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Charles Packer
Letta
1,699 posts
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@charlespacker

Charles Packer

Letta
@charlespacker
CEO at @Letta_AI, prev PhD at UC Berkeley (MemGPT, RL, agents)
SF
charlespacker.com
Joined March 2014
1,258
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  • Pinned
    @charlespacker
    Charles Packer
    Letta
    @charlespacker
    Dec 11, 2025
    Continual learning in token space:
    Image
    Continual Learning in Token Space
    From letta.com
    9
  • @charlespacker
    Charles Packer
    Letta
    @charlespacker
    12h
    the high mts circle aesthetic
    Image
    Image
    @DiscussingFilm
    DiscussingFilm
    @DiscussingFilm
    Sep 8
    Image
    01:16
    First trailer for Luca Guadagnino's ‘ARTIFICIAL’, starring Andrew Garfield as Sam Altman. The film follows the story involving OpenAI focused on the firing & rehiring of CEO Sam Altman. In theaters on December 25.
  • @charlespacker
    Charles Packer
    Letta
    @charlespacker
    Sep 5
    mobile cloud agents are going to be what finally force me to move off the iphone 13 mini 😔 completely nuking my battery life
    1
  • @charlespacker
    Charles Packer
    Letta
    @charlespacker
    Sep 5
    new advanced context management features rolling out in the codex harness "in the coming weeks" 👀 "keep notes across context windows, preserving accumulated details without repeatedly compressing them into a single summary" -> curious what this actually means? does this mean
    Image
    6
  • @charlespacker
    Charles Packer
    Letta
    @charlespacker
    Aug 31
    when your tests are great and your sandboxes are set up for visual recording, imessage is all your need
    @ndrewpignanelli
    andrew pignanelli
    General Intelligence Company
    @ndrewpignanelli
    Aug 30
    I love agent task streams. But they’re now becoming irrelevant as we move towards grok bot/poke/instinct style experience where you just get user messages and artifacts.
    1
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