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About
AssemblyAI offers AI models for transcribing and understanding speech, enabling developers to build voice AI applications. Their core products include Speech-to-Text, Speech Understanding, and a Voice Agent API, serving companies from startups to Fortune 500s. These tools allow for real-time transcription, conversation intelligence, and the creation of advanced voice-powered experiences.
Key facts
At-a-glance profile data
- Website
- assemblyai.com
- Headquarters
- San Francisco, United States
- Founded
- 2017
- Total funding
- $108M
- Business model
- B2B
AssemblyAI pricing
| Plan | Price | Includes |
|---|---|---|
| Free | Free | Try API for free |
| Pay as you go | Not listed | No commitments required, Pay as you go after free trial |
| Custom | Contact sales | Custom rate limits, Enhanced concurrency |
| Universal-3.5 Pro | $0.21 / hour | Async speech-to-text model, Works across 18 languages, Native code switching |
Pricing is pay-as-you-go after free trial with no commitments required. Contact sales for custom pricing.
Plans as published by AssemblyAI, checked September 2026. Current prices on assemblyai.com
Funding rounds
| Date | Round | Amount | Lead investors |
|---|---|---|---|
| 16 May 2024 | Undisclosed round | $50M | - |
| 15 Mar 2022 | Undisclosed round | $30M | Insight Partners |
| 16 Nov 2021 | Undisclosed round | $28M | Insight Partners |
Tech stack
Detected on assemblyai.com, last scanned 11 Aug 2026. Run your own scan
- Frontend
- Astro, Tailwind CSS
- Observability
- Datadog
- CDN
- Vercel
- Email provider
- Google Workspace
- Cookie consent
- OneTrust
- Affiliate program
- Self-hosted affiliate
Frequently asked
How much funding has AssemblyAI raised?
AssemblyAI has raised a total of $108M in funding.
How many employees does AssemblyAI have?
AssemblyAI has approximately -149 people on record.
Does AssemblyAI have an affiliate program?
Yes, AssemblyAI has an affiliate program. The program runs on Self-hosted affiliate. Register here: https://www.assemblyai.com/affiliates