Headquarters
San Francisco, CAFounded
2023CEO / Founder
Jesse ZhangEmployees
11-50Funding
Series D — $100MProducts
1 product listedAvg. AI Score
7.4/10Website
decagon.ai/Profile updated
Decagon is a San Francisco-based AI company founded in 2023 by Jesse Zhang and Ashwin Sreenivas. The company develops AI-powered customer service agents designed to handle support interactions autonomously across multiple channels, including chat, email, voice, and SMS.
Decagon's platform allows enterprises to deploy AI agents that can resolve customer inquiries, escalate complex cases to human agents, and integrate with existing support tooling and knowledge bases. The company has attracted customers including Notion, Rippling, Duolingo, and Hertz, positioning itself in the enterprise customer support automation market.
Decagon raised a Series B round in 2024, bringing its total funding to approximately $100 million. Investors include Andreessen Horowitz and Accel, among others. The company has grown headcount rapidly since its founding and operates primarily out of San Francisco.
Dated, source-cited figures. Estimates are marked.
All products by Decagon reviewed by our AI panel of experts.
Six independent reviewer personalities assessed Decagon's product on their own terms. They disagreed by 2.3 points — The Finance Lead was the hardest to convince, The Domain Strategist the most positive.
Averaged across 1 reviewed product in our catalog. Scores are out of 10.
Who Decagon competes with, and how they differ.
Sierra targets a similar enterprise customer-experience AI-agent market at a comparable stage and valuation tier; press coverage routinely frames the two as direct rivals ("Decagon Plans To Take On Salesforce And Sierra" — Forbes).
1 product reviewed on TopReviewedSalesforce bundles Agentforce into its existing CRM install base at no extra product to buy, versus Decagon's standalone AI agent platform sold independently of any CRM.
2 products reviewed on TopReviewedIntercom's Fin AI Agent is an add-on to its own messaging/helpdesk platform; Decagon is a dedicated AI agent layer that plugs into a company's existing (often non-Intercom) support stack.
1 product reviewed on TopReviewedAda offers a no-code self-serve builder aimed at mid-market and enterprise support teams; Decagon leans on deeper custom integrations for large enterprise deployments (Hertz, Chime, Duolingo).
1 product reviewed on TopReviewedForethought grew from ticket-triage and agent-assist tooling before expanding into autonomous resolution; Decagon was built agent-first for end-to-end conversational resolution.
1 product reviewed on TopReviewedZendesk layers AI agents onto its long-established ticketing suite; Decagon is a newer, agent-native platform without a legacy ticketing product to maintain.
1 product reviewed on TopReviewedKey milestones in Decagon's history, with sources.
Series D — $250M led by Coatue Management and Index Ventures, $4.5B valuation
Decagon raised $250 million, tripling its valuation to $4.5 billion in under six months; total funding reached roughly $481 million since founding.
siliconangle.comSeries C — $131M co-led by Accel and a16z Growth, $1.5B valuation
Decagon raised $131 million, reaching a $1.5 billion valuation just one year after emerging from stealth; the round drew roughly 5x more investor demand than capacity.
finance.yahoo.comSeries B — $65M led by Bain Capital Ventures
Decagon raised a $65 million Series B led by Bain Capital Ventures, bringing total disclosed funding to $100 million.
cooley.comEmerged from stealth with $5M seed and $30M Series A
Decagon emerged from stealth disclosing a $5 million seed round led by a16z and a $30 million Series A led by Accel, for $35 million in total funding.
venturebeat.comFounded by Jesse Zhang and Ashwin Sreenivas
Jesse Zhang (previously founder of Lowkey, acquired by Niantic) and Ashwin Sreenivas (previously founder of Helia, acquired by Scale AI) founded Decagon in August 2023 in San Francisco.
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