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letta-ai/letta

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Platform for stateful agents: AI with advanced memory that can learn and self-improve over time.

15 mentions on Hacker News by 8 people: 4 stories, 11 comments · first 2023-10-14 · latest 2026-01-30

Mentions per year 15 mentions · busiest year 2023 (8)
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  1. …main open source offering [1] for my agent's memory, and I can already highly recommend that. [0] https://github.com/letta-ai/lettabot [1] https://github.com/letta-ai/letta
    comment by tfehring · 2026-01-30 · in Moltbook is the most interesting place on the internet right now
  2. check out Letta - the OSS codebase ( https://github.com/letta-ai/letta ) is basically focused on solving the memory/context problem in a generalized way (via "agentic context management"). if you're more interested in papers, we also…
    comment by pacjam · 2025-05-15 · in Show HN: Muscle-Mem, a behavior cache for AI agents
  3. If you're interested in the full schema you can look at the Pydantic models here: https://github.com/letta-ai/letta/blob/main/letta/serialize_... Agent File is intended to support "one thread" agents, ie agents that have an indefinite…
    comment by pacjam · 2025-04-02 · in Show HN: Agent File (.af) – A standard file format for serializing AI agents
  4. ...also MemGPT (now called Letta) https://github.com/letta-ai/letta
    comment by jimmySixDOF · 2024-12-03 · in Show HN: Flow – A dynamic task engine for building AI agents
  5. On a side note: working over longer contexts also reminds me of MemGPT( https://github.com/cpacker/MemGPT ) I think a similar concept can be applied to Mamba architecture models too.
    comment by ninjahatori · 2024-03-28 · in Jamba: Production-grade Mamba-based AI model
  6. …the Discord bot or with the GitHub repo! Or even just check out the short demo GIFs we released (at https://github.com/cpacker/memgpt ) to get an idea of the MemGPT inputs/outputs. The high-level memory read/writes are quite intuitive and…
    comment by pacjam · 2023-10-16 · in MemGPT – LLMs with self-editing memory for unbounded context
  7. …(and itself). Everything's open source, so can also try running MemGPT locally using the code here: https://github.com/cpacker/MemGPT . In the repo we also have a document-focused example where you can chat with MemGPT about the LlamaIndex…
    comment by pacjam · 2023-10-16 · in MemGPT – LLMs with self-editing memory for unbounded context
  8. …under the hood - you might be interested in our perpetual chat bot example in the GitHub repo ( https://github.com/cpacker/MemGPT ), the message traces in the demo GIF should give you an idea of how things work at a glance.
    comment by pacjam · 2023-10-16 · in MemGPT – LLMs with self-editing memory for unbounded context
  9. …If you want to run the chatbot or API docs examples locally, you can follow the instructions here: https://github.com/cpacker/MemGPT/tree/main#quick-setup .
    comment by pacjam · 2023-10-16 · in MemGPT – LLMs with self-editing memory for unbounded context
  10. …very limited memory. You can play around with different context sizes using the code on GitHub: https://github.com/cpacker/MemGPT/blob/main/memgpt/constants...
    comment by pacjam · 2023-10-16 · in MemGPT: Towards LLMs as Operating Systems
  11. …from operating systems to extend effective context lengths. All of our code is open sourced at https://github.com/cpacker/MemGPT so you can try it out yourselves!
    comment by pacjam · 2023-10-16 · in MemGPT: Towards LLMs as Operating Systems