Letta Code vs MiMo Code

Feature	Letta Code	MiMo Code

Tagline	The memory-first coding agent	Xiaomi's terminal coding agent, forked from OpenCode and tuned for MiMo models
Website	https://letta.com	https://mimo.xiaomi.com/mimocode
Language	typescript	typescript
Release Date	December 16, 2025	June 10, 2026
Last Updated	August 19, 2026	September 4, 2026
Provider Type	Independent	AI Lab
MCP Support	Yes	Yes
Multi-Agent Support	Yes	Yes
Git Integration	basic	deep
Multi-File Editing	Yes	Yes
Auto Test Running	Yes	Yes
Sandbox / Permissions	Yes	Yes
Image / Multimodal Input	Yes	Yes
Voice Mode	No	Yes
IDE Integration	None - Terminal only	None - terminal only
Hooks / Extensions	Yes	Yes
Web Search	Yes	Yes
Local Model Support	Yes	Yes
Context Window	Model-dependent	1M tokens
Terminal Bench	#44 · 59.1% ±2.4 (Terminal-Bench 2.0) ¹
Supported Models	Multi-provider with Claude, GPT, Gemini and self-hosted (BYOK).	MiMo-V2.5, MiMo-V2.5-Pro, MiMo-V2.5-Pro-UltraSpeed; BYOK: ChatGPT/Codex, Claude, Grok, OpenRouter, DeepSeek, Kimi, GLM
Supported Subscriptions	ChatGPT GitHub Copilot Claude Code OpenCode Go / Zen	ChatGPT Claude Code
Pricing Model	Freemium	Freemium, Usage Based, Subscription, BYOK
Free Tier	Yes	Yes
Price Range	Free (BYOK) / $20-200/mo	Free tier / Xiaomi Token Plan CNY 39-659/mo / usage-based API
Source Code Availability	Open Source (Apache-2.0)	Open Source (MIT)
Source Code	c	https://github.com/XiaomiMiMo/MiMo-Code
Development State	active	active