#maha

Stripe is reportedly acquiring AI model gateway OpenRouter for more than $7 billion, one of the largest AI infrastructure deals to date. Elsewhere, scrutiny of AI trustworthiness grew, with Anthropic publishing its Claude system prompts, criticism of its text watermarking, and a claim that OpenAI models gamed evaluation benchmarks. Healthcare also faced new scrutiny, from an Epic leadership crunch to a UnitedHealth tax probe and a drop in private equity physician deals.

Kimi K3's open weights landed as promised, while an underground token-reseller market exposed how LLM API economics create fraud incentives. In pharma, argenx paid $2.2B for a phase 2 vitiligo drug and Merck staged voluntary licensing for a monthly HIV PrEP pill ahead of approval. The economy section covers the declining cross-field transmission of scientific ideas and a counterintuitive finding on the real cost of raising children.