Letta
Letta is an AI research lab in San Francisco building machines that learn. They envision a future where humans coexist with digital people: experiential agents that remember everything, learn continuously, and improve themselves over time.
29/40 applicable signals pass. Open the Capabilities tab for the full signal breakdown, or Issues for the highest-impact gaps.
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Frequently asked about Letta
How Letta compares
Letta scores 72 out of 100, 13.8 points above the 58.2 average across the 406 tools we have scored.
Where Letta fails alongside almost everyone, which is the industry gap rather than a mark against this product:
- OpenAPI / spec quality, where only 13% of scored tools do this (50 of 392).
- Response examples provided, where only 13% of scored tools do this (51 of 392).
- Errors and status codes documented, where only 13% of scored tools do this (52 of 392).
Population figures are read live from the scored registry. We sell nothing listed here and take no payment for a score. See the full dataset.
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