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.

In-depth analysis of the semiconductor and AI infrastructure industries, covering chips, software stacks, datacenter buildout and equipment makers. Readers get original research, proprietary data and company-level conclusions on how hardware trends affect business.

Stratechery offers in-depth analysis of the technology industry, covering the strategies of companies such as Apple, Meta and SpaceX. Readers get historical context, business-model reasoning and a clear point of view on where tech is heading, plus a weekly digest of related podcasts and sister-site content.

Long-form technical overviews that explain important AI research topics, such as LLM evaluation, post-training and reinforcement learning. Readers get first-principles explanations plus practical implementation details drawn from papers and tech reports.