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LessOnline Festival
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LessOnline is a community festival for rationalists and EA-adjacent thinkers; tangentially relevant to AI safety as a networking and intellectual community event, not a primary technical or policy resource.
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Summary
LessOnline is an annual in-person festival for the rationalist and EA community, centered around ideas from LessWrong, Overcoming Bias, and the broader rationalist blogosphere. It brings together writers, thinkers, and readers for talks, discussions, and community building. The event focuses on epistemic practices, forecasting, AI risk, and rationalist culture.
Key Points
- •Annual gathering for the LessWrong/rationalist community featuring talks and workshops
- •Covers topics including AI safety, epistemics, forecasting, and decision theory
- •Serves as a community hub connecting online rationalist writers with their readership
- •Associated with the broader EA and AI safety intellectual community
- •Provides in-person networking and discussion opportunities for AI safety researchers and rationalists
Cited by 1 page
| Page | Type | Quality |
|---|---|---|
| Lighthaven (Event Venue) | Organization | 40.0 |
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# LessOnline
“A Festival of Writers Who Are Wrong on the Internet”
June 5 – 7, 2026 · Berkeley, CA
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Early Bird Pricing Ends April 7th](https://less.online/#tickets)
## What Is LessOnline?
LessOnline is a festival celebrating truthseeking and blogging. It’s an opportunity to meet people you’ve only ever known by their LessWrong username or Substack handle.
The goal is to bring together a “mostly-online subculture of people trying to work together to figure out how to distinguish truth from falsehood using insights from probability theory, cognitive science, and AI.”
The weekend will be filled with talks, workshops, dance parties, and late-night conversations around the fireside.
This is the third year of LessOnline. Last year over 700 people attended, and we’re expecting roughly the same number this year.
## Some Writings We Love
The sites below embody the virtues we are celebrating. Each author below has been offered a free ticket
indicates attendingShow only attending authors
[A Collection of Unmitigated Pedantry](https://acoup.blog/) [A Song for Two Voices \| Swimmer963](https://archiveofourown.org/series/936480) [Abram Demski](https://www.lesswrong.com/users/abramdemski?sortedBy=top) [Abstraction](https://abstraction.substack.com/) [Aceso Under Glass](https://acesounderglass.com/) [Agenty Duck](https://agentyduck.blogspot.com/) [Agnes Callard](https://thepointmag.com/author/acallard/) [Alex Altair](https://www.alexaltair.com/) [Alicorn](https://alicorn.elcenia.com/index.shtml) [Anders Sandberg](https://www.aleph.se/) [Andrew Critch](http://blog.acritch.com/) [Andy Matuschak](https://andymatuschak.org/) [Anna Salamon](https://www.lesswrong.com/users/annasalamon) [Applied Divinity Studies](https://www.applieddivinitystudies.com/) [Arjun Panickssery](https://arjunpanickssery.substack.com/) [Artificially Intelligent](https://markxu.com/) [Asterisk](https://asteriskmag.com/) [Astral Codex Ten \| UNSONG](https://www.astralcodexten.com/) [Bayesian Investor](https://bayesianinvestor.com/blog/) [Becoming Eden](http://becomingeden.com/) [Ben Landau-Taylor](https://www.benlandautaylor.com/) [Best Jelly](https://bestjelly.substack.com/) [Bet On It](https://www.betonit.ai/) [Bits about Money](https://www.bitsaboutmoney.com/) [Black Belt Bayesian](https://grognor.blogspot.com/2016/12/the-black-belt-bayesian.html) [Bounded Regret](https://bounded-regret.ghost.io/) [Brangus](https://ratorthodox.substack.com/) [Buck Shlegeris](https://blog.redwoodresearch.org/) [Carcinisation](https://carcinisation.com/) [CGP Grey](https://cgpgrey.substack.com/) [Cold Takes](https://www.cold-takes.com/) [Compass Rose](http://benjaminrosshoffman.com/) [Crystal Society \| Max Harms](https://crystalbooks.ai/)
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