AI-coding startup Replit said on Wednesday it raised $400 million in a Series D round at $9 billion valuation, with investors like Georgian, G Squared, Accenture, etc. This comes after Replit hit a $3 billion valuation in September 2025. "Replit is now used at 85% of Fortune 500," Founder and CEO Amjad Masad said in a post on X.