Charm Crush vs. Letta Code

Feature	Charm Crush	Letta Code

Tagline	Glamourous agentic coding for all	The memory-first coding agent
Website	https://charm.sh	https://letta.com
Language	go	typescript
Release Date	July 29, 2025	December 16, 2025
Last Updated	April 28, 2026	June 3, 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	Yes	Yes
Image / Multimodal Input	Yes	Yes
Voice Mode	No	No
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	Model-dependent
Terminal Bench 2.0		#48 · 59.1% ±2.4 ²
Supported Models	All Crush-compatible models from Anthropic, OpenAI, Deepseek, Gemini, Groq, etc.	Multi-provider with Claude, GPT, Gemini and self-hosted (BYOK).
Pricing Model	BYOK	Freemium
Free Tier	Yes	Yes
Price Range	Free (BYOK)	Free (BYOK) / $20-200/mo
Source Code Availability	Open Source (FSL-1.1-MIT)	Open Source (Apache-2.0)
Source Code	https://github.com/charmbracelet/crush	https://github.com/letta-ai/letta-code
Development State	active	active