A

AssemblyAI

Infrastructure

Provides pre-recorded, real-time and streaming speech-to-text APIs that developers integrate directly into voice products.

Total funding$115M

Valuation—

Employees—

Founded2017

CountryUSA

StatusPrivate

Product

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

• AssemblyAI Universal Speech-to-Text API API service

  Pre-recorded, real-time and streaming speech-to-text APIs that developers integrate directly into voice products.

Closest alternatives 2

SSpeechmaticsPrivate1 of 1 capabilityShared product typeSourced competitorTurn speech into textCompareDDeepgramPrivate · $1.3B1 of 1 capabilityShared product typeSourced competitorTurn speech into textCompare

Similar products 45

How this list is ranked ↗

NCNAVER CloudPrivateAssemblyAI Universal Speech-to-Text API and CLOVA Speech do comparable work on speech to text; both also serve buyers who need to turn speech into text; NAVER Cloud's scale not recorded.1 of 1 capabilityShared product typeCompareFAFireworks AIPrivate · $17.5BAssemblyAI Universal Speech-to-Text API 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).1 of 1 capabilityShared product typeCompareHCHuawei CloudPrivateAssemblyAI Universal Speech-to-Text API and Short Sentence Recognition do comparable work on speech to text; both also serve buyers who need to turn speech into text; Huawei Cloud's scale not recorded.1 of 1 capabilityShared product typeCompareBBridgeMindPrivateAssemblyAI Universal Speech-to-Text API 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; ships agent platform and application rather than the same layer.1 of 1 capabilityDifferent layerCompareCCartesiaPrivateAssemblyAI Universal Speech-to-Text API and Sonic / Ink do comparable work on speech to text; both also serve buyers who need to turn speech into text; Cartesia's scale not recorded.1 of 1 capabilityShared product typeCompareRAResemble AIPrivateAssemblyAI Universal Speech-to-Text API and Resemble Intelligence do comparable work on speech to text; both also serve buyers who need to turn speech into text; Resemble AI's scale not recorded.1 of 1 capabilityShared product typeCompareUUniphorePrivate · $2.5BAssemblyAI Universal Speech-to-Text API and Communication Recording Agent do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (private); ships application, data service and 1 more rather than the same layer.1 of 1 capabilityDifferent layerCompareZZoomPublic · $28.7BAssemblyAI Universal Speech-to-Text API and Zoom Scribe API do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (public).1 of 1 capabilityShared product typeCompareTTencentPublic · $510.1BAssemblyAI Universal Speech-to-Text API 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 1 capabilityShared product typeCompareEElevenLabsPrivate · $11BAssemblyAI Universal Speech-to-Text API and Scribe do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (private).1 of 1 capabilityShared product typeCompareIIBMPublic · $216.6BAssemblyAI Universal Speech-to-Text API and IBM Watson Speech to Text do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (public).1 of 1 capabilityShared product typeCompareAAmazonPublic · $2.8TAssemblyAI Universal Speech-to-Text API and Amazon Transcribe do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (public).1 of 1 capabilityShared product typeCompareGGensparkPrivate · $645M raisedAssemblyAI Universal Speech-to-Text API and Speakly do comparable work on speech to text; both also serve buyers who need to turn speech into text; ships AI agent, application and 1 more rather than the same layer.1 of 1 capabilityDifferent layerSame scale bandCompareWFWispr FlowPrivate · $2BAssemblyAI Universal Speech-to-Text API and Wispr Flow Dictation do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (private); ships application rather than the same layer.1 of 1 capabilityDifferent layerCompareAAlphabet (Google)Public · $4.2TAssemblyAI Universal Speech-to-Text API and Cloud Speech-to-Text do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (public).1 of 1 capabilityShared product typeCompareMMicrosoftPublic · $3.7TAssemblyAI Universal Speech-to-Text API and Azure Speech in Foundry Tools do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (public).1 of 1 capabilityShared product typeCompareGGranolaPrivate · $1.5BAssemblyAI Universal Speech-to-Text API and Granola do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (private); ships application rather than the same layer.1 of 1 capabilityDifferent layerCompareOOraclePublic · $454.4BAssemblyAI Universal Speech-to-Text API and OCI Speech do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (public).1 of 1 capabilityShared product typeCompareDDuolingoPublic · $7.3BAssemblyAI Universal Speech-to-Text API and Duolingo English Test do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (public); ships application rather than the same layer.1 of 1 capabilityDifferent layerCompareTTwilioPublic · $36.5BAssemblyAI Universal Speech-to-Text API and Conversation Relay do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (public).1 of 1 capabilityShared product typeCompareYYandexPublicAssemblyAI Universal Speech-to-Text API and Yandex SpeechKit do comparable work on speech to text; both also serve buyers who need to turn speech into text; Yandex's scale not recorded.1 of 1 capabilityShared product typeCompareSASarvam AIPrivate · $275M raisedAssemblyAI Universal Speech-to-Text API and Sarvam Speech to Text do comparable work on speech to text; same layer and the same scale band (growth-stage private).1 of 1 capabilityShared product typeSame scale bandCompareLLinagoraPrivateAssemblyAI Universal Speech-to-Text API 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; ships application rather than the same layer.1 of 1 capabilityDifferent layerCompareAAbridgePrivate · $5.3BAssemblyAI Universal Speech-to-Text API and Abridge do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (private); ships application rather than the same layer.1 of 1 capabilityDifferent layerCompareXxAIAcquired ($230B deal)AssemblyAI Universal Speech-to-Text API and Grok Voice do comparable work on speech to text; both also serve buyers who need to turn speech into text; xAI is acquired, with no independent scale.1 of 1 capabilityShared product typeCompareCCerencePublic · $384.9MAssemblyAI Universal Speech-to-Text API and Cerence Voice Lab do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (public); ships AI agent, application and 2 more rather than the same layer.1 of 1 capabilityDifferent layerCompareOOtter.aiPrivateAssemblyAI Universal Speech-to-Text API 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; ships AI agent and application rather than the same layer.1 of 1 capabilityDifferent layerCompareDDeepLPrivate · $2BAssemblyAI Universal Speech-to-Text API 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); ships application and model API rather than the same layer.1 of 1 capabilityDifferent layerCompareMAMistral AIPrivate · $13.8BAssemblyAI Universal Speech-to-Text API and Mistral Speech do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (private).1 of 1 capabilityShared product typeCompareNNotionPrivate · $11BAssemblyAI Universal Speech-to-Text API 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); ships AI agent and application rather than the same layer.1 of 1 capabilityDifferent layerCompareKKrispPrivateAssemblyAI Universal Speech-to-Text API and Krisp Voice Isolation SDK do comparable work on speech to text; Krisp's scale not recorded; ships application and developer tool rather than the same layer.1 of 1 capabilityDifferent layerCompareFFathomAcquiredAssemblyAI Universal Speech-to-Text API 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; ships application rather than the same layer.1 of 1 capabilityDifferent layerCompareKHKakao HealthcarePrivateAssemblyAI Universal Speech-to-Text API 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; ships application and data service rather than the same layer.1 of 1 capabilityDifferent layerCompareSSpeakPrivate · $162M raisedAssemblyAI Universal Speech-to-Text API and Speak do comparable work on speech to text; both also serve buyers who need to turn speech into text; ships application rather than the same layer.1 of 1 capabilityDifferent layerSame scale bandCompareSESamsung ElectronicsPublic · $1.2TAssemblyAI Universal Speech-to-Text API and Bixby do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (public); ships application, hardware and 1 more rather than the same layer.1 of 1 capabilityDifferent layerCompareAAdobePublic · $115.9BAssemblyAI Universal Speech-to-Text API and Adobe Podcast do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (public).1 of 1 capabilityShared product typeCompareGGenesysPrivateAssemblyAI Universal Speech-to-Text API 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; ships AI agent, agent platform and 3 more rather than the same layer.1 of 1 capabilityDifferent layerCompareVSVerint SystemsAcquiredAssemblyAI Universal Speech-to-Text API and Verint Da Vinci AI and Bots do comparable work on speech to text; both also serve buyers who need to turn speech into text; Verint Systems is acquired, with no independent scale; ships agent platform, application and 2 more rather than the same layer.1 of 1 capabilityDifferent layerCompareKKuaishouPublic · $18.6BAssemblyAI Universal Speech-to-Text API and CyberCut do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (public); ships application, developer tool and 2 more rather than the same layer.1 of 1 capabilityDifferent layerCompareKKakaoPublic · $16BAssemblyAI Universal Speech-to-Text API and Kanana do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (public); ships agent platform and application rather than the same layer.1 of 1 capabilityDifferent layerCompareCCiscoPublic · $433.3BAssemblyAI Universal Speech-to-Text API 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); ships AI agent, application and 1 more rather than the same layer.1 of 1 capabilityDifferent layerCompareOOpenAIPrivate · $852BAssemblyAI Universal Speech-to-Text API and OpenAI API do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (private); ships AI agent, agent platform and 2 more rather than the same layer.1 of 1 capabilityDifferent layerCompareRSRosetta StoneAcquiredAssemblyAI Universal Speech-to-Text API and Rosetta Stone Sapphire do comparable work on speech to text; Rosetta Stone is acquired, with no independent scale; ships application rather than the same layer.1 of 1 capabilityDifferent layerCompareRRingCentralPublic · $2.3BAssemblyAI Universal Speech-to-Text API and AI Conversation Expert (ACE) do comparable work on speech to text; similar scale (public); ships application rather than the same layer.1 of 1 capabilityDifferent layerCompareNNiCEPublic · $6.5BAssemblyAI Universal Speech-to-Text API and CXone do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (public); ships AI agent, agent platform and 2 more rather than the same layer.1 of 1 capabilityDifferent 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

Company disclosure · 3 Dec 2023

"This brings AssemblyAI's total funds raised to $115M -- 90% of which we've raised in the last 22 months," AssemblyAI's own $50M Series C announcement, 2023-12-03.

Founded

Company disclosure · 24 Sep 2026

"Founded in 2017 by Dylan Fox, AssemblyAI has 65 employees based in New York City." A YC company profile is company-disclosure, not third-party-database, per data.md's mintlify ruling.

Public listing

Regulatory filing · 22 Sep 2026

EDGAR company search for 'AssemblyAI' returns no filer; no registered securities.

Description

Company disclosure · 19 Sep 2026

Open AssemblyAI in the directory

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