Techmeme
December 21, 2025, 12:55 AM

Top News

Mariella Moon / Engadget:
Google says it needs more time to upgrade Assistant to Gemini on most Android devices; Google previously planned to complete the transition by the end of 2025  —  The transition from Assistant to Gemini will continue into 2026.  —  Google wanted to remove Assistant from most Android phones …
Business Insider:
Google advises some employees on visas, including H-1B visas, not to travel outside the US due to processing delays, following new social media screening rules  —  - Google and Apple are advising some employees with visas not to travel outside the US, per memos viewed by Business Insider.
April Roach / CNBC:
S&P Global: data center deals hit $61B globally in 2025; debt issuance nearly doubled YoY to $182B, with Meta raising $62B debt since 2022, ~50% of that in 2025  —  Global data centers dealmaking surged to hit another record high this year, driven by a rush to build out the infrastructure required for energy-intensive AI workloads.
@metr_evals:
METR: Claude Opus 4.5 has a 50% task completion time horizon of about 4 hours and 49 minutes, more than double that of Claude Opus 4 released earlier this year  —  We estimate that, on our tasks, Claude Opus 4.5 has a 50%-time horizon of around 4 hrs 49 mins (95% confidence interval of 1 hr 49 mins to 20 hrs 25 mins). While we're still working through evaluations for other recent models, this is our highest published time horizon to date. [image]
Isabelle Bousquette / Wall Street Journal:
The RAISE Act requires AI companies with $500M+ in revenue to publish safety protocols and disclose safety incidents within 72 hours, with fines up to $3M  —  Days after President Trump moved to block states from regulating AI, New York's governor signs what the bill's sponsor calls the strongest AI safety law in the U.S.
Jon Keegan / Sherwood News:
A look at Meta's 2GW Hyperion data center in Louisiana, with the first phase opening in 2028; an analysis shows sales tax breaks on GPUs could total $3.3B+  —  $10 billion of investment.  Code names to disguise projects and companies.  Mixed opinions.  Skyrocketing property values.
Dan Gallagher / Wall Street Journal:
Micron projects FY Q2 sales to grow over 2x YoY to $18.7B and adjusted operating income to rise over 5x to $11.3B, signaling higher memory chip prices in 2026  —  The AI gold rush is creating shortages for memory chips that could raise prices for all sorts of gadgets
OpenAI:
OpenAI introduces a framework to evaluate chain-of-thought monitorability and a suite of 13 evaluations designed to measure the monitorability of an AI system  —  We introduce evaluations for chain-of-thought monitorability and study how it scales with test-time compute, reinforcement learning, and pretraining.

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More News

Dan Goodin / Ars Technica:

Earlier Picks

Blake Brittain / Reuters: