Use the vitals package with ellmer to evaluate and compare the accuracy of LLMs, including writing evals to test local models ...

The Daily News Sentiment Index is a high frequency measure of economic sentiment based on lexical analysis of economics-related news articles. The index is described in Buckman, Shapiro, Sudhof, and ...

February 24, 2026 • Gavin Newsom is in his final year as governor of California. He’s also widely considered a potential presidential candidate for 2028—a possibility he has not ruled out—and he sees ...