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Letta

Open-source framework for building LLM agents with memory.

Not yet ratedOpen Source23,716

Rate Letta

Letta is an open-source framework for creating LLM agents with persistent memory. It provides tools for managing agent state, enabling long-term context and personalized interactions. Ideal for developers building advanced AI assistants.

Pros & Cons

Pros

  • New tool — early adopter advantage
  • Open source — free to use and self-host
  • Strong community with 23,716 GitHub stars

Cons

  • No verified reviews yet — limited community feedback
  • Limited feature set compared to alternatives
  • No free tier — paid plans required

Best Use Cases

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Software Development

Build and ship software faster with Letta's developer tools and integrations.

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DevOps & CI/CD

Automate workflows and streamline your development pipeline.

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Team Collaboration

Enable seamless code review and pair programming across your team.

Key Features

  • Persistent memory for agents
  • State management tools
  • Open-source and extensible
  • Supports custom LLM backends

Frequently Asked Questions

What is Letta?

Letta is Open-source framework for building LLM agents with memory.

Is Letta free?

Letta does not offer a free tier. Plans start at various price points.

What are the best alternatives to Letta?

The best alternatives to Letta include Unkey, Trigger.dev, Parlant. The right choice depends on your specific needs and budget.

Is Letta open source?

Yes, Letta is open source with 23,716 GitHub stars. You can view and contribute to the source code on GitHub.

Top Alternatives to Letta

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