The AI Reader.
Sunday, August 2, 202648 min read
Working Knowledge · The Instruments

A ChatGPT query costs 0.3 watt-hours by one honest measure and 2.9 by another

The gap traces to four stacked assumptions, and Google's own 2025 paper shows the same query's number can swing 2.4x again depending only on what a company chooses to count.

11 min read9 sources
Working Knowledge · The Evidence

AlphaGo's Nature paper never mentions Lee Sedol

Its one human match is a 5-0 win over Fan Hui, Europe's champion and a professional 2 dan, from a network trained first on 30 million human Go positions.

10 min read6 sources
Working Knowledge · The Mechanics

A safe prompt gets refused because a trained switch fires on a word

Instruction-tuning trained the pattern into the model from examples labeled harmful, not from a theory of harm. That is why Llama-2 refuses a Minecraft weapons question 96% of the time, and GPT-4 almost never does.

9 min read9 sources
Working Knowledge · What Could Go Wrong

The model that drives safety to zero needs a lead nobody has held

Armstrong, Bostrom, and Shulman's 2016 model finds that giving competing developers full information about each other's progress makes the outcome less safe, not more, and every capability gap tracked since 2023 has closed in months, not never.

9 min read12 sources
Working Knowledge · When AI Breaks

Microsoft's Tay chatbot learned racism from Twitter users in about 16 hours

Microsoft blamed a coordinated attack on a vulnerability it never named, and Tay had no way to tell an instruction from a stranger's tweet.

9 min read15 sources