Deepgram vs. AssemblyAI
Learn why customers choose AssemblyAI to build powerful speech-to-text products that exceed industry standards.
• Best-in-class Speech AI models
• Unlimited concurrency without extra costs
• Trusted by developers
At a glance: Deepgram vs. AssemblyAI
The most accurate speech-to-text models on the market with top performance rankings across major industry benchmarks.
Feature | AssemblyAI Universal | Deepgram Nova-2 |
|---|---|---|
Word Accuracy Rate | 93.3% | 90.76% |
Word Error Rate (English) | 6.7% | 9.24% |
Proper Nouns (PWER) | 13.87% | 21.14% |
Alphanumerics (WER) | 4.00% | 4.97% |
Text Formatting (U-WER) | 10.06% | 21.14% |
Accented Speech (WER) | 11.05% | 13.26% |
“The customer experience with our previous provider had significant room for improvement—the pricing model wasn't ideal for our needs, we encountered some concurrency constraints, and the customer service response times were longer than we hoped."
Go beyond Deepgram's limits with Assembly's full Speech AI suite.
Transcribe over 99+ languages and counting, including Global English (English and all of its accents).
Detect the number of speakers in your audio file, with each word in the text associated with its speaker.
Automatically detect languages and route to the appropriate model for transcription.
View word-by-word timestamps across the entire transcript text.
Detect and replace profanity in the transcription text with ease.
Automatically add casing and punctuation of proper nouns to the transcription text.
Boost accuracy for vocabulary that is unique or custom to your specific use case or product.
Get a confidence score for each word in the transcript.
Join 200K+ developers building new experiences with voice data
"We have had a phenomenal experience so far. The integration was simple and easy for developers to get started. The accuracy is better than any other tools in the market (and we have tried them all). Highly recommend!"
"Works incredibly well out of the box. Allowed us to focus on product instead of infrastructure. As a result, we were able to bring a transformative new product to market in half the time."
"The accuracy was strong, but the great documentation and unique models like Auto Chapters and Sentiment Analysis is what really won us over."
"Partnering with AssemblyAI has made it easy for us to deliver world-class voice intelligence powered by market-leading speech-to-text technology."
Unlock the value of voice data
Build what’s next on the platform powering thousands of the industry’s leading of Voice AI apps.
