Retell AI
PrivateLast Round
Seed
Aug 27, 2024
Total Funding Raised
$4.6M
Momentum
Top 1%
of companies Caplight tracks
Company Overview
Retell AI operates in AI, Data & Cloud Infrastructure and is based in San Francisco, California. Its latest recorded funding round was a Seed round in August 2024.
Retell AI is a software company that provides a developer-first platform for building, deploying, and monitoring human-like AI voice agents for contact center automation.
Sector
AI, Data & Cloud Infrastructure
Verticals
NLP & Conversational AI, Cloud Communications, API Management, Customer Experience
Business Model
B2B
Customer Profile
Usage-Based SaaS, Subscription SaaS
AI Layer
Infrastructure
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Retell AI Comparables
Compare Retell AI with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Vapi | 91% | |
| Bland AI | 89% | |
| Vocode | 86% |
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Retell AI Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed | Aug 27, 2024 | ||||
| Pre Seed | Nov 1, 2023 |
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Key People
Founding team and executive leadership
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Retell AI Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Carya | Seed |
| Alt Capital | Seed |
| Y Combinator | Seed, Pre Seed |
| Alt Capital | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Sep 17, 2026
Ranked as a Top Startup on the Lean AI Leaderboard.
- Sep 17, 2026
Ranked #4 Fastest-Growing Software Vendor in Brex Benchmark 2025.
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Recent news
Latest coverage and updates
- adopts_technologyOct 27, 2026
Retell AI Inc. uses GPT-6 Astra for voice agents and to power 100M monthly calls.
- integrates_withOct 22, 2026
Retell AI Inc. integrates with Twilio Inc., while businesses connect existing lines through SIP trunking.
- launchesSep 4, 2026
Retell AI Inc. shipped Workflows on Aug 24th '26, a native orchestration layer that manages voice-agent setup before calls and follow-through afterward, including integrations and handoffs.
- recognized_asAug 26, 2026
Independent tests from Ventureharbour and Arahi rank Retell AI Inc. in their top tier for latency and reliability.
- recognized_asAug 18, 2026
In Aug '26, Crowdverdict ranks Retell AI Inc. as the strongest all-round AI phone-agent platform in its Best AI phone agents 2026 ranking, based on aggregated reviews and a 7.8/10 crowd score.
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Retell AI Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about Retell AI's valuation, stock price, and market status.
Is Retell AI a public or private company?
Retell AI is a private company.
What is the current stock price of Retell AI?
Retell AI is a private company, so its shares have no public market price. Caplight tracks Retell AI's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Retell AI worth (valuation)?
Valuation information for Retell AI is not publicly available.
Can I buy Retell AI stock?
Retell AI shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Retell AI's last funding round?
Retell AI's most recent funding round was Seed on August 27, 2024.
Who are the main investors in Retell AI?
Key investors in Retell AI include Alt Capital, Alt Capital.
Will Retell AI IPO soon?
No public IPO plans have been announced for Retell AI.
How can I track Retell AI secondary market activity?
Caplight tracks bids, offers, and trades in Retell AI's shares on secondary markets.