Headquarters
San Francisco, CAFounded
2015CEO / Founder
Scott StephensonEmployees
201-500Funding
Series C — $86MProducts
1 product listedAvg. AI Score
8.2/10Website
deepgram.com/Profile updated
Deepgram is a speech AI company headquartered in San Francisco, California, founded in 2015 by Scott Stephenson, Noah Shutty, and Adam Sypniewski. The company develops and operates an AI-powered audio intelligence platform, providing APIs for automatic speech recognition (ASR), text-to-speech synthesis, and voice agent functionality.
Deepgram's core products include Nova, its speech-to-text model, and Aura, its text-to-speech model, both accessible via API. The platform is used across industries including contact centers, media transcription, healthcare, and developer tooling. Deepgram competes with offerings from Google, Amazon, and Microsoft in the ASR market, as well as specialized providers such as AssemblyAI and Rev.
The company raised a $47 million Series B round in 2022, led by Goldman Sachs Asset Management, bringing total funding to approximately $86 million. Prior investors include Y Combinator, Tiger Global, and Madrona Venture Group. As of 2024, Deepgram employs roughly 200–300 people.
Dated, source-cited figures. Estimates are marked.
All products by Deepgram reviewed by our AI panel of experts.
Six independent reviewer personalities assessed Deepgram's product on their own terms. They landed within 0.6 points of each other, an unusually strong consensus.
Averaged across 1 reviewed product in our catalog. Scores are out of 10.
Who Deepgram competes with, and how they differ.
Direct competitor in speech-to-text APIs for developers, with similar usage-based pricing and focus on transcription accuracy, speaker diarization, and audio intelligence features.
1 product reviewed on TopReviewedUK-based speech recognition provider competing on transcription accuracy across accents and languages, offered via API and on-premise deployment for enterprise and government customers.
1 product reviewed on TopReviewedPrimarily focused on text-to-speech and voice cloning rather than transcription, overlapping with Deepgram mainly in the voice agent and TTS API segment.
1 product reviewed on TopReviewedNewer entrant building low-latency voice models (TTS and streaming) for real-time voice agents, competing directly with Deepgram's voice agent API offering.
1 product reviewed on TopReviewedFocused on end-to-end voice agent infrastructure for phone calls rather than raw STT/TTS APIs, competing with Deepgram's Voice Agent product specifically.
1 product reviewed on TopReviewedEnterprise cloud provider offering STT/TTS as part of a broader cloud platform, bundled pricing with GCP, competing on scale and integration rather than developer-first API experience.
Key milestones in Deepgram's history, with sources.
Series C — $130M at $1.3B valuation led by AVP
Deepgram raised $130 million in Series C funding at a $1.3 billion valuation, led by AVP with participation from BlackRock, Twilio, ServiceNow Ventures, SAP and Citi Ventures among others.
deepgram.comAcquired OfOne, a restaurant voice AI startup
Alongside its Series C announcement, Deepgram acquired OfOne, an AI voice platform for restaurants and quick-service drive-thrus, launching a new "Deepgram for Restaurants" offering.
deepgram.comVoice Agent API reaches general availability
Deepgram launched general availability of its Voice Agent API, a unified speech-to-text, LLM orchestration and text-to-speech interface for building real-time enterprise voice agents.
businesswire.comAcquired Poised, an AI meeting-coaching startup
Deepgram acquired Poised, maker of the Poised AI Coach real-time communication feedback tool, absorbing its technology, integrations and engineering team.
deepgram.comSeries B extension — $47M led by Madrona
Deepgram raised a $47 million extension to its Series B round, led by Madrona Venture Group with Citi Ventures and Alkeon participating, completing a $72M Series B and bringing total funding to $86 million.
techcrunch.comSeries B — $25M led by Tiger Global
Deepgram raised $25 million in Series B funding led by Tiger Global, with Citi Ventures, Wing VC, SAP.io and Nvidia Inception GPU Ventures participating, bringing total funding to over $38.9 million.
venturebeat.comSeries A — $12M led by Wing VC
Deepgram raised $12 million in Series A funding led by Wing VC, with Nvidia, Y Combinator and SAP.iO participating, bringing total funding to over $13 million.
venturebeat.comDeepgram founded by Scott Stephenson and Noah Shutty
Deepgram was founded in San Francisco by University of Michigan physicists Scott Stephenson and Noah Shutty, later going through Y Combinator.
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