Question 1

Is LobeChat better than Letta?

Accepted Answer

It depends on your use case. LobeChat is known for Modern design ChatGPT/LLM UI with plugin ecosystem, while Letta Build stateful AI agents with long-term memory. See our full comparison above for a detailed breakdown.

Question 2

Is LobeChat free?

Accepted Answer

LobeChat pricing: Free (open-source).

Question 3

Is Letta free?

Accepted Answer

Letta pricing: Free (open-source) + Cloud.

Question 4

What are the main differences between LobeChat and Letta?

Accepted Answer

LobeChat and Letta differ in features, pricing, and platform support. LobeChat: Modern design ChatGPT/LLM UI with plugin ecosystem. Letta: Build stateful AI agents with long-term memory. See the full side-by-side comparison above for details.

Feature	LobeChat	Letta
Category	Chat Interfaces	AI Agent Frameworks
Pricing	Free (open-source)	Free (open-source) + Cloud
GitHub Stars	✓ More stars 50k	13k
Platforms	Web, Docker	Linux, macOS, Docker
Key Features	✓ Plugin system ✓ Multi-model ✓ TTS ✓ Vision ✓ Knowledge base	✓ Long-term memory ✓ Stateful agents ✓ Tool use ✓ Multi-model ✓ Self-editing memory
Pros	+ Stunning modern UI + 100+ plugins available + Multi-model support + TTS and vision built-in + Active development (50k+ stars)	+ Solves long-term memory problem + Self-editing memory + Stateful agents + Multi-model support + Active research backing
Cons	− Can be complex to self-host − Plugin quality varies − Heavy client-side app − Some features need configuration	− Complex memory management − Performance overhead − Rebranding confusion − Still experimental
Tags	chatmodern-uipluginsopen-source	memorystatefulagentsopen-source

LobeChatvsLetta

LobeChat

Letta

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