Deepgram vs Soniox

Deepgram — Infrastructure · Private · Late-stage · 3 of 3 figures sourced  |  Soniox — Infrastructure · Private · Undisclosed

Relationship

Deepgram Flux TTS and Soniox Text-to-Speech API both list text to speech; both also serve buyers who need to create synthetic voice and audio; Soniox's scale not recorded.

Assembled from the recorded fields for this pair, not hand-checked. The comparison below is read from each company’s own profile.

3 shared capabilitiesShared product type

3 shared capabilities — Across all their products, both list speech to text, summarization and text to speech.

Ludbee capability tags · every product each company sells

Shared product type — Both ship API service.

Ludbee product records

Aligned comparison

FieldDeepgramSoniox
StageLate-stageUndisclosed
Founded2015—
StatusPrivatePrivate match
CategoryInfrastructureInfrastructure match
Stack layerAPI serviceAPI service, Application
HeadquartersSan Francisco, USAFoster City, USA

Capability overlap

Shared · 3

Speech to textSummarizationText to speech

Not verified for Soniox · 2

Agent orchestrationVoice agent

Recorded for Deepgram. Soniox’s product records say nothing either way — a missing record is not a missing capability.

Not verified for Deepgram · 1

Translation

Recorded for Soniox. Deepgram’s product records say nothing either way — a missing record is not a missing capability.

Products, side by side

Algorithmic pairing — assembled from recorded fields, not hand-checked

Deepgram

API service

Deepgram Audio IntelligenceAPI service

Language-understanding features layered on Deepgram's speech recognition — summarisation, topic and intent detection over conversational audio.

Deepgram Flux TTSAPI service

Deepgram's text-to-speech API, marketed on low latency (responses from about 80ms) and on being deployable in the customer's own environment as well as on Deepgram's cloud.

Deepgram Speech-to-TextAPI service

Speech-to-text API supporting 50+ languages with streaming and batch transcription, speaker identification and smart formatting, alongside companion text-to-speech and voice-agent APIs.

Deepgram Voice Agent APIAPI service

A single API for building real-time voice agents, combining Deepgram's speech-to-text and text-to-speech with LLM orchestration.

Soniox

API service

Soniox Speech Translation APIAPI service

Real-time speech translation API that translates speech one way into a target language, or both ways in a conversation, while people are still speaking, across 60+ languages, for voice agents, live captions and multilingual meetings.

Soniox Speech-to-Text APIAPI service

Speech-to-text API (stt-rt-v5) for real-time and file transcription and speech translation, priced by tokens of audio.

Soniox Text-to-Speech APIAPI service

Soniox Text-to-Speech API generates audio from text through a REST endpoint.

No counterpart

Soniox sells these in a stack layer with no product recorded for Deepgram yet — nothing on the other side to compare them against.

Application

Smart ScribeApplication

Smart Scribe records audio and produces real-time transcriptions.

Soniox AppApplication

Soniox App records, transcribes and translates audio.

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