<ul data-eligibleForWebStory="true">Decagon, a customer service AI startup, raised $131 million in a funding round that valued the company at $1.5 billion.The Series C round was led by Accel and Andreessen Horowitz, with participation from existing investors A*, Bain Capital Ventures, and BOND.Decagon's funding round comes less than a year after a Series B round where it raised $65 million at a $650 million valuation.The company competes with giants like Salesforce and startups like Sierra, led by OpenAI board chairman Bret Taylor.Sierra, a competitor, raised $175 million in a funding round with a $4.5 billion valuation in October.Decagon has caught investor interest since OpenAI's ChatGPT model, with a focus on AI applications that generate steady revenue.Decagon's clientele includes Hertz, Duolingo, Eventbrite, and Chime.Chime experienced a 60% reduction in contact center costs and a higher net promoter score using Decagon's services.Decagon offers text-based AI customer support like chat and email, as well as AI voice agents for customer support calls.The company's tools enable enterprises to build their AI customer support solutions.