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Letta

Read 7 Letta reviews and testimonials from customers, explore 4 case studies and customer success stories, and watch customer videos to see why companies chose Letta as their AI Automation Software

Letta is a complete operating system for building stateful agents AI agents. Letta handles state persistence, context compilation, and intelligent resource allocation, so you can focus on building applications powered by agents that actually learn. Letta was founded by the creators of MemGPT, which introduced memory (or context) management for AI agents. Today's AI agents struggle with fragmented context and limited memory. Just as computers needed operating systems to manage resources, your agents need intelligent context management to unlock their full potential.

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    Customer Videos
Customer Rating Review Score based on 160 reference ratings
4.8/5.0 (160)
  • Winter 2026 Rising Star AI Automation Software

7Testimonials

  • "The idea was that our agent should be able to intelligently read from data in our vast knowledge base."

  • "In executive recruiting there's a lot of unstructured data from a lot of different sources, including direct feedback and conversations logs. It's a mess how you get from this unstructured …

  • "With Letta I could just prototype much faster. I was able to see the product working right away."

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4 Case Studies

  • How Hunt Club Accelerates Executive Recruiting with Letta

  • How 11x Built Deep Research Agents with Letta

  • How Bilt Built a Million-Agent Recommendation System with Letta

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Read Letta Reviews, Testimonials & Customer References from 7 real Letta customers.

Browse Letta Case Studies, Customer Success Stories, & Customer References from 4 businesses that use Letta.