LessWrong

LessWrong is an online community and publishing platform devoted to refining the art of rationality. It brings together readers and contributors interested in clear thinking, better models of the world, and practical ways to examine beliefs and ideas. The site publishes community-written posts and short-form discussions across topics including rationality, artificial intelligence, ethics, social reality, and personal development.

Readers can explore a Concepts Library, curated recommendations, “Best of LessWrong” selections, sequence highlights, and Rationality: A-Z, which organizes material into an accessible learning path. The Codex and the community’s other resources offer additional ways to navigate its essays and ideas. Members can participate in discussions, follow contributors, share quick takes, and discover community events and meetups. LessWrong also hosts activities such as its annual Petrov Day simulation, which invites users to take part in a shared community scenario. For readers who want updates, the site offers RSS and email subscriptions. Overall, LessWrong combines long-form educational writing, open discussion, curated learning resources, and community participation in one destination.