Question 1

Is MetaGPT better than Letta?

Accepted Answer

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

Question 2

Is MetaGPT free?

Accepted Answer

MetaGPT 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 MetaGPT and Letta?

Accepted Answer

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

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

MetaGPTvsLetta

MetaGPT

Letta

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