The Active Inference Institute (AII) is an open-science institute dedicated to improving the accessibility, rigor, and applicability of the Active Inference framework.
For the most recent overviews, see the 2025 4th Quarterly Roundtable, our newsletter, and learn about the Active Inference ecosystem at our main living documentation site.
All backgrounds, time zones, time availability, and level of familiarity with Active Inference are welcome to participate in the Institute.
Ways to Engage with the Active Inference Institute
See active and past Activities
Learn about Projects at the Institute:
Project ~ Preparation for proposing projects that engage with the Institute.
Project ~ Measurement for reporting on projects and other updates.
See Textbook Group to participate in a Textbook Group
See Volunteer to learn about contributing to projects at the Institute
See Internship to learn about the Internship program at the Institute
Join the Discord, where there are chat channels and meetings are held in voice chat.
We are a 501(c)(3) tax-exempt non-profit (donate here or get in touch)
Reach out to us directly at blanket@activeinference.institute with questions or ideas.
What are some ways to get more familiar with Active Inference?
See our past and upcoming videos (livestreams, courses, textbook groups, Symposium).
Readings:
“The free energy principle—a precis“ by Maxwell Ramstead in 2023.
“Of woodlice and men: A Bayesian account of cognition, life and consciousness” conversational-style interview with Karl Friston
"Spinning Up in Active Inference and the Free Energy Principle" by Jared Tumiel
“FEP and Active Inference Paper Repository” by Beren Millidge
“Toward an Ontology for Third Generation Systems Thinking” by Anatoly Levenchuk
“Active Inference & Behavior Engineering for Teams”, Vyatkin et al.
“An Active Inference Ontology for Decentralized Science: from Situated Sensemaking to the Epistemic Commons”, Friedman et al.
The 2022 Textbook: “Active Inference: The Free Energy Principle in Mind, Brain, and Behavior” by Thomas Parr, Giovanni Pezzulo, Karl J. Friston
See Textbook Group to join an Textbook Group, learning about this textbook in a collaborative setting.