AnalysisAI ModelsJuly 13, 2026
Claude Fable solves 6-month physics problem, says Yuji Tachikawa

Leading theoretical physicist Yuji Tachikawa reported on Twitter that Anthropic's Claude Fable solved a problem he and collaborators were stuck on for six months. No official confirmation from Anthropic has been provided.
Featured · Yuji Tachikawa