At TechCrunch Disrupt (October 16, 2026), CEO Amjad Masad said Replit stopped working with Anthropic over cost, partnership fit, and OpenAI Sol/Astra outperforming on Replit benchmarks for vibe-coded apps. An unnamed insider told TechCrunch the Anthropic partnership remained active; September production notes still listed Claude Fable 5.x in Replit Agent.