Question 1

Is Langflow better than Letta?

Accepted Answer

It depends on your use case. Langflow is known for Visual framework for building multi-agent AI apps, while Letta Build stateful AI agents with long-term memory. See our full comparison above for a detailed breakdown.

Question 2

Is Langflow free?

Accepted Answer

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

Question 3

Is Letta free?

Accepted Answer

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

Question 4

What are the main differences between Langflow and Letta?

Accepted Answer

Langflow and Letta differ in features, pricing, and platform support. Langflow: Visual framework for building multi-agent AI apps. Letta: Build stateful AI agents with long-term memory. See the full side-by-side comparison above for details.

Feature	Langflow	Letta
Category	Automation Platforms	AI Agent Frameworks
Pricing	Free (open-source) + Cloud	Free (open-source) + Cloud
GitHub Stars	✓ More stars 35k	13k
Platforms	Linux, macOS, Windows, Docker, Web	Linux, macOS, Docker
Key Features	✓ Visual builder ✓ Drag-and-drop ✓ Component library ✓ API export ✓ Multi-model	✓ Long-term memory ✓ Stateful agents ✓ Tool use ✓ Multi-model ✓ Self-editing memory
Pros	+ Intuitive visual builder + LangChain ecosystem integration + Easy prototyping + Export as Python code + Growing component library	+ Solves long-term memory problem + Self-editing memory + Stateful agents + Multi-model support + Active research backing
Cons	− Tied to LangChain ecosystem − Limited for very custom logic − Can be slow for complex flows − Still maturing	− Complex memory management − Performance overhead − Rebranding confusion − Still experimental
Tags	no-codevisuallangchainopen-source	memorystatefulagentsopen-source

LangflowvsLetta

Langflow

Letta

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