 monthly (SuperGrok Heavy)	Free (BYOK) / $10/mo
Source Code Availability	Open Source (EULA)	Open Source (MIT)
Source Code	https://github.com/xai-org/grok-build	https://github.com/anomalyco/opencode
Development State	active	active

¹ Grok Build CLI tested with Grok 4.6 on Terminal-Bench 4.0.

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