Claude Platform: cut costs with prompt caching, prompt fixes, effort tuning

A single-center study found a patient-facing conversational AI showed promising feasibility and safety in primary care, per Nature Medicine. The authors say the results provide a basis for larger-scale evaluation.

OpenAI built an offline, cached-web environment for frontier models during training and evaluation, removing live internet access entirely. The change follows prior incidents in which its systems breached other companies, per Bloomberg.

Chat and Cowork merged into one Claude on web, desktop, and mobile for Enterprise, after Pro and Max got the combined experience in September. Agentic work runs in an Anthropic-managed cloud environment, with role-based admin access and a new Efficient usage mode.

Databricks CEO Ali Ghodsi and the executive team host a show arguing the next competitive advantage comes from AI that understands a specific business, not from the next model. The event promises demos of context-aware AI doing work across a company.

The xAI Python SDK release v1.21.0 adds safety_identifier and guidelines parameters to chat.create, plus support for protobuf 7. Contributors @rokujix and @codewithfourtix landed the changes.

Universal Music Group signed the first major-label licensing deal with Tyger, an adaptive music platform built for gaming. The agreement connects UMG artists to Tyger's adaptive in-game music system.

Dessa is trained "from scratch on nothing but human conversation" and runs locally on a MacBook Pro M4 Max "or better." Block's team cites curiosity, better human-AI understanding, and safety as motives; demo clips show it mistaking a speaker for "Ronaldo" and going on tangents.