Retell AI
Agent61Agent Readiness: 61/100. Top 25%. Measured by StartupHub.ai. Median 41.Trust94Data Trust: 94/100. Top 25%. Measured by StartupHub.ai. Median 61.Voice AI agent platform handling more calls per second than the US 911 system, $60M ARR with a 35-person team.
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About
Retell AI offers an AI voice agent platform for automating phone calls at scale. Their product enables businesses to build, deploy, and monitor AI voice agents for use cases such as customer support, lead qualification, and appointment booking across various industries. Retell AI serves large support and sales teams looking to enhance call operations without compromising quality.
Listed competitors
AssemblyAI focuses more broadly on speech AI, including transcription and summarization, while Retell AI specializes in building and deploying interactive AI voice agents.
Deepgram offers advanced speech recognition and NLP, whereas Retell AI provides a complete platform for agent creation and management.
Key facts
At-a-glance profile data
- Website
- retellai.com
- Headquarters
- San Francisco, United States
- Founded
- 2023
- Employees
- 35
- Total funding
- $14M (Seed)
- Business model
- B2B
Retell AI pricing
| Plan | Price |
|---|---|
| Pay as you go$10 in free credits, Full platform access, 20 concurrent calls included | $0.07-$0.31 / minute |
| EnterpriseCustom pricing for AI Voice Agents and AI Chat Agents, No cap on concurrent calls, Dedicated stable server add-on | Contact sales |
Pay as you go also includes AI Chat Agents from $0.002 per message. Component pricing includes Retell Voice Infra $0.055 per minute and TTS from $0.015 per minute. No charge for SIP trunking or custom telephony.
Plans as published by Retell AI, checked September 2026. Current prices on retellai.com
Funding rounds
| Date | Round | Amount | Lead investors |
|---|---|---|---|
| 1 Mar 2023 | Seed | $14M | SignalFire |
Tech stack
Detected on retellai.com, last scanned 22 Oct 2026. Run your own scan
- Compliance
- SOC 2, HIPAA
- Auth
- Auth0
- Analytics
- Google Analytics 4, Google Tag Manager, Mixpanel, LinkedIn Insight Tag, Meta Pixel
- Support
- Discourse
- CMS / Builders
- Webflow
- CDN
- Cloudflare
- Email provider
- Google Workspace
- Status page
- Statuspage
- Affiliate program
- Tolt, Self-hosted affiliate
Frequently asked
Is Retell AI trustworthy and reputable?
StartupHub's Data Trust & Reputation score for Retell AI is 94 out of 100, a trusted rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
How much funding has Retell AI raised?
Retell AI has raised a total of $14M in funding. The most recent round on record is Seed.
How many employees does Retell AI have?
Retell AI has approximately 35 people on record.
Does Retell AI have an affiliate program?
Yes, Retell AI has an affiliate program. The program runs on Tolt, Self-hosted affiliate. Register here: retellai.com/affiliates
