Decagon raises $250M Series D at a $4.5B valuation

Decagon/Decagon agents

Decagon raised $250 million led by Coatue and Index Ventures, tripling its valuation to $4.5 billion in under six months. It added more than 100 enterprise customers in the past fiscal year, including Avis Budget Group, Block and Deutsche Telekom.

• New investors ChemistryVC, Definition Capital and Starwood Capital; a16z, Accel and Bain Capital Ventures returned.
• Pitch: an always-on AI concierge across voice, chat and email.
• Procedures written as Agent Operating Procedures are its core building tool.