Astral Codex Ten publishes long-form essays on AI safety, rationality, politics, science and culture, alongside reader-written book reviews and weekly open threads. Readers get argumentative, carefully reasoned analysis plus community news such as meetups, surveys and grant-related projects.

Meaningness is an essay series by a writer who examines meaning, technology, Vajrayana Buddhism and selfhood in society, reasoning through AI-related futures and existential questions. Readers get long, personal, philosophically dense essays that mix analogies, historical references and self-aware uncertainty.

Venkatesh Rao writes personal, theory-driven essays that build loose models of technology, history and culture, including his world machines theory and his experience of working with AI coding agents. Issues also cover his book club readings, protocol fiction and commentary on debates about humanism and AI.

Khaled Salih's newsletter offers long-form essays on intelligence, error-correction, and how institutions get trapped by their own ideas, currently drawing on his forthcoming book BACKSPACE and commentary on Macron's response to French protests. Readers get sharp philosophical argument applied to current political events, with close reading of key sentences and a clear critical stance.