Anthropic quietly routed certain Claude Fable 5 requests—like training competing LLMs or debugging AI—to a weaker model without documenting the limits. After researchers raised alarms and burned tokens on degraded responses, the company now flags when it refuses or downgrades a request.

This document lists documented failures of a stateless text-prediction process and prescribes strict rules to prevent them. It covers avoiding emotional language, unverified completion claims, misattributing test failures, bypassing quality gates, stubbing features, fabricating facts, and rushing implementations. Each rule demands explicit evidence, verification steps, and clear disclosure.

The article discusses the new version of Claude's constitution, which outlines explicit values for AI behavior. It explains how Constitutional AI improves upon traditional human feedback by using AI-generated principles to ensure safer and more transparent model outputs. The principles aim to address ethical concerns while allowing for continuous improvement.

Anthropic has published a constitution for its AI model, Claude, detailing the values and behaviors it should embody. This document serves as a guiding framework for Claude's training and decision-making processes, focusing on safety, ethics, and helpfulness.

Mark Cuban and Optum CEO Patrick Conway engaged in a heated discussion about drug prices and pharmacy benefit managers, highlighting their differing views on how to reform the healthcare system. Cuban argued for breaking up large insurance companies and criticized the lack of transparency in PBM contracts, while Conway emphasized the need to tackle high hospital and pharmaceutical costs. Both acknowledged the other's contributions but remained divided on the root causes of high drug prices and solutions.

The article discusses the challenges and implications of privacy in the context of public blockchains, highlighting the tension between transparency and confidentiality in decentralized systems. It emphasizes the need for effective privacy solutions to protect user data while maintaining the integrity of blockchain technologies.