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letta-ai /letta

Open on GitHub

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

Stars
25,337 stars
Forks
2,667 forks
Language
Not reported
License
APACHE-2.0
Created
Oct 11, 2023
Last push
Oct 18, 2026
Updated
Nov 3, 2026
Tags
GitHub topics

In the Repository Index from the Seed Dataset since Oct 22, 2026.

Star History

193 days recorded, Apr 26, 2026 – Nov 4, 2026 (UTC). Net change +3,251 stars.

Stars at the end of each day25,337 now
25K
Apr 26, 2026Nov 4, 2026
Net stars each dayhighest +40
+40 on Aug 24, 20260.16.8, May 14, 2026
Apr 26, 2026Nov 4, 2026

The star count of each day is the latest count less the net stars of the later days.

Add this Star History to a README

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Star History chart

[![Star History of letta-ai/letta](https://awesomerepos.com/letta-ai/letta/stars.svg)](https://awesomerepos.com/letta-ai/letta)

Badge

[![AwesomeRepos](https://awesomerepos.com/letta-ai/letta/badge.svg)](https://awesomerepos.com/letta-ai/letta)

Timeline

It gained stars on each of the 193 days recorded since Apr 26, 2026.

Its largest 7 days were May 6, 2026 to May 12, 2026: 231 stars.

In the 30 days to Nov 4, 2026 it got 342 stars, 23% fewer than in the 30 days before.

  1. Created on the Repository Host
  2. Release 0.16.4
  3. Release 0.16.5
  4. Release 0.16.6
  5. Release 0.16.7
  6. +39 stars in one day
  7. +38 stars in one day
  8. Release 0.16.8
  9. Largest star day recorded: +40 stars
  10. Reached 25,000 stars, 1,091 days after it was created
  11. Latest push
  12. Entered the Repository Index from the Seed Dataset

From the Repository Host's creation date and releases, the Admission, the Star History, and the Observations. Star milestones show only when the Star History records the day. The list shows up to 5 stable releases from the latest 10 releases recorded. When none of them is stable, one item counts the pre-releases. On the chart of net stars each day, a solid line marks each recorded release.

Forks and pushes

From 14 Observations, Oct 22, 2026 – Nov 4, 2026. Forks +16. A new push was seen on 0 of 13 days.

Forks2,667
  1. Oct 23, 2026: no new push
  2. Oct 24, 2026: no new push
  3. Oct 25, 2026: no new push
  4. Oct 26, 2026: no new push
  5. Oct 27, 2026: no new push
  6. Oct 28, 2026: no new push
  7. Oct 29, 2026: no new push
  8. Oct 30, 2026: no new push
  9. Oct 31, 2026: no new push
  10. Nov 1, 2026: no new push
  11. Nov 2, 2026: no new push
  12. Nov 3, 2026: no new push
  13. Nov 4, 2026: no new push

A filled day: the last push time changed since the Observation before it.

Health facts

Measured facts in four separate dimensions, each with a date and a source. AwesomeRepos does not add them into one score. AwesomeRepos reads the weekly commits, the changelog, and the community files each week for the 5,000 visible repositories with the most stars and for each rising repository. How each check is defined

Maintenance

2 of 4 checks (2 without data)

  • Yes: Not archived

    GitHub does not mark the repository as archived. Source

  • Yes: A push in the last 90 days

    Last push on 2026-10-18, 16 days ago. Source

  • No data: Commits in the last 13 weeks

    No data: AwesomeRepos has not read the weekly commits.

  • No data: Commits in 26 or more of the last 52 weeks

    No data: AwesomeRepos has not read the weekly commits.

Releases

2 of 3 checks (1 without data)

  • Yes: A release in the last 365 days

    Newest release 0.16.8 on 2026-05-14, 173 days ago. 10 or more releases in the last 365 days. Source

  • Yes: The newest release tag is a semantic version

    The newest release tag is 0.16.8. Source

  • No data: A changelog file at the root

    No data: AwesomeRepos has not scanned this repository.

Security practice

0 of 1 check (1 without data)

  • No data: A security policy

    No data: AwesomeRepos has not scanned this repository.

AwesomeRepos has not asked OpenSSF Scorecard about this repository.

Community files

1 of 3 checks (2 without data)

  • Yes: A licence

    GitHub finds the licence APACHE-2.0. Source

  • No data: A contributing guide

    No data: AwesomeRepos has not scanned this repository.

  • No data: A code of conduct

    No data: AwesomeRepos has not scanned this repository.

Dependencies in the index

The GitHub dependency graph of this repository names 123 direct packages (scanned on Nov 3, 2026). Packages from 48 other repositories in the index are among them.

No scanned repository names a package from this repository.

Uses (8 of 48)Used byletta-ai/lettamicrosoft/markitdownmicrosoft/markitdownlangchain-ai/langchainlangchain-ai/langchainTextualize/richTextualize/richrun-llama/llama_indexrun-llama/llama_indexastral-sh/ruffastral-sh/ruffgrpc/grpcgrpc/grpcpsf/blackpsf/blacknumpy/numpynumpy/numpyNone in the scan
An arrow points from the repository that names a package to the repository that the package comes from.

Uses (in the index) 48

Used by (in the index) 0

None.

Sources: the GitHub dependency graph of each repository, and deps.dev for the source repository of each package (checked on Nov 3, 2026). A dependency graph also names development packages. deps.dev takes most source repositories from package metadata. How the dependency graph is made

Observations

What the Repository Host reported each day.

Day (UTC)StarsForksLast pushArchived
Nov 4, 202625,3372,667Oct 18, 2026No
Nov 3, 202625,3212,665Oct 18, 2026No
Nov 2, 202625,3162,665Oct 18, 2026No
Nov 1, 202625,3102,665Oct 18, 2026No
Oct 31, 202625,2942,662Oct 18, 2026No
Oct 30, 202625,2902,663Oct 18, 2026No
Oct 29, 202625,2742,664Oct 18, 2026No
Oct 28, 202625,2682,663Oct 18, 2026No
Oct 27, 202625,2622,662Oct 18, 2026No
Oct 26, 202625,2532,659Oct 18, 2026No
Oct 25, 202625,2462,656Oct 18, 2026No
Oct 24, 202625,2392,655Oct 18, 2026No
Oct 23, 202625,2332,652Oct 18, 2026No
Oct 22, 202625,2312,651Oct 18, 2026No
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