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Five9’s $100 Million Mega Deal — Can AI Turn Enterprise Wins Into Faster Growth?

Five9, Inc. reported second quarter 2026 revenue of $312 million, exceeding the high end of guidance, supported by 14% year-over-year subscription revenue growth. AI-related revenue increased 78% and represented approximately 15% of subscription revenue, up from 9% a year earlier, partly reflecting customers deploying AI solutions ahead of schedule as professional services capacity expanded. Five9 now expects full-year AI revenue growth of at least 60%, above its previous outlook of over 40%. Core contact center as a service revenue grew 7%, while dollar-based retention remained 107%. Subscription growth included a five-year, $100 million Fortune 100 financial services contract expected to reach approximately $25 million in annual recurring revenue when fully deployed, with minimal subscription contribution in 2026. Five9 remains focused on voice-led customer experience platforms combining AI-powered and human agents, with reliability, governance, and complex workflows particularly important in financial services, healthcare, and insurance.