Speech to Text that outshines OpenAI Whisper
When it comes to speech-to-text, avoid shortcuts that lead to dead ends. Deepgram is 36% more accurate, up to 5x faster, and has lower TCO than OpenAI Whisper. Find out why innovators are switching from OpenAI Whisper to the most powerful speech-to-text API. Start building with Deepgram today.
Trusted by industry leaders
Why switch from OpenAI Whisper?
Build with enterprise-grade speech recognition that's faster, more accurate, and affordable. No compromises.
Flexible deployment
Choose from self-hosted (on-premise and VPC) or managed service options with seamless integrations for minimal disruption to your workflows.
Custom model training
Deepgram offers tailored ASR models optimized with customer-specific data, ideal for industries with specialized jargon, accents, or unique speech patterns.
Enterprise security
Protect customer data privacy and ensure regulatory compliance with HIPAA-compliant transcription.
Innovation leader in Voice AI
Deepgram's deep learning models are optimized for speech data and trained on diverse datasets, delivering industry-leading performance in pre-recorded and real-time transcription.
Fast and accurate transcription
Deepgram's speech-to-text outshines OpenAI Whisper in both speed and accuracy, with domain-specific use case models (e.g. Nova-2 Medical) and custom training options that will give you a competitive edge.
Go beyond transcription
Build a dynamic full-stack voice agent with Deepgram's Voice AI platform, using speech-to-text, custom LLM, and text-to-speech models. Enjoy optimized performance and low latency with our open-source code.
Raising the bar for ASR performance
All the features. Better performance. Lower cost.
Word Error Rate (WER) [%] Speed (Median Inference Time [Sec] Per Audio Hour). Lower is better.
Comprehensive Voice AI Platform
Voice Agents
A unified voice-to-voice API that enables natural-sounding conversations between humans and machines. With one powerful API, create LLM-powered AI agents that listen, think, and speak with the same intelligence and emotive quality that a person can.
Text to Speech
Generate lightning fast, human-like voices for real-time AI and high throughput applications.
- Quality: Human-like tone, rhythm, and emotion
- Speed: less than 250 ms latency
- Scale: Cost-efficient and optimized for high-throughput applications
Speech to Text
Power your products with world-class speech recognition. Everything developers need to build with confidence and ship faster. Unmatched performance guaranteed:
- Accuracy: 30% lower word error rate (WER)
- Speed: up to 40x faster inference time
- Cost: 3-7x lower price
Switching to Deepgram is easy
Switching to Deepgram is easy
Getting started with Deepgram is easy with our API Playground, detailed guides, and clear documentation. Go ahead. Take it for a spin and get $200 in free credits.
Don’t just take our word for it
Deepgram has been named a G2 Leader in 2025, solidifying its position in the industry and making it a top choice among developers. See why.
Partner with a true voice AI expert
Make the switch today—Book your demo now!