Substack's new tool tells you who's been writing their newsletters with AI

Published on July 22, 2026
Substack is giving readers a way to estimate how much of a newsletter was written by AI, signaling a broader shift toward transparency around AI-assisted content.
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OpenAI's AI spending spree has ballooned to $750B

July 22, 2026
OpenAI will spend the equivalent of Sweden's GDP on infrastructure through 2030.

Arcee, a US open source AI lab, says Chinese models are not inherently dangerous

July 22, 2026
As Chinese AI models grow in capability and popularity among US companies, the arguing over what should be done about them has reached a fever pitch.