AssemblyAI
PrivateLast Round
Series C
Dec 4, 2023
Est. Valuation
$300M
Total Funding Raised
$109.32M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
AssemblyAI operates in AI, Data & Cloud Infrastructure and is based in San Francisco, California. Its latest recorded funding round was a Series C round in December 2023.
AssemblyAI is an artificial intelligence company that provides a developer-focused API for speech-to-text and audio intelligence models.
Sector
AI, Data & Cloud Infrastructure
Verticals
NLP & Conversational AI, API Management, Customer Experience, Medical AI
Business Model
B2B
Customer Profile
Usage-Based SaaS, Freemium
AI Layer
Infrastructure
Historical Pricing
Historical view of private secondary pricing and transaction trends.
AssemblyAI Comparables
Compare AssemblyAI with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Deepgram | 90% | |
| Gladia | 83% | |
| Soniox | 78% |
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AssemblyAI Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series C | Dec 4, 2023 | ||||
| Series B | Jul 14, 2022 | ||||
| Series A | Mar 4, 2022 | ||||
| Seed | Sep 1, 2017 | ||||
| Accelerator | Aug 1, 2017 |
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Key People
Founding team and executive leadership
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AssemblyAI Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Root Ventures | Series A |
| Craft Ventures | Series A |
| Smith Point Capital | Series C |
| Y Combinator | Series B, Series A, Series C, Seed, Accelerator |
| 8VC | Series A |
| Index Ventures | Series A |
| Insight Partners | Series C, Series B |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 18, 2026
Granola named as a new customer.
- Jul 18, 2026
Fireflies.ai named as a customer in a job posting.
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Recent news
Latest coverage and updates
- identified_as_competitor_ofNov 3, 2026
BitRss Crypto News reports that AssemblyAI, Inc. competes with Cartesia across speech synthesis, transcription and orchestration, with differences in language coverage, pricing and benchmarks, on Nov 3rd '26.
- launchesOct 29, 2026
AssemblyAI, Inc. launches Universal-3 Pro, a promptable speech model for transcription, speaker labeling, audio tagging, and domain-specific accuracy gains.
- launchesOct 29, 2026
AssemblyAI, Inc. launches AssemblyAI-TTS-1, a generally available text-to-speech API for voice agents on live phone calls, on Oct 29th '26.
- launchesOct 13, 2026
AssemblyAI, Inc. launches Voice Standard Bench on Oct 13th '26, comparing more than 50 large language models by quality, response time and cost so developers can match models to transcript tasks.
- attends_eventSep 17, 2026
AssemblyAI, Inc. attends the recent Build Smarter Voice Agents event in New York and highlights how voice agents reshape professional networking and healthcare.
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AssemblyAI 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 AssemblyAI's valuation, stock price, and market status.
Is AssemblyAI a public or private company?
AssemblyAI is a private company.
What is the current stock price of AssemblyAI?
AssemblyAI is a private company, so its shares have no public market price. Caplight tracks AssemblyAI's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is AssemblyAI worth (valuation)?
AssemblyAI's valuation is estimated at $300.0M based on funding round data.
Can I buy AssemblyAI stock?
AssemblyAI shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was AssemblyAI's last funding round?
AssemblyAI's most recent funding round was Series C on December 4, 2023.
Who are the main investors in AssemblyAI?
Key investors in AssemblyAI include Y Combinator, Insight Partners, Accel.
Will AssemblyAI IPO soon?
No public IPO plans have been announced for AssemblyAI.
How can I track AssemblyAI secondary market activity?
Caplight tracks bids, offers, and trades in AssemblyAI's shares on secondary markets.