Top of the Hour — 12:00 PM · Tue Aug 25, 2026

[YOU] on AI · Now · Aug 25, 2026 · 3m

Tuesday, August 25: SK Hynix launches a $28.6B buyback as AI memory demand wobbles; frontier LLMs score just 3–15% on a new scientific-hypothesis benchmark; Anthropic's IPO median date tightens to October 26; ChatGPT Ads goes live across Europe; and Z.AI ships GLM-5.2 Turbo into a crowded model market. In this hour: SK Hynix Launches $28.6B Buyback After Single-Day AI Rout · Anthropic's Median IPO Date Locks In at October 26 — OpenAI Drifts to 2027 · Frontier LLMs Score 3–15% on Scientific Hypothesis Reconstruction — Even Agents Top Out at 42% · ChatGPT Ads Goes Live Across Europe · Z.AI…