#moe

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.

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.

Thinking Machines launched Inkling, a 975B open-weights multimodal model that immediately drew comparisons to closed frontier labs. xAI's Grok CLI sparked a data-privacy backlash after users reported it uploading entire home directories. Eli Lilly acquired psychedelics biotech AtaiBeckley for $2.8B, and CMS signaled a structural overhaul of how it pays for clinical AI.

OpenAI's GPT-5.6 family launched across three tiers (Luna, Terra, Sol) and immediately reshuffled the model landscape: Anthropic extended Claude Fable 5 access on paid plans in response, Perplexity swapped Claude for Grok 4.5 at half the cost, and one production team reported a 2.2x speed gain and 27% cost reduction after migrating an agent to GPT-5.6. Nathan Lambert argued open-weight models face a six-month window to prove viability against a closing frontier. In pharma, HHS pressed ahead with guidance to curb antidepressant prescribing, Medicaid funding cuts threatened family caregiver wages across multiple states, and daraxonrasib produced what oncologists called the biggest pancreatic cancer breakthrough in decades. Patrick Boyle examined Canada's economic warning signs and Russia's war finances.

OpenAI launched GPT-Live, a full-duplex voice model backed by GPT-5.5 reasoning, while xAI's Grok 4.5 topped SaaS automation benchmarks at one-quarter the cost of rivals. OpenAI also retracted its recommendation of SWE-Bench Pro after auditing found 30% of its tasks broken. Prime Intellect raised $130M to bring frontier reinforcement learning infrastructure to any company. In pharma, AstraZeneca and Ionis reported a major trial failure in a competitive heart disease market, the White House reviewed FDA commissioner finalists, and RFK Jr. moved to create a formal list of Covid vaccine injuries. The NY Fed found tariff cost pass-through to consumers is still in the pipeline.

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.