Deepgram

Who is Deepgram?

Deepgram is a U.S.-based artificial intelligence company that develops enterprise-grade voice technology. It provides APIs for speech recognition, transcription, and conversational AI used by businesses and developers to build real-time voice applications across industries. Founded in 2015, the company is a leading infrastructure provider for the global Voice AI ecosystem.

Why choose Deepgram?

Deepgram provides speech-to-text, text-to-speech, and voice AI APIs that enable real-time transcription, voice agents, and conversational systems. Its core functions are audio processing and voice intelligence, making it a clear fit for AI audio tools rather than general development or assistant categories.

Key facts

Deepgram sits in the audio intelligence layer, specialising in real-time voice processing, but also overlaps with development platforms via APIs.

1. Founded: 2015
2. Headquarters: San Francisco, California, U.S.
3. CEO & Co-founder: Scott Stephenson
4. Recent valuation: $1.3 billion (Series C, 2026)
5. Major investors: Tiger Global, BlackRock, Twilio, Alkeon, Madrona, Citi Ventures

Technology and products

Deepgram’s platform enables speech-to-text, text-to-speech, and speech-to-speech processing through cloud and on-premises APIs. It uses end-to-end deep learning to deliver low-latency, high-accuracy transcription and natural-sounding voice generation. Core models include Flux for conversational recognition and Aura-2 for expressive text-to-speech synthesis. The technology powers voice analytics, call transcription, and interactive assistants at scale.

Funding and growth

In January 2026, Deepgram raised $130 million in a Series C round led by AVP, valuing the company at $1.3 billion. Previous rounds included investments from Y Combinator, NVIDIA, and In-Q-Tel. The company has processed over one trillion words of audio and serves more than 1,300 enterprise customers and 200,000 developers worldwide.

Strategic initiatives

Deepgram is expanding into applied voice automation, notably through its 2025 acquisition of OfOne to create “Deepgram for Restaurants,” an AI solution for quick-service drive-thrus. It has also partnered with Cloudflare to deploy models on edge networks and continues to grow its patent portfolio in speech recognition and deep learning.

Recognition and culture

Deepgram has been featured on Forbes’ “America’s Best Startup Employers” list (2024) and emphasises a culture that values curiosity, inclusion, and continuous learning. Its mission centres on making “every voice heard and understood,” reflecting its goal to humanise AI communication.