Speech to Text API for next-level apps

Convert speech to text with unmatched accuracy, ultra-low latency, and enterprise scalability. Deepgram’s speech-to-text API powers everything from transcription and analytics to real-time, human-like voice agents.

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Trusted by the world’s top Enterprises and Startups

Transcribe in real time. Deploy anywhere. Scale effortlessly.

Lightning-fast transcription that doesn't compromise. Convert your most complex audio to text with best-in-class accuracy in seconds, not minutes.

API-first.

Integrate Nova-3 into your stack in minutes. Transcribe in real-time, or an hour of pre-recorded audio in <12 seconds.

Enterprise-grade security.

Compliant with SOC2, HIPAA, GDPR, and more. Regardless of what's in your speech data - or where it's hosted - Deepgram keeps it secure.

Cloud, on-prem, or VPC.

Your infrastructure, your rules. Flexible deployment options tailored to your infrastructure needs - choose the deployment method for you.

Nova-3 isn’t just an upgrade - it’s a leap forward.

54% accuracy lead over competitors in streaming data.
47% accuracy lead in pre-recorded transcription.
2-5X cheaper than legacy solutions.
Near-zero latency for real-time AI.

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36+ languages and dialects to choose from

Built for a global audience. With more than 36 languages and dialects supported, Deepgram adapts to your users - delivering accurate transcriptions no matter the language or locale.

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Customization At your Fingertips

For years, training a speech AI model meant long development cycles and huge upfront costs. Nova-3 changes everything.

Self-serve customization - Tune the AI to your business without hiring ML engineers & achieve near-perfect understanding of unique terminology out of the box.
New keyterm prompting - Teach Nova-3 industry-specific terms instantly. Boost accuracy for up to 100 key terms.

No more waiting for custom models. No more compromises. Just next-level transcription, instantly.

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AI Speech-to-Text That Thrives in the Real World

Most ASR models break down when faced with messy, real-world conditions. Nova-3 was built for them.

Far-field speech – Even at a distance, Nova-3 delivers. From air traffic control to drive-thrus, get crystal-clear transcripts.
Real-time multilingual conversations – Whether it's 911 dispatch or customer support, Nova-3 detects and transcribes multiple languages instantly.
Hyper-specific industry keywords – Medical transcription, banking, eCommerce? Nova-3 handles it all without custom training.
Number sequences & numeric entities – From patient IDs to credit card transactions, Nova-3 delivers unmatched accuracy.

Powerful Speech-to-Text. All the Features. No limits.

Designed for precision, security, and adaptability, our advanced features optimize transcription accuracy, context awareness, and seamless enterprise integration.

Keyterm Prompting

Instantly improve Keyword Recall Rate (KRR) for important keyterms or phrases up to 90%Learn more in the docs →

Filler Words

Filler Words can help transcribe interruptions in your audio, like "uh" and "um".Learn more in the docs →

Smart Formatting

Smart Format improves readability with punctuation and paragraphs.Learn more in the docs →

Diarization

Diarize detects speaker changes and labels each word in the transcript.Learn more in the docs →

Numerals

Numerals converts written numbers to digits (e.g., "one hundred" to "100").Learn more in the docs →

Redaction

Deepgram's Redaction removes sensitive information from your transcripts.Learn more in the docs →

Build Now, Not Later

Forget long onboarding. Nova-3's intuitive APIs and clear documentation get you coding instantly - so you can launch voice-powered apps today, not months from now.

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Trusted by startups and enterprises

Discover the power of our product through real stories.

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Use Deepgram with your existing tech or on its own—whatever fits your needs. Fill out the form to discover how our leading speech-to-text technology can help scale your products.