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Overview
AssemblyAI provides an API-driven Speech AI platform that converts audio and video into text and insights. Its models handle automatic transcription and add-ons like speaker diarization, sentiment analysis, and PII redaction, all delivered through scalable API endpoints so customers can integrate transcription and audio analytics into their own apps. Unlike many competitors, AssemblyAI emphasizes a combination of high accuracy, broad capabilities (including privacy-focused features), and ongoing model improvements from a research-driven team, with a subscription-based pricing model for access and data processed. The company aims to help businesses unlock voice data by turning speech into actionable information that can power products and services across tech, media, and enterprise sectors.
About AssemblyAI
Industries
Data & Analytics
Enterprise Software
AI & Machine Learning
Company Size
51-200
Company Stage
Series C
Total Funding
$113.1M
Headquarters
San Francisco, California
Founded
2017
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Simplify's Take
What believers are saying
- September 5, 2026 changelog raised free tier to 100 transcription hours, fueling adoption.
- June 2026 partners page lists Vapi, LiveKit, Twilio, Genesys, and Amazon Connect integrations.
- March 2026 Universal-3 Pro Streaming added 99-plus languages and $0.45 hourly pricing.
What critics are saying
- September 2026 price cuts to $0.65 and $0.75 signal severe transcription commoditization.
- OpenAI, Deepgram, and AWS bundle speech inside broader platforms, squeezing AssemblyAI margins.
- If voice agents standardize on foundation-model stacks, AssemblyAI becomes a replaceable API layer.
What makes AssemblyAI unique
- Universal-3.5 Pro became flagship on September 2, 2026, with 18-language accuracy.
- AssemblyAI unifies async, streaming, diarization, and Voice Agent API on one platform.
- July 2026 diarization handles per-word speaker attribution and up to 10 live speakers.
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Funding
Total Funding
$113.1M
Meets
Industry Average
Funded Over
5 Rounds
Insight Partners
Accel
Y CombinatorIndustry standards
Benefits
Competitive Salary + Bonus
Equity
401k
100% Remote team
Unlimited PTO
Premium medical, vision, & dental care
$1K budget for your home office setup
New Macbook Pro (or PC if you prefer)
2x/year company paid team retreat
Growth & Insights and Company News
6 month growth
↓ -2%1 year growth
↓ -3%2 year growth
↑ 0%Last month, AssemblyAI, Inc. partnered with developer community hub Dev.to to host a winter hacking challenge!
AssemblyAI has released a comprehensive tutorial on utilizing its API to convert audio and video files into text using JavaScript and Node.js.
Gladia competes with other well-funded companies in the space, such as AssemblyAI, Deepgram and Speechmatics.
AssemblyAI, Inc. recently launched Voice Agents, a new addition to its AI meeting platform that allows users to create customizable conversational agents to handle routine conversations like inbound sales, customer support, candidate screens, and employee surveys-saving users time and providing an instant and engaging experience for end-users.
AssemblyAI launches Postman collection for enhanced API testing.
AssemblyAI is Hiring for 18 Jobs on Simplify!
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About AssemblyAI
Industries
Data & Analytics
Enterprise Software
AI & Machine Learning
Company Size
51-200
Company Stage
Series C
Total Funding
$113.1M
Headquarters
San Francisco, California
Founded
2017
AssemblyAI is Hiring for 18 Jobs on Simplify!
Find jobs on Simplify and start your career today