CP

Charles Packer

@cpacker

building the self-improving machine // co-founder & ceo @letta-ai

San Francisco, CA

Website

@charlespacker

Joined September 2013

976 Followers

7 Following

AI Insights & Achievements

47/ 100

Consistency

47 day streak.

Veteran

Coding for 13 years.

Influencer

976 followers.

Profile README

👾

I lead Letta, an AI company focused on building stateful agents that can remember & learn like humans do
- Build open AI with us: github.com/letta-ai/letta
- We're hiring: apply to join our team
Previously: AI PhD at UC Berkeley (research on RL + LLM agents, made MemGPT)

Public Repos

26

Total Stars

83

Total Forks

12

Public Gists

0

Top Languages

Based on primary language of repositories

Recent Activity

Contribution Graph

Activity Timeline

Commits and contributions grouped by day, week, or month.

High productivity periods

Most active day: January 27th, 2026 • 45 contributions

Most active week: Dec 29–Jan 4 • 263 contributions

Most active month: Jan 2026 • 909 contributions

DeleteEvent on letta-ai/letta-code

February 1st, 2026 7:53 AM

Pushed to main at letta-ai/letta-code

February 1st, 2026 7:53 AM

merged pull request in letta-ai/letta-code

February 1st, 2026 7:53 AM

opened pull request in letta-ai/letta-code

February 1st, 2026 7:53 AM

Created branch feat/memory-viewer-system-first in letta-ai/letta-code

February 1st, 2026 7:53 AM

Starred Vedant020000/letta-convert

February 1st, 2026 7:29 AM

DeleteEvent on letta-ai/letta-code

February 1st, 2026 7:24 AM

Pushed to main at letta-ai/letta-code

February 1st, 2026 7:24 AM

merged pull request in letta-ai/letta-code

February 1st, 2026 7:24 AM

opened pull request in letta-ai/letta-code

February 1st, 2026 7:21 AM

GitHub Analytics

Charles Packer

Consistency

Veteran

Influencer

👾