The most powerful Speech to Text API

Power your apps 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

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Trusted by the world’s top Enterprises, Startups, and Researchers

Speech recognition models

Flexible model options let you pick the best one for the job.

Nova

Unmatched performance and value

Our next-gen model surpasses all competitors in speed, accuracy, and cost. Compared to the nearest competitor, Nova is 22% more accurate, more than 20 times faster, and over 3x cheaper.

Whisper

Improvements you can't miss

Our fully managed Whisper APIs are faster, more reliable, and cheaper than OpenAI's. Includes built-in diarization, word-level timestamps, and an 80x higher file size limit.

Custom

Boost performance using your data

Custom trained speech models give accuracy a noticeable boost, especially on unique customer jargon. High throughput models are also available to meet enterprise scalability requirements.

Setting new benchmarks in ASR performance

All ASR providers strive to have the most accurate transcripts possible, but what about other critical features you require? We advise performing side-by-side comparisons and testing with the real-world audio you'll use in production to determine the best speech solution for your needs.

23%more accurate than Amazon
10xfaster than Amazon
10xcheaper than Amazon
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Amazon
13.6%
289.9s
$0.0240
VS
Word Error Rate
Speed
Cost
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Deepgram
8.4%
29.8s
$0.0043
Word Error Rate (WER) [%] Speed (Median Inference Time [Sec] Per Audio Hour). Lower is better.
23%more accurate than Amazon
10xfaster than Amazon
5.6xcheaper than Amazon

Great, fast, affordable. Pick three.

No tradeoffs required between accuracy, cost, and speed.

Up to 40X faster

Transcribe in real-time or an hour of pre-recorded audio in about 12 seconds.

<300ms latency

The fastest real-time transcription speeds for human-like conversational AI experiences, real-time analytics, and enablement.

30+ languages

Over 30 languages and dialects to choose from, in numerous use case models, and model tiers. We understand the language nuances and needs of our global customers.

>90% accuracy

Deepgram leads the industry with most accurate models in market across use case categories.

Trusted by startups and enterprises

Discover the power of our product through real stories.

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Conversational & transcription intelligence on the world’s best speech AI platform.

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