Junie CLI vs Letta Code

Feature	Junie CLI	Letta Code
Tagline	An LLM-agnostic coding agent built for real-world development	The memory-first coding agent
Website	https://junie.jetbrains.com	https://letta.com
Language	shell	typescript
Release Date	July 15, 2025	December 16, 2025
Last Updated	June 3, 2026	August 19, 2026
Provider Type	Independent	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	No	Yes
Image / Multimodal Input	Yes	Yes
Voice Mode	No	No
IDE Integration	JetBrains IDEs	None - Terminal only
Hooks / Extensions	No	Yes
Web Search	Yes	Yes
Local Model Support	Yes	Yes
Context Window	Model-dependent	Model-dependent
Terminal Bench	#21 · 71.0% ±2.9 (Terminal-Bench 2.0) 1	#44 · 59.1% ±2.4 (Terminal-Bench 2.0) 2
Supported Models	Multi-provider including BYOK	Multi-provider with Claude, GPT, Gemini and self-hosted (BYOK).
Supported Subscriptions	—	ChatGPT GitHub Copilot Claude Code OpenCode Go / Zen
Pricing Model	Freemium	Freemium
Free Tier	Yes	Yes
Price Range	Free (BYOK) / $10-60/mo	Free (BYOK) / $20-200/mo
Source Code Availability	Proprietary Software	Open Source (Apache-2.0)
Source Code	https://github.com/JetBrains/junie	c
Development State	active	active

¹ Junie CLI tested with Multiple on Terminal-Bench 2.0.

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