Grok Build CLI vs Prime Agent

Feature	Grok Build CLI	Prime Agent

Tagline	SpaceXAI's coding agent harness and TUI	Model-agnostic terminal coding agent built on a persistent IPython runtime
Website	https://x.ai/cli	https://www.primeintellect.ai/blog/prime-agent
Language	rust	rust
Release Date	May 14, 2026	May 8, 2026
Last Updated	October 18, 2026	October 10, 2026
Provider Type	AI Lab	AI Lab
MCP Support	Yes	Yes
Multi-Agent Support	Yes	Yes
Git Integration	deep	basic
Multi-File Editing	Yes	Yes
Auto Test Running	Yes	No
Sandbox / Permissions	Yes	No
Image / Multimodal Input	Yes	Yes
Voice Mode	No	No
IDE Integration	None - Terminal only	Zed, VS Code (via ACP)
Hooks / Extensions	Yes	Yes
Web Search	Yes	No
Local Model Support	Yes	Yes
Context Window	Model-dependent	Model-dependent
Terminal Bench	#9 · 20.3% ±3.1 (Terminal-Bench 4.0) ¹
AA Coding Agent Index	47% · Grok 4.6 (xhigh)	-
Supported Models	SuperGrok Heavy, Grok 4.5, 4.20, Grok 4, Grok Build 0.1, custom models including OpenAI compatible models	20+ providers: Claude, GPT, Gemini, Mistral, Groq, Cerebras, xAI, DeepSeek, MiniMax, Xiaomi MiMo, Bedrock, Ollama, vLLM, LM Studio
Supported Subscriptions	SuperGrok X Premium	ChatGPT Claude Code GitHub Copilot
Pricing Model	Subscription	Free, Subscription, BYOK
Free Tier	Yes	Yes
Price Range	$0 (3 Day Trial) / $30 monthly (SuperGrok) / $300 monthly (SuperGrok Heavy)	Free (BYOK)
Source Code Availability	Open Source (EULA)	Open Source (MIT)
Source Code	https://github.com/xai-org/grok-build	https://github.com/PrimeIntellect-ai/prime-agent
Development State	active	active