Retell AI
Research Team Data
Published
#1 AI Voice Agent Platform for Automating Calls
Company profile
Overview
Developer and business platform for building, testing, deploying, and monitoring production voice AI agents for phone automation.
Retell provides real-time voice AI agent infrastructure with no-code agent setup, phone automation, monitoring, call handling, telephony, and integrations for sales and support operations.
At a glance
Key facts
- HQ location
- San Francisco, CA, USA
- Founded
- 2023
- Employee range
- 51-20051-200 (third-party/LinkedIn estimate; public count varies)
- Company type
- Private
- Last updated
- Pricing model
- Usage BasedPay-as-you-go / per-minute pricing; enterprise options
Business context
Financials
- Revenue estimate
- Unknown / undisclosed
- Valuation estimate
- Unknown
- Investments
- YC-backed; public funding estimates vary (~$5M+ disclosed in third-party sources)
Market context
Relationships
- Target customers
- Developers, CX teams, sales/support operations, and businesses automating phone calls
- Key competitors
- Vapi, Bland AI, Synthflow AI, ElevenLabs, LiveKit, Cartesia, Regal
- Known customers
- Leading support and sales teams; named customers not consistently public
Source context
Classification (raw research text)
- Core focus
- Voice AI agents and call automation infrastructure
- Core industry
- Customer Support / Sales / Developer Tools
- Core category
- Voice AI platform
Shown verbatim from the research spreadsheet — deriving structured industry tags from this text is a future phase.
Market taxonomy
Segments, Industries & Certifications
Segments
AI WorkflowsAI AgentsAI Developer ToolsKnowledge & RAGAI Quality & ObservabilityAI Governance & RiskCall AnalysisChatbotsVoice AI AgentsSTT/TTS InfrastructureAnalytics & BI
Industries
Customer Support / CXSales / GTM