S

Speak

Application

AI language tutor for personalized language learning.

Total funding$162M

Valuation—

Employees130

Founded2016

HeadquartersSan Francisco, USA

StatusPrivate

Products

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

• Speak Application Sold on its own

  Language-learning app that holds spoken conversations with the learner and corrects their speech.

• Speak for Business Application

  Workplace English programme with role-play scenarios and an admin portal tracking each learner's progress.

Closest alternatives 1

DDuolingoPublic · $7.3BForbes frames Speak's whole business as racing Duolingo, its 'biggest rival', in AI-driven language tutoring, and cites Duolingo's much larger revenue directly against Speak's. Duolingo Max is Duolingo's AI-tutoring product; both it and Speak carry generate-speech-audio.3 of 3 capabilitiesShared product typeSourced competitorCreate synthetic voice and audioCompare

Similar products 70

How this list is ranked ↗

RSRosetta StoneAcquiredSpeak and Rosetta Stone Sapphire do comparable work on education and tutoring and speech to text; Rosetta Stone is acquired, with no independent scale.2 of 3 capabilitiesShared product typeCompareGGranolaPrivate · $1.5BSpeak and Granola do comparable work on speech to text; both also serve buyers who need to turn speech into text; same layer and the same scale band (growth-stage private).1 of 3 capabilitiesShared product typeSame scale bandCompareWFWispr FlowPrivate · $2BSpeak and Wispr Flow Notetaker do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (private).1 of 3 capabilitiesShared product typeCompareDDeepLPrivate · $2BSpeak and DeepL Voice for Conversations do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (private).1 of 3 capabilitiesShared product typeCompareCCerencePublic · $384.9MSpeak for Business and Car Knowledge do comparable work on voice agent; similar scale (public).2 of 3 capabilitiesShared product typeCompareCCrestaPrivate · $1.6BSpeak for Business and Training Simulator do comparable work on education and tutoring; same layer and the same scale band (growth-stage private).2 of 3 capabilitiesShared product typeSame scale bandCompareKKakaoPublic · $16BSpeak and Kanana do comparable work on speech to text; both also serve buyers who need to create synthetic voice and audio and turn speech into text; similar scale (public).1 of 3 capabilitiesShared product typeCompareAAdobePublic · $115.9BSpeak and Adobe Podcast do comparable work on speech to text; both also serve buyers who need to create synthetic voice and audio and turn speech into text; similar scale (public).1 of 3 capabilitiesShared product typeCompareFFathomAcquiredSpeak and Fathom do comparable work on speech to text; both also serve buyers who need to turn speech into text; Fathom is acquired, with no independent scale.1 of 3 capabilitiesShared product typeCompareLLinagoraPrivateSpeak and LinTO do comparable work on speech to text; both also serve buyers who need to turn speech into text; Linagora's scale not recorded.1 of 3 capabilitiesShared product typeCompareNNotionPrivate · $11BSpeak and Notion AI Meeting Notes do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (private).1 of 3 capabilitiesShared product typeCompareAAbridgePrivate · $5.3BSpeak and Abridge do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (private).1 of 3 capabilitiesShared product typeCompareYYandexPublicSpeak and Alice AI do comparable work on voice agent; both also serve buyers who need to create synthetic voice and audio; Yandex's scale not recorded.2 of 3 capabilitiesShared product typeCompareKHKakao HealthcarePrivateSpeak and PASTA do comparable work on speech to text; both also serve buyers who need to turn speech into text; Kakao Healthcare's scale not recorded.1 of 3 capabilitiesShared product typeCompareLLListen LabsPrivate · $100M raisedSpeak for Business and Listen do comparable work on voice agent; same layer and the same scale band (growth-stage private).1 of 3 capabilitiesShared product typeSame scale bandCompareZZoomPublic · $28.7BSpeak and Zoom Revenue Accelerator do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (public).2 of 3 capabilitiesShared product typeCompareTTwilioPublic · $36.5BSpeak and Conversation Relay do comparable work on speech to text and voice agent; both also serve buyers who need to create synthetic voice and audio and turn speech into text; similar scale (public).2 of 3 capabilitiesShared product typeCompareBBridgeMindPrivateSpeak and BridgeVoice do comparable work on speech to text; both also serve buyers who need to turn speech into text; BridgeMind's scale not recorded.1 of 3 capabilitiesShared product typeCompareAAtlassianPublic · $48.2BSpeak for Business and Customer Service Management do comparable work on voice agent; similar scale (public).1 of 3 capabilitiesShared product typeCompareKKrispPrivateSpeak and Krisp do comparable work on speech to text; both also serve buyers who need to create synthetic voice and audio and turn speech into text; Krisp's scale not recorded.1 of 3 capabilitiesShared product typeCompareOOtter.aiPrivateSpeak and OtterPilot do comparable work on speech to text; both also serve buyers who need to turn speech into text; Otter.ai's scale not recorded.1 of 3 capabilitiesShared product typeCompareGGensparkPrivate · $645M raisedSpeak and Speakly do comparable work on speech to text; both also serve buyers who need to turn speech into text; same layer and the same scale band (growth-stage private).1 of 3 capabilitiesShared product typeSame scale bandCompareCCartesiaPrivateSpeak and Sonic / Ink do comparable work on speech to text; both also serve buyers who need to create synthetic voice and audio and turn speech into text; Cartesia's scale not recorded; ships API service rather than the same layer.1 of 3 capabilitiesDifferent layerCompareRRespeecherPrivate · $4M raisedSpeak and Respeecher Voice Marketplace both serve buyers who need to create synthetic voice and audio; similar scale (private).1 of 3 capabilitiesShared product typeCompareSServiceNowPublic · $130.1BSpeak for Business and ServiceNow Otto do comparable work on voice agent; similar scale (public).1 of 3 capabilitiesShared product typeCompareGGenesysPrivateSpeak and Conversational Intelligence do comparable work on speech to text; both also serve buyers who need to turn speech into text; Genesys's scale not recorded.2 of 3 capabilitiesShared product typeCompareZZendeskPrivate · $10.2BSpeak for Business and Zendesk Contact Center do comparable work on voice agent; similar scale (private).1 of 3 capabilitiesShared product typeCompareFRFurhat RoboticsPrivateSpeak and Furhat robot do comparable work on speech to text and voice agent; both also serve buyers who need to create synthetic voice and audio; Furhat Robotics's scale not recorded; ships platform and robot rather than the same layer.2 of 3 capabilitiesDifferent layerCompareSASoundHound AIPublic · $3.1BSpeak and SoundHound Music App do comparable work on voice agent; similar scale (public).1 of 3 capabilitiesShared product typeCompareEEliseAIPrivate · $384M raisedSpeak for Business and AI-Guided Tours do comparable work on voice agent; same layer and the same scale band (growth-stage private).1 of 3 capabilitiesShared product typeSame scale bandCompareFForethoughtPrivate · $115M raisedSpeak for Business and Forethought Voice do comparable work on voice agent; same layer and the same scale band (growth-stage private).1 of 3 capabilitiesShared product typeSame scale bandCompareOOraclePublic · $454.4BSpeak and OCI Speech do comparable work on speech to text; both also serve buyers who need to create synthetic voice and audio and turn speech into text; similar scale (public).2 of 3 capabilitiesShared product typeCompareSESamsung ElectronicsPublic · $1.2TSpeak and Bixby do comparable work on speech to text and voice agent; both also serve buyers who need to create synthetic voice and audio and turn speech into text; similar scale (public).2 of 3 capabilitiesShared product typeCompareEElevenLabsPrivate · $11BSpeak and ElevenCreative both serve buyers who need to create synthetic voice and audio; similar scale (private).2 of 3 capabilitiesShared product typeCompareSSierraPrivate · $15.8BSpeak for Business and Channels do comparable work on voice agent; similar scale (private).1 of 3 capabilitiesShared product typeCompareCCognigyAcquiredSpeak for Business and Cognigy Voice Gateway do comparable work on voice agent; Cognigy is acquired, with no independent scale.1 of 3 capabilitiesShared product typeCompareAApplePublic · $4.6TSpeak and Siri AI do comparable work on voice agent; similar scale (public).1 of 3 capabilitiesShared product typeCompareAAmazonPublic · $2.8TSpeak and Alexa+ do comparable work on voice agent; similar scale (public).2 of 3 capabilitiesShared product typeCompareUUniphorePrivate · $2.5BSpeak and Self-Service Agent do comparable work on speech to text and voice agent; both also serve buyers who need to create synthetic voice and audio and turn speech into text; similar scale (private).2 of 3 capabilitiesShared product typeCompareNCNAVER CloudPrivateSpeak and CLOVA AiCall do comparable work on speech to text and voice agent; both also serve buyers who need to create synthetic voice and audio and turn speech into text; NAVER Cloud's scale not recorded.2 of 3 capabilitiesShared product typeCompareCCaptionsPrivate · $500MSpeak and Captions do comparable work on speech to text; similar scale (private).1 of 3 capabilitiesShared product typeCompareRRunwayPrivate · $5.3BSpeak for Business and Runway Characters do comparable work on voice agent; similar scale (private).1 of 3 capabilitiesShared product typeCompareSASarvam AIPrivate · $275M raisedSpeak for Business and Sarvam Voice Agents do comparable work on voice agent; same layer and the same scale band (growth-stage private).2 of 3 capabilitiesShared product typeSame scale bandCompareMAMistral AIPrivate · $13.8BSpeak and Mistral Speech do comparable work on speech to text and voice agent; both also serve buyers who need to create synthetic voice and audio and turn speech into text; similar scale (private).2 of 3 capabilitiesShared product typeCompareRRingCentralPublic · $2.3BSpeak and AI Conversation Expert (ACE) do comparable work on speech to text; similar scale (public).1 of 3 capabilitiesShared product typeCompareHHaptikAcquired ($112M deal)Speak for Business and Voice AI Agents do comparable work on voice agent; Haptik is acquired, with no independent scale.1 of 3 capabilitiesShared product typeCompareAHAmbience HealthcarePrivate · $1.3BSpeak and Ambience do comparable work on speech to text; same layer and the same scale band (growth-stage private).1 of 3 capabilitiesShared product typeSame scale bandCompareDDeepgramPrivate · $1.3BSpeak and Deepgram Speech-to-Text do comparable work on speech to text and voice agent; both also serve buyers who need to create synthetic voice and audio and turn speech into text; ships API service rather than the same layer.2 of 3 capabilitiesDifferent layerSame scale bandCompareAHAssort HealthPrivate · $1.2BSpeak for Business and Assort Concierge do comparable work on voice agent; ships AI agent rather than the same layer.1 of 3 capabilitiesDifferent layerSame scale bandCompareSSpeechmaticsPrivateSpeak and Voice Agent API do comparable work on speech to text and voice agent; both also serve buyers who need to create synthetic voice and audio and turn speech into text; Speechmatics's scale not recorded; ships API service and developer tool rather than the same layer.2 of 3 capabilitiesDifferent layerCompareCCrescendoPrivate · $500MSpeak for Business and Crescendo Concierge do comparable work on voice agent; similar scale (private); ships AI agent rather than the same layer.1 of 3 capabilitiesDifferent layerCompareFFive9Public · $2.7BSpeak for Business and Five9 Genius AI do comparable work on voice agent; similar scale (public); ships platform rather than the same layer.1 of 3 capabilitiesDifferent layerComparePParloaPrivate · $3BSpeak for Business and Parloa AMP do comparable work on voice agent; similar scale (private); ships AI agent rather than the same layer.1 of 3 capabilitiesDifferent layerCompareSSunoPrivate · $5.4BSpeak and Suno both serve buyers who need to create synthetic voice and audio; similar scale (private).Shared product typeCompareXxAIAcquired ($230B deal)Speak and Grok Voice do comparable work on speech to text and voice agent; both also serve buyers who need to create synthetic voice and audio and turn speech into text; xAI is acquired, with no independent scale.2 of 3 capabilitiesShared product typeCompareSStepFunPrivate · $10BSpeak and 阶跃AI (StepFun AI) do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (private).2 of 3 capabilitiesShared product typeCompareHAHippocratic AIPrivate · $3.5BSpeak for Business and Hippocratic AI Healthcare Agents do comparable work on voice agent; similar scale (private); ships AI agent rather than the same layer.1 of 3 capabilitiesDifferent layerCompareKKuaishouPublic · $18.6BSpeak and CyberCut do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (public).1 of 3 capabilitiesShared product typeCompareRAResemble AIPrivateSpeak for Business and Security Awareness Training do comparable work on voice agent; Resemble AI's scale not recorded.2 of 3 capabilitiesShared product typeCompareCCiscoPublic · $433.3BSpeak and AI Assistant for Webex Contact Center do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (public).2 of 3 capabilitiesShared product typeCompareAAlphabet (Google)Public · $4.2TSpeak and Google Flow Music both serve buyers who need to create synthetic voice and audio; similar scale (public).2 of 3 capabilitiesShared product typeCompareHAHume AIPrivateSpeak and Creator Studio both serve buyers who need to create synthetic voice and audio; Hume AI's scale not recorded.1 of 3 capabilitiesShared product typeCompareWLWellSaid LabsPrivateSpeak and WellSaid Labs voice platform both serve buyers who need to create synthetic voice and audio; WellSaid Labs's scale not recorded.Shared product typeCompareHHeyGenPrivate · $500MSpeak and HeyGen both serve buyers who need to create synthetic voice and audio; similar scale (private).Shared product typeCompareSSynthesiaPrivate · $4BSpeak and Synthesia both serve buyers who need to create synthetic voice and audio; similar scale (private).Shared product typeCompareAAssemblyAIPrivate · $115M raisedSpeak and AssemblyAI Universal Speech-to-Text API do comparable work on speech to text; both also serve buyers who need to turn speech into text; ships API service rather than the same layer.1 of 3 capabilitiesDifferent layerSame scale bandCompareTTencentPublic · $510.1BSpeak and Tencent Cloud ASR do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (public).1 of 3 capabilitiesShared product typeCompareHCHuawei CloudPrivateSpeak and MetaStudio both serve buyers who need to create synthetic voice and audio; Huawei Cloud's scale not recorded.1 of 3 capabilitiesShared product typeCompareFAFireworks AIPrivate · $17.5BSpeak and Fireworks Speech Recognition do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (private); ships API service and model API rather than the same layer.1 of 3 capabilitiesDifferent layerComparePPlayAIPrivateSpeak and Play.ht both serve buyers who need to create synthetic voice and audio; PlayAI's scale not recorded; ships API service rather than the same layer.Different layerCompare

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

Press release · 10 Dec 2024

Speak's own Series C announcement; the $162M cumulative figure is corroborated across independent coverage (StartupHub.ai, Inc.).

Employees

Company disclosure · 27 Aug 2026

"Team of 130 people across offices in San Francisco, Seoul, Tokyo, Taipei, and Ljubljana" on Speak's own careers page, read 2026-08-27. A "+" figure is recorded as its floor. The page carries no date, so this as_of is the day it was read, not the figure's effective date.

Founded

Third-party database · 11 Sep 2026

"Speak was founded by Connor Zwick and Andrew Hsu in 2016..."

Open Speak in the directory

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