Gemini CLI vs. Prime Agent

Feature	Gemini CLI	Prime Agent

Tagline	An open-source AI agent that brings Gemini into your terminal	Model-agnostic terminal coding agent built on a persistent IPython runtime
Website	https://geminicli.com	https://www.primeintellect.ai/blog/prime-agent
Language	typescript	typescript
Release Date	June 24, 2025	May 8, 2026
Last Updated	June 29, 2026	September 4, 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	Yes	No
IDE Integration	Antigravity, VS Code, JetBrains IDEs (ACP), Zed (ACP)	Zed, VS Code (via ACP)
Hooks / Extensions	Yes	Yes
Web Search	Yes	No
Local Model Support	Yes	Yes
Context Window	1M tokens	Model-dependent
Terminal Bench 2.0	#42 · 61.4% ±4.1 ¹
Supported Models	Gemini 3.5 Flash, Gemini 3.1 Pro	20+ providers: Claude, GPT, Gemini, Mistral, Groq, Cerebras, xAI, DeepSeek, MiniMax, Xiaomi MiMo, Bedrock, Ollama, vLLM, LM Studio
Supported Subscriptions	—	ChatGPT Claude Code GitHub Copilot
Pricing Model	Free	Free, Subscription, BYOK
Free Tier	Yes	Yes
Price Range	Free (1,000 req/day)	Free (BYOK)
Source Code Availability	Open Source (Apache-2.0)	Open Source (MIT)
Source Code	https://github.com/google-gemini/gemini-cli	https://github.com/PrimeIntellect-ai/prime-agent
Development State	active	active