Question 1

Is Letta better than MetaGPT?

Accepted Answer

It depends on your use case. Letta is known for Build stateful AI agents with long-term memory, while MetaGPT Multi-agent framework that turns ideas into code. See our full comparison above for a detailed breakdown.

Question 2

Is Letta free?

Accepted Answer

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

Question 3

Is MetaGPT free?

Accepted Answer

MetaGPT pricing: Free (open-source).

Question 4

What are the main differences between Letta and MetaGPT?

Accepted Answer

Letta and MetaGPT differ in features, pricing, and platform support. Letta: Build stateful AI agents with long-term memory. MetaGPT: Multi-agent framework that turns ideas into code. See the full side-by-side comparison above for details.

Feature	Letta	MetaGPT
Category	AI Agent Frameworks	AI Agent Frameworks
Pricing	Free (open-source) + Cloud	Free (open-source)
GitHub Stars	13k	✓ More stars 45k
Platforms	Linux, macOS, Docker	Linux, macOS, Windows
Key Features	✓ Long-term memory ✓ Stateful agents ✓ Tool use ✓ Multi-model ✓ Self-editing memory	✓ Multi-agent ✓ Role-based agents ✓ Code generation ✓ Project management ✓ Documentation
Pros	+ Solves long-term memory problem + Self-editing memory + Stateful agents + Multi-model support + Active research backing	+ Unique role-based approach + Generates structured output + Good for prototyping ideas + Active development + Creative agent design
Cons	− Complex memory management − Performance overhead − Rebranding confusion − Still experimental	− High token consumption − Output quality varies − Complex setup − Can be slow for large projects
Tags	memorystatefulagentsopen-source	multi-agentopen-sourcecodingframework

LettavsMetaGPT

Letta

MetaGPT

Related Comparisons