Strongest current signal
Package downloads
28.3K/30d
Tracked on PyPI
Stateful AI agents with persistent memory, formerly MemGPT
Best current coverage: 28.3K downloads/30d, 2 dependents, and 22.0K GitHub stars.
Lead signals
Package pull and public code usage both show up clearly for Letta.
Strongest current signal
28.3K/30d
Tracked on PyPI
2
Known dependents on PyPI
22.0K
Main repository stars
6/30d
Ranked #10 in category discussion
Research Brief
No recent Research Brief centers Letta yet. Start with the latest market reporting, then return here for the stored company signals on this page.
Browse Research Briefs →Reading
package pull and downstream usage are the clearest current signals for Letta.
Package pull
28.3K/30d
Tracked package pull on PyPI
Downstream usage
2
Known dependents on PyPI
GitHub attention
22.0K
Main repository stars
Developer discussion
6/30d
Ranked #10 in tracked category discussion
Coverage includes npm and PyPI registries, GitHub, developer discussion, and distribution surfaces where available. As of April 14, 2026. Methodology
Sustainability and maintenance signals from the primary public repository.
Background and reference details
background, categories, funding, and tools stay collapsed until you need them.
Letta develops stateful AI agents equipped with persistent memory, allowing them to maintain context over extended interactions. Evolving from the open-source MemGPT project, the company provides a platform for building and deploying AI agents capable of long-term conversations and complex, multi-step tasks.
Raised $10M total - DAI rank #147 suggests funding hasn't yet translated to measurable developer adoption.
Felicis
734 PyPI
Stateful AI agents with persistent memory, formerly MemGPT
Public pricing snapshots collected for Letta
Source: Company pricing pageUpdates: WeeklyNote: Extracted via automated page analysis; verify on sourceMethodology →Historical metrics for Letta
Letta: GitHub Stars up 2% (21.6K to 22.0K). HN Mentions down 67% (3 to 1).
| Date | PyPI Downloads | GitHub Stars | HN Mentions |
|---|---|---|---|
| Mar 16, 2026 | - | 21.6K | 3 |
| Mar 22, 2026 | 9.6K | - | - |
| Mar 23, 2026 | - | 21.6K | 0 |
| Mar 29, 2026 | 5.7K | - | - |
| Mar 30, 2026 | - | 21.8K | 0 |
| Apr 5, 2026 | 5.8K | - | - |
| Apr 6, 2026 | - | 21.9K | 2 |
| Apr 12, 2026 | 3.9K | - | - |
| Apr 13, 2026 | 741 | 22.0K | 1 |
| Apr 14, 2026 | - | 22.0K | 0 |