Retell AI
YC W24San Francisco, US · Founded 2023 · 50 employees · Hiring · 3 known investors
Retell AI builds an enterprise-grade voice AI platform that handles phone calls for industries including healthcare, delivery, and insurance. The platform enables businesses to automate customer-facing voice interactions.
Also known as Adam Translate
AI & Machine LearningEnterprise SoftwareSaaSArtificial IntelligenceAIUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (W24)
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TL
EW
WY
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Zexia ZhanginCo-Founder, CTOHe previously spent four years at Google leading speech translation and NLP call analysis initiatives.
RY
Ryan YFounder
Investors · 3
Competitors · 8
by search overlapRingCentral757 shared keywordsRingCentral provides cloud-based unified communications and AI-powered contact center solutions for businesses, serving over 600,000 customers worldwide. The platform integrates voice, video, messaging, and conversation intelligence to enable secure, efficient enterprise communications.
Dialpad724 shared keywordsDialpad provides a platform that transforms customer conversations into actionable intelligence for businesses. The company serves organizations seeking to improve their operations through conversation analytics and insights.
CloudTalk650 shared keywordsCloudTalk provides an AI voice platform for global calling used by sales and support teams, offering features like parallel dialing, call routing, inbound and outbound AI voice agents, international SMS/WhatsApp messaging, and call analytics. Its cloud-based voice infrastructure supports numbers in over 160 countries for teams handling high volumes of customer conversations.
Aircall608 shared keywordsAircall is an AI-powered cloud platform that combines intelligent voice agents, automated workflows, and real-time coaching for sales and support teams. It integrates with over 250 business applications to automate call handling, optimize routing, and provide insights from customer interactions.
Callhippo524 shared keywordsCallHippo is a cloud-based business communication platform offering a VoIP phone system, call center suite, AI voice agents, conversation intelligence, and omnichannel messaging with virtual numbers in 150+ countries. It serves small businesses through enterprises across industries such as financial services, healthcare, recruitment, real estate, and legal.
Zendesk450 shared keywordsThis is Zendesk's internal belonging/diversity and inclusion program page, not a company profile page for an external company. It describes Zendesk's internal culture initiatives and leadership development programs.
Synthflow AI441 shared keywordsSynthflow provides a platform for building AI voice agents using a modular, API-connected builder with in-house telephony, testing sandbox, real-time call monitoring, and data fine-tuning. It targets enterprises that need to deploy and manage voice automation at scale.
Twilio437 shared keywordsTwilio provides a cloud-based communications platform that enables businesses to integrate voice, messaging, and video into applications using APIs. The platform combines communication channels, contextual data, and AI orchestration for enterprises and developers building customer experiences.
Companies competing with Retell AI for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Retell AI Pricing: Hidden Costs, Monthly Plans, and Why Emitrr Winsemitrr.com · Jul 2026Frequently asked questions
- What does Retell AI do?
- Retell AI builds an enterprise-grade voice AI platform that handles phone calls for industries including healthcare, delivery, and insurance. The platform enables businesses to automate customer-facing voice interactions.
- Who founded Retell AI?
- Retell AI was founded by Bing Wu, Todd Li, Evie Wang, Weijia Yu, Zexia Zhang, Weijia Y, Ryan Y in 2023.
- Who are Retell AI's investors?
- Retell AI's investors include Carya Venture Partners, Y Combinator, Alt Capital.
- Where is Retell AI headquartered?
- Retell AI is headquartered in San Francisco, US.






