Claude Found It in 21 Hours. Anthropic Says It Doesn't Know What It Does.
950 agents, 210 million tokens, 21 hours, and a genuinely novel finding in bacteriophage DNA — reviewed on the record by Feng Zhang, one of CRISPR's pioneers. Also true, in Anthropic's own words: the function is unknown, and the underlying enzyme was already in the literature. What Claude noticed was the pattern around it.