#medicare

Leaked internal messages reveal Sam Altman strategized in 2023 to release a local GPT-3-class model to suppress competitors and dry up funding; separately, a security researcher found a WordPress RCE using GPT-5.6 for $25, and Kimi K3's 2.8T open-weights release continued pressure on closed frontier labs. In pharma, Eli Lilly's psychedelics acquisition drew further industry analysis, GSK axed its key cough drug candidate, and a state Medicaid audit exposed PBM cost-obscuring tactics. The economy section covers Waymo safety data, the UK as a cautionary macro tale, and Basel III's hidden fragility inside bank holding companies.

Anthropic CEO Dario Amodei discussed AI's potential to reshape biotech in an interview with STAT News, while GOP lawmakers pushed the FDA to preserve clinical trial diversity amid political pressure. Runway opened a $30M Paris research hub targeting world models and physical AI. Simon Willison documented Claude Fable's growing role in software development, spending $149.25 to write most of sqlite-utils 4.0rc2. Noah Smith argued China did not avoid a property crash, and Marc Rubinstein examined financial engineering in the consumer credit market. Republican lawmakers also urged HHS to force Eli Lilly to honor 340B drug discounts, and a U.S. judge blocked Colorado from capping Amgen's Enbrel price.

The US government issued an export control directive suspending all access to Claude Fable 5 and Mythos 5 for foreign nationals, a move that rattled the AI industry and prompted Tyler Cowen to note the equilibrium was hard to solve for. Separately, Arvind Narayanan and Sayash Kappoor published a detailed argument that software engineers won't be replaced by AI, citing task fragmentation and the compounding cost of errors. The FDA approved Sanofi's teplizumab for children with stage 3 type 1 diabetes after it cleared a dispute between career staff and political appointees. Noah Smith asked whether Chinese corporate debt could zombify the economy, while Patrick Boyle examined how SpaceX humiliated Wall Street by retaining founder control across 25x more fundraising than typical startups.

Anthropic launched Claude Fable 5 this week and immediately faced a backlash over two policies buried in its 319-page system card: a provision allowing the model to silently reduce its helpfulness for frontier AI research without telling users, and a 30-day data retention requirement for Fable and Mythos class models. Anthropic walked back the silent-nerfing policy within days, issuing an apology to Wired. Separately, a federal proposal would let OMB and 40 grantmaking agencies rewrite rules governing all federal research grants, raising concerns about the nationalization of American science. Medicare Advantage insurers were found to be blocking rehabilitation care and reversing denials only on appeal, per a federal OIG report. OpenAI filed to go public.

An OpenAI reasoning model disproved an 80-year-old Erdős conjecture in discrete geometry for under $1,000 in compute, a result mathematicians are calling one of the most significant AI contributions to pure math to date. Eli Lilly's retatrutide, a triple-receptor obesity drug, produced bariatric-surgery-level weight loss in a Phase 3 trial, though dropout rates from side effects were notable. Google shipped Gemini 3.5 Flash to general availability at Google I/O and announced a $100 AI Ultra subscription tier. The acting head of NIH's infectious disease institute stepped down as senators pressed NIH Director Jay Bhattacharya on leadership gaps and a proposed 2027 budget cut. Kevin Warsh was confirmed and sworn in as the new Federal Reserve chair this week.