The best way to build Voice AI apps
Today’s top Voice AI companies rely on AssemblyAI’s speech-to-text and speech understanding models to launch groundbreaking products fast and scale with ease.
Everything you need to build voice apps that outpace the competition
The accuracy and capabilities required to build products that stand out, and the flexibility to scale to millions of users without blinking an eye.
Avoid garbage in, garbage out
Your product experience is only as good as the inputs it’s built on. AssemblyAI’s models lead the industry in accuracy and reliability.
Industry’s lowest Word Error Rate (WER)- Up to 30% less hallucinations than other providers
- Preferred by 73% of end users in unbiased evaluations
Go beyond transcription
Access a full suite of speech understanding capabilities to uncover insights, identify speakers, and build powerful product experiences.
- Correctly identify speakers with advanced diarization capabilities
- Automatically format text and alphanumerics for clearer outputs
- Accurately capture multilingual speech with automatic language detection
Easy to start, even easier to scale
We built AssemblyAI to be the easiest platform on the market for developers to build, ship, and scale on.
- Serving 600M+ inference calls and over 840M API calls per month
- Over 40 terabytes of audio processed daily
- Pay only for what you use and scale to millions of hours without contracts or throttles
We’re not playing around—but you can
Put our AI models to the test in our no-code playground.
The most loved AI apps are built on AssemblyAI
Learn why today’s most innovative companies choose us.
in closed enterprise deals after launching Conversation Intelligence with AssemblyAI
customer win rates after implementing AssemblyAI
free-to-paid conversion rate after implementing AssemblyAI
in call transcription accuracy and 2X increase in customer conversion rate
in customer complaints and support tickets
Unlock the value of voice data
Build what’s next on the platform powering thousands of the industry’s leading of Voice AI apps.
