Agents IA
hindsight
Agent memory that learns — so your agents get smarter over time.
★ 47,0 k étoilesMIT
Voir le guide →letta est un projet de agents IA open source, créé par letta-ai (letta-ai/letta sur GitHub). Il compte 25 073 étoiles sur GitHub et 2 643 forks, il est publié sous la licence Apache-2.0 et a été mis à jour pour la dernière fois sur GitHub le 10 septembre 2026.
Stateful AI agents with memory that learns and improves.
Choose one real workload to test the project against.
Clone it locally and read through the getting-started guide.
Install the stack it needs and set any environment variables.
Execute the starter example and check results before going further.
Agents that persist state across sessions.
Memory systems designed for long-term learning.
Agents that refine behavior over time.
More than a library — a full agent platform.
Permissive licensing.
25k+ stars and an active community.
Install Letta from PyPI.
pip install lettaAdd your model provider keys per the docs.
# see docs for server vs. local setupFollow the quickstart to launch your first stateful agent.
# see README for the exact CLI commandsIt is maintained by the letta-ai organization at letta-ai/letta, with 2,643 forks. The docs site tracks current development.
Yes. It is released under the Apache-2.0 license, which permits commercial use, modification, and redistribution. Read the LICENSE file for the exact terms.
You need model API access; check the docs for managed versus self-hosted options.
Compare memory models and statefulness — persistent, learning memory is Letta's core pitch.
Read the docs, install the package, and follow the quickstart to run your first agent.
Agent memory that learns — so your agents get smarter over time.
Honcho — Plastic Labs' memory library for stateful agents that learn about their users over time.
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Examples and integrations for Zep — the memory layer for AI agents.
Les autres projets de la catégorie Agents IA avec le plus d'étoiles du catalogue LibreAI — la sélection réaliste d'alternatives si letta ne vous convient pas.
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Projets de la catégorie Agents IA proches dans le catalogue, les plus proches en étoiles de letta — continuez à explorer de part et d'autre.
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Gratuit et ouvert : récupérez le code source, mettez une étoile au dépôt et commencez à créer.