S

Soniox

Foundational speech AI company selling a speech-to-text API, text-to-speech and speech translation, priced per token of audio.

StageUndisclosed

Founded—

HeadquartersFoster City, USA

StatusPrivate

Products

Selected offerings — the AI products recorded here, not the vendor's full catalogue.

• Soniox Speech-to-Text API API service Sold on its own

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

• Soniox App Application Sold on its own

  Soniox App records, transcribes and translates audio.

• Soniox Text-to-Speech API API service Sold on its own

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

Inside Soniox App

• Smart Scribe Application Included with the parent

  Smart Scribe records audio and produces real-time transcriptions.

Inside Soniox Speech-to-Text API

• Soniox Speech Translation API API service Included with the parent

  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.

Similar products 96

No sourced competitor yet: no filing, vendor document or measured-market report read so far names a rival for this company, so none is asserted. The companies below are the closest by what their products do.

How this list is ranked ↗

SSpeechmaticsUndisclosedSoniox Text-to-Speech API and Text to Speech both list text to speech; both also serve buyers who need to create synthetic voice and audio; scale not recorded for either.4 of 4 capabilitiesShared product typeCompareDDeepgramLate-stageSoniox Text-to-Speech API and Deepgram Flux TTS both list text to speech; both also serve buyers who need to create synthetic voice and audio; Soniox's scale not recorded.3 of 4 capabilitiesShared product typeCompareNCNAVER CloudUndisclosedSoniox Text-to-Speech API and CLOVA Voice both list text to speech; both also serve buyers who need to create synthetic voice and audio; scale not recorded for either.4 of 4 capabilitiesShared product typeCompareGGladiaUndisclosedSmart Scribe and GladiaFlow both list speech to text; both also serve buyers who need to turn speech into text; scale not recorded for either.1 of 4 capabilitiesShared product typeCompareAAssemblyAILate-stageSmart Scribe and Blurt both list speech to text; both also serve buyers who need to turn speech into text; scale not recorded for either.4 of 4 capabilitiesShared product typeCompareIiFlytekPublicSoniox App and iFLYTEK AI Interpreta do comparable work on speech to text and translation; both also serve buyers who need to translate content and turn speech into text; scale not recorded for either.3 of 4 capabilitiesShared product typeCompareHAHume AIUndisclosedSoniox Text-to-Speech API and Octave TTS both list text to speech; both also serve buyers who need to create synthetic voice and audio; scale not recorded for either.2 of 4 capabilitiesShared product typeCompareMAMurf AIEarly-stageSoniox Text-to-Speech API and Murf TTS Reader both list text to speech; both also serve buyers who need to create synthetic voice and audio; scale not recorded for either.2 of 4 capabilitiesShared product typeCompareEElevenLabsLate-stageSoniox Text-to-Speech API and ElevenLabs Text to Speech both list text to speech; both also serve buyers who need to create synthetic voice and audio; Soniox's scale not recorded.3 of 4 capabilitiesShared product typeCompareUUniphoreLate-stageSmart Scribe and Communication Recording Agent both list speech to text; both also serve buyers who need to turn speech into text; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareHCHuawei CloudUndisclosedSoniox Text-to-Speech API and Speech Interaction Service both list text to speech; both also serve buyers who need to create synthetic voice and audio; scale not recorded for either.2 of 4 capabilitiesShared product typeCompareFAFireworks AILate-stageSoniox Speech-to-Text API and Fireworks Speech Recognition both list speech to text; both also serve buyers who need to turn speech into text; Soniox's scale not recorded.1 of 4 capabilitiesShared product typeCompareRAResemble AIEarly-stageSoniox Speech-to-Text API and Resemble Intelligence both list speech to text; both also serve buyers who need to turn speech into text; scale not recorded for either.2 of 4 capabilitiesShared product typeCompareWFWispr FlowLate-stageSmart Scribe and Wispr Flow Notetaker do comparable work on speech to text and summarization; both also serve buyers who need to turn speech into text; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareDDeepLLate-stageSmart Scribe and DeepL Voice for Conversations both list speech to text; both also serve buyers who need to turn speech into text; Soniox's scale not recorded.3 of 4 capabilitiesShared product typeCompareRRingCentralPublicSmart Scribe and AVA Supervisor Assist do comparable work on speech to text and summarization; both also serve buyers who need to turn speech into text; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareSSpeechifyUndisclosedSoniox Text-to-Speech API and SpeechifyAI both list text to speech; both also serve buyers who need to create synthetic voice and audio; scale not recorded for either.1 of 4 capabilitiesShared product typeCompareGGensparkLate-stageSmart Scribe and SecondBrain Note do comparable work on speech to text and summarization; both also serve buyers who need to turn speech into text; Soniox's scale not recorded.3 of 4 capabilitiesShared product typeCompareGGranolaLate-stageSmart Scribe and Granola do comparable work on speech to text and summarization; both also serve buyers who need to turn speech into text; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareFFathomAcquiredSmart Scribe and Fathom do comparable work on speech to text and summarization; both also serve buyers who need to turn speech into text; Soniox's scale not recorded; Fathom is acquired, with no independent scale.2 of 4 capabilitiesShared product typeCompareHHiveLate-stageSoniox Speech Translation API and Hive Translation API both list translation; both also serve buyers who need to translate content; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareFFirefliesUndisclosedSmart Scribe and Fireflies Talk both list speech to text; both also serve buyers who need to turn speech into text; scale not recorded for either.2 of 4 capabilitiesShared product typeCompareTTencentPublicSoniox Text-to-Speech API and Tencent Cloud TTS both list text to speech; both also serve buyers who need to create synthetic voice and audio; Soniox's scale not recorded.3 of 4 capabilitiesShared product typeCompareZZoomPublicSmart Scribe and Zoom My Notes do comparable work on speech to text and summarization; both also serve buyers who need to turn speech into text; Soniox's scale not recorded.4 of 4 capabilitiesShared product typeCompareFFlikiUndisclosedSoniox App and Fliki both list translation; both also serve buyers who need to translate content; scale not recorded for either.2 of 4 capabilitiesShared product typeCompareAAlphabet (Google)PublicSoniox Text-to-Speech API and Cloud Text-to-Speech both list text to speech; both also serve buyers who need to create synthetic voice and audio; Soniox's scale not recorded.4 of 4 capabilitiesShared product typeCompareAAmazonPublicSoniox Text-to-Speech API and Amazon Polly both list text to speech; both also serve buyers who need to create synthetic voice and audio; Soniox's scale not recorded.3 of 4 capabilitiesShared product typeCompareIIBMPublicSoniox Text-to-Speech API and IBM Watson Text to Speech both list text to speech; both also serve buyers who need to create synthetic voice and audio; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareBBridgeMindUndisclosedSmart Scribe and BridgeVoice both list speech to text; both also serve buyers who need to turn speech into text; scale not recorded for either.1 of 4 capabilitiesShared product typeCompareIAInworld AIUndisclosedSoniox Text-to-Speech API and Realtime TTS both list text to speech; both also serve buyers who need to create synthetic voice and audio; scale not recorded for either.2 of 4 capabilitiesShared product typeCompareLLinagoraUndisclosedSmart Scribe and LinTO Studio do comparable work on speech to text and summarization; both also serve buyers who need to turn speech into text; scale not recorded for either.2 of 4 capabilitiesShared product typeCompareAAlibabaPublicSoniox Speech Translation API and Alibaba Cloud Machine Translation both list translation; both also serve buyers who need to translate content; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareSASarvam AILate-stageSoniox Text-to-Speech API and Sarvam Text to Speech both list text to speech; Soniox's scale not recorded.3 of 4 capabilitiesShared product typeCompareAAbridgeLate-stageSmart Scribe and Abridge do comparable work on speech to text and summarization; both also serve buyers who need to turn speech into text; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareCCartesiaEarly-stageSoniox Text-to-Speech API and Sonic / Ink both list text to speech; both also serve buyers who need to create synthetic voice and audio; scale not recorded for either.2 of 4 capabilitiesShared product typeCompareSASakana AILate-stageSoniox App and Sakana Translate both list translation; both also serve buyers who need to translate content; Soniox's scale not recorded.1 of 4 capabilitiesShared product typeCompareUUnbabelAcquiredSoniox Speech Translation API and Unbabel LangOps Platform both list translation; both also serve buyers who need to translate content; Soniox's scale not recorded; Unbabel is acquired, with no independent scale.1 of 4 capabilitiesShared product typeCompareBBrightHireEarly-stageSmart Scribe and BrightHire Interview Intelligence do comparable work on speech to text and summarization; both also serve buyers who need to turn speech into text; scale not recorded for either.2 of 4 capabilitiesShared product typeCompareCCaptionsLate-stageSoniox App and Lipdub both list translation; both also serve buyers who need to translate content; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareMMicrosoftPublicSoniox Speech-to-Text API and Azure Translator in Foundry Tools both list translation; Soniox's scale not recorded.4 of 4 capabilitiesShared product typeCompareSTSK TelecomPublicSmart Scribe and A. (Adot) do comparable work on speech to text and summarization; both also serve buyers who need to turn speech into text; scale not recorded for either.2 of 4 capabilitiesShared product typeCompareOOtter.aiUndisclosedSmart Scribe and Otter Meeting Agent both list speech to text; both also serve buyers who need to turn speech into text; scale not recorded for either.1 of 4 capabilitiesShared product typeCompareKKrispUndisclosedSmart Scribe and Krisp do comparable work on speech to text and summarization; both also serve buyers who need to turn speech into text; scale not recorded for either.3 of 4 capabilitiesShared product typeCompareRRimeUndisclosedSoniox Text-to-Speech API and Mist / Coda both list text to speech; both also serve buyers who need to create synthetic voice and audio; scale not recorded for either.1 of 4 capabilitiesShared product typeCompareWLWellSaid LabsUndisclosedSoniox Text-to-Speech API and WellSaid API both list text to speech; both also serve buyers who need to create synthetic voice and audio; scale not recorded for either.1 of 4 capabilitiesShared product typeCompareSStepFunLate-stageSmart Scribe and 阶跃AI (StepFun AI) both list speech to text; both also serve buyers who need to turn speech into text; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareTTwilioPublicSoniox Text-to-Speech API and Conversation Relay both list text to speech; both also serve buyers who need to create synthetic voice and audio; Soniox's scale not recorded.3 of 4 capabilitiesShared product typeCompareDDuolingoPublicSmart Scribe and Duolingo English Test both list speech to text; both also serve buyers who need to turn speech into text; Soniox's scale not recorded.1 of 4 capabilitiesShared product typeCompareAAvomaUndisclosedSmart Scribe and Avoma do comparable work on speech to text and summarization; both also serve buyers who need to turn speech into text; scale not recorded for either.2 of 4 capabilitiesShared product typeCompareKHKakao HealthcareUndisclosedSmart Scribe and PASTA both list speech to text; both also serve buyers who need to turn speech into text; scale not recorded for either.1 of 4 capabilitiesShared product typeCompareYYandexPublicSoniox Text-to-Speech API and Yandex SpeechKit both list text to speech; both also serve buyers who need to create synthetic voice and audio; Soniox's scale not recorded.3 of 4 capabilitiesShared product typeCompareOOraclePublicSoniox Text-to-Speech API and OCI Speech both list text to speech; both also serve buyers who need to create synthetic voice and audio; Soniox's scale not recorded.3 of 4 capabilitiesShared product typeCompareMLMintplex LabsUndisclosedSmart Scribe and Magic Echo both list speech to text; both also serve buyers who need to turn speech into text; scale not recorded for either.3 of 4 capabilitiesShared product typeCompareXxAIAcquiredSoniox Text-to-Speech API and Grok Voice both list text to speech; both also serve buyers who need to create synthetic voice and audio; Soniox's scale not recorded; xAI is acquired, with no independent scale.3 of 4 capabilitiesShared product typeCompareNNotionLate-stageSmart Scribe and Notion AI Meeting Notes both list speech to text; both also serve buyers who need to turn speech into text; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareHHeyGenEarly-stageSoniox Text-to-Speech API and LiveAvatar both list text to speech; Soniox's scale not recorded.3 of 4 capabilitiesShared product typeCompareMAMistral AILate-stageSmart Scribe and Mistral Speech both list speech to text; both also serve buyers who need to turn speech into text; Soniox's scale not recorded.3 of 4 capabilitiesShared product typeCompareSESamsung ElectronicsPublicSmart Scribe and Bixby both list speech to text; both also serve buyers who need to turn speech into text; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareSSpeakLate-stageSmart Scribe and Speak both list speech to text; both also serve buyers who need to turn speech into text; Soniox's scale not recorded.1 of 4 capabilitiesShared product typeCompareAAdobePublicSmart Scribe and Adobe Podcast both list speech to text; both also serve buyers who need to turn speech into text; Soniox's scale not recorded.3 of 4 capabilitiesShared product typeCompareGGenesysUndisclosedSmart Scribe and Conversational Intelligence both list speech to text; both also serve buyers who need to turn speech into text; Soniox's scale not recorded; Genesys's scale not comparable: only a revenue estimate, no market cap or valuation.3 of 4 capabilitiesShared product typeCompareCCiscoPublicSmart Scribe and AI Assistant for Webex Contact Center do comparable work on speech to text and summarization; both also serve buyers who need to turn speech into text; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareTTolokaUndisclosedSoniox App and Tendem both list translation; scale not recorded for either; ships AI agent, data service and 1 more rather than the same layer.1 of 4 capabilitiesDifferent layerCompareCCerencePublicSoniox Text-to-Speech API and Cerence Voice Lab both list text to speech; both also serve buyers who need to create synthetic voice and audio; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareGLGaudio LabEarly-stageSoniox Speech Translation API and Gaudio Dub both list translation; both also serve buyers who need to translate content; scale not recorded for either.2 of 4 capabilitiesShared product typeCompareTATalkio AIUndisclosedSmart Scribe and TalkaType both list speech to text; both also serve buyers who need to turn speech into text; scale not recorded for either.1 of 4 capabilitiesShared product typeCompareOOpenAILate-stageSmart Scribe and ChatGPT for Word both list summarization; Soniox's scale not recorded.3 of 4 capabilitiesShared product typeCompareVSVerint SystemsAcquiredSmart Scribe and Verint Da Vinci AI and Bots do comparable work on speech to text and summarization; both also serve buyers who need to turn speech into text; Soniox's scale not recorded; Verint Systems is acquired, with no independent scale.2 of 4 capabilitiesShared product typeCompareKKuaishouPublicSmart Scribe and CyberCut both list speech to text; both also serve buyers who need to turn speech into text; Soniox's scale not recorded.1 of 4 capabilitiesShared product typeCompareBABland AIEarly-stageSoniox Text-to-Speech API and Bland Speech both list text to speech; both also serve buyers who need to create synthetic voice and audio; scale not recorded for either.1 of 4 capabilitiesShared product typeCompareFRFurhat RoboticsUndisclosedSoniox Text-to-Speech API and Furhat robot both list text to speech; both also serve buyers who need to create synthetic voice and audio; scale not recorded for either; ships platform and robot rather than the same layer.2 of 4 capabilitiesDifferent layerCompareAApplePublicSoniox App and Apple Intelligence do comparable work on summarization and translation; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareQQuillBotAcquiredSoniox App and QuillBot do comparable work on summarization and translation; Soniox's scale not recorded; QuillBot is acquired, with no independent scale.2 of 4 capabilitiesShared product typeCompareSSmartsheetLate-stageSoniox App and Smartsheet AI do comparable work on summarization and translation; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareAHAmbience HealthcareLate-stageSmart Scribe and Ambience do comparable work on speech to text and summarization; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareCCanvaLate-stageSoniox App and Translate both list translation; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareFFreshworksPublicSoniox App and Freddy AI Copilot do comparable work on summarization and translation; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareSSlackUndisclosedSoniox App and Slack AI do comparable work on summarization and translation; scale not recorded for either.2 of 4 capabilitiesShared product typeCompareSASkywork AIUndisclosedSoniox Text-to-Speech API and Mureka API Platform both list text to speech; both also serve buyers who need to create synthetic voice and audio; scale not recorded for either.3 of 4 capabilitiesShared product typeCompareNNiCEPublicSmart Scribe and CXone do comparable work on speech to text and summarization; both also serve buyers who need to turn speech into text; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareNNeuralGarageEarly-stageSoniox App and SyncMonster both list translation; scale not recorded for either.1 of 4 capabilitiesShared product typeCompareAAudioShakeEarly-stageSmart Scribe and AudioShake Studio both list speech to text; scale not recorded for either.1 of 4 capabilitiesShared product typeCompareRRespeecherEarly-stageSoniox Text-to-Speech API and Respeecher Space both list text to speech; both also serve buyers who need to create synthetic voice and audio; scale not recorded for either.1 of 4 capabilitiesShared product typeCompareLLoudlyUndisclosedSoniox Text-to-Speech API and Loudly Music API both serve buyers who need to create synthetic voice and audio; scale not recorded for either.Shared product typeCompareZZ.ai (Zhipu AI)PublicSoniox App and Zhipu Qingyan both list translation; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareBByteDanceUndisclosedSoniox App and Doubao (豆包) both list translation; Soniox's scale not recorded; ByteDance's scale not comparable: only a revenue estimate, no market cap or valuation.2 of 4 capabilitiesShared product typeComparePPipedriveLate-stageSmart Scribe and Pipedrive Nova do comparable work on speech to text and summarization; both also serve buyers who need to turn speech into text; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareAAAleph AlphaLate-stageSoniox App and PhariaAI do comparable work on summarization and translation; scale not recorded for either.2 of 4 capabilitiesShared product typeCompareWWebflowUndisclosedSoniox App and Webflow Localize both list translation; both also serve buyers who need to translate content; scale not recorded for either.1 of 4 capabilitiesShared product typeCompareDDescriptUndisclosedSmart Scribe and Descript Rooms both list speech to text; both also serve buyers who need to turn speech into text; scale not recorded for either.2 of 4 capabilitiesShared product typeCompareMMakeUndisclosedSmart Scribe and Make AI Toolkit both list summarization; scale not recorded for either.1 of 4 capabilitiesShared product typeCompareRRunPodLate-stageSoniox Text-to-Speech API and Public Endpoints both list text to speech; both also serve buyers who need to create synthetic voice and audio; Soniox's scale not recorded; ships developer tool, infrastructure service and 2 more rather than the same layer.1 of 4 capabilitiesDifferent layerComparePPhenomLate-stageSmart Scribe and Phenom Interview Intelligence do comparable work on speech to text and summarization; both also serve buyers who need to turn speech into text; scale not recorded for either.2 of 4 capabilitiesShared product typeCompareIIntelPublicSmart Scribe and OpenVINO AI Plugins for Audacity both list speech to text; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareNNVIDIAPublicSoniox Text-to-Speech API and NVIDIA Broadcast both serve buyers who need to create synthetic voice and audio; Soniox's scale not recorded.2 of 4 capabilitiesShared product typeCompareLlemlistUndisclosedSmart Scribe and Claap do comparable work on speech to text and summarization; both also serve buyers who need to turn speech into text; scale not recorded for either.3 of 4 capabilitiesShared product typeCompare

Closest alternatives are pairs a vendor page itself compares. Similar products are matched from what each product does; nothing in that group is asserted as a rivalry.

Sources

Total funding

Not found · 13 Oct 2026

Pages read for this record (see the other fields' sources) state no funding total.

Valuation

Not found · 13 Oct 2026

Pages read for this record (see the other fields' sources) state no valuation.

Founded

Not found · 13 Oct 2026

Pages read for this record (see the other fields' sources) state no founding year.

Public listing

Not found · 13 Oct 2026

No listing on the pages read; treated as private.

Description

Pricing page · 13 Oct 2026

Pricing page: token-based, "about $0.10/hour for async (file) and $0.12/hour for real-time".

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