Featured Resources
Introducing Conformer-1announcements
We've released our new Conformer-1 model for speech recognition. Conformer-1 was trained on 650K hours of audio data and is our most accurate model to date.
How ChatGPT actually worksblog
Since its release, the public has been playing with ChatGPT and seeing what it can do, but how does ChatGPT actually work?
Stable Diffusion 1 vs 2 - What you need to knowblog
Learn where the differences between the two models stem from and what they mean in practice in this simple guide.
API Pricing
Simple billing for companies of all sizes
With our Pay-As-You-Go pricing, you'll always have full transparency over how much you're paying for our services.
Core Transcription
$0.00025
PER SECOND
Access our production-ready AI models that can automatically convert audio files, video files, and live speech into text.
Powered by our new Conformer-1 model
Async transcription
Real-time transcription
Process multiple files & streams in parallel
State-of-the-art accuracy
Billed per second transcribed
Audio Intelligence
$0.000583
PER SECOND
Build with AI models that can summarize speech, extract spoken topics, detect sentiment, and more. Powered by the latest breakthroughs in AI.
Summarization
Sentiment Analysis
Entity Detection
PII Redaction
Content Moderation
Frequently asked questions
Can I sign up for free?
Yes! You can use the API for free on a limited trial. Simply add a credit card to your account at any time to upgrade from the trial.
Do you offer volume discounts?
Absolutely! If you plan to send large volumes of audio and video content through our API, please reach out to us here to see if you qualify for a volume discount.
How fast does it take for audio and video files to process?
Files take around 25% of their duration to process. For example, a 20 minute audio or video file would take 5 minutes to process.
How does billing work?
Great question. Once you add a credit card and deposit funds into your account, your account's funds will be drained as you use the API.
How can I talk to someone?
Feel free to email us at support@assemblyai.com, or click the chat button in the bottom right corner of your browser to chat live with our API Support team!
What languages do you support?
We support over 12 languages and counting, including Global English (English and all of its accents).