Junie CLI vs Prime Agent

Feature	Junie CLI	Prime Agent

Tagline	An LLM-agnostic coding agent built for real-world development	Model-agnostic terminal coding agent built on a persistent IPython runtime
Website	https://junie.jetbrains.com	https://www.primeintellect.ai/blog/prime-agent
Language	shell	rust
Release Date	July 15, 2025	May 8, 2026
Last Updated	June 3, 2026	October 10, 2026
Provider Type	Independent	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	No	No
Image / Multimodal Input	Yes	Yes
Voice Mode	No	No
IDE Integration	JetBrains IDEs	Zed, VS Code (via ACP)
Hooks / Extensions	No	Yes
Web Search	Yes	No
Local Model Support	Yes	Yes
Context Window	Model-dependent	Model-dependent
Terminal Bench	#21 · 71.0% ±2.9 (Terminal-Bench 2.0) ¹
Supported Models	Multi-provider including BYOK	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	Freemium	Free, Subscription, BYOK
Free Tier	Yes	Yes
Price Range	Free (BYOK) / $10-60/mo	Free (BYOK)
Source Code Availability	Proprietary Software	Open Source (MIT)
Source Code	https://github.com/JetBrains/junie	https://github.com/PrimeIntellect-ai/prime-agent
Development State	active	active