Question 1

Is Letta better than CrewAI?

Accepted Answer

It depends on your use case. Letta is known for Build stateful AI agents with long-term memory, while CrewAI Framework for orchestrating role-based AI agent teams. 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 CrewAI free?

Accepted Answer

CrewAI pricing: Free + Enterprise.

Question 4

What are the main differences between Letta and CrewAI?

Accepted Answer

Letta and CrewAI differ in features, pricing, and platform support. Letta: Build stateful AI agents with long-term memory. CrewAI: Framework for orchestrating role-based AI agent teams. See the full side-by-side comparison above for details.

Feature	Letta	CrewAI
Category	AI Agent Frameworks	AI Agent Frameworks
Pricing	Free (open-source) + Cloud	Free + Enterprise
GitHub Stars	13k	✓ More stars 25k
Platforms	Linux, macOS, Docker	macOS, Linux, Windows
Key Features	✓ Long-term memory ✓ Stateful agents ✓ Tool use ✓ Multi-model ✓ Self-editing memory	✓ Multi-agent collaboration ✓ Role-based agents ✓ Task delegation ✓ Tool integration ✓ Memory ✓ Process types
Pros	+ Solves long-term memory problem + Self-editing memory + Stateful agents + Multi-model support + Active research backing	+ Intuitive role-based agent design + Built-in collaboration patterns + Good documentation and examples + Active development + Simple Python API
Cons	− Complex memory management − Performance overhead − Rebranding confusion − Still experimental	− Less flexible than raw LangChain − Relatively young framework − Limited built-in tools − Can be expensive with many agents
Tags	memorystatefulagentsopen-source	open-sourcemulti-agentorchestrationpythonteams

LettavsCrewAI

Letta

CrewAI

Related Comparisons