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Startups14,448Programs29

14,448 startups · 29 programs

AssemblyAI

Active · The best way to build Voice AI apps

WebsiteYC profile

Why it ranks

How the rank works
15signal of 100 · rising 2
  • team of 65Team size · YC's directory+9.4
  • went through YCProgram · this site+4
  • hiringHiring · Titles (titles.fru.dev), YC+2

A sum of public facts, not a judgement and not investment advice.

Competitors

AIAcquiredPlayAIShared: api, speech, voiceYC W23San FranciscoStartup →AIAcquiredSpeechlyShared: speech recognition, understandingYC W22HelsinkiStartup →AISpekoShared: speech, voice, textYC S26San FranciscoStartup →AIAcquiredEzDubsShared: api, speech, voiceYC W23San FranciscoStartup →AIUplift AIShared: speech recognition, voice, modelYC S25San FranciscoStartup →OtherFish AudioShared: speech, voice, textStartup →
Companies closest to AssemblyAI
Company
PlayAIShared: api, speech, voiceYC W23AcquiredAI, Devtools
SpeechlyShared: speech recognition, understandingYC W22 +1AcquiredAI, Devtools
SpekoShared: speech, voice, textYC S26ActiveAI, Devtools
EzDubsShared: api, speech, voiceYC W23AcquiredAI, Devtools
Uplift AIShared: speech recognition, voice, modelYC S25ActiveAI
Fish Audionot in a program hereShared: speech, voice, textElsewhereOther

Adjacent

OtherAuricleShared: speech understandingYC W21San FranciscoStartup →AIVapiShared: voiceYC W21San FranciscoStartup →AIFreyaShared: voiceYC S25IstanbulStartup →AIBoldVoiceShared: speech recognitionYC S21New York CityStartup →Developer toolsAcquiredDyteShared: api, launch, infrastructureYC W21BengaluruStartup →
Companies next to AssemblyAI
Company
AuricleShared: speech understandingYC W21ActiveOther
VapiShared: voiceYC W21 +1ActiveAI, Devtools
FreyaShared: voiceYC S25ActiveAI
BoldVoiceShared: speech recognitionYC S21ActiveAI
DyteShared: api, launch, infrastructureYC W21AcquiredDevtools

Also from S17 in AI

All of S17
AI10 By 1010by10 is a unique marketplace in the recruiting agency industry for…YC S17San FranciscoStartup →AICairns HealthYour voice. Your health. We care.YC S17San FranciscoStartup →AIInactiveCambridge Cancer GenomicsCCG.ai empowers clinicians to make personalised treatment strategies…YC S17CambridgeStartup →AICandidatelyThe digital storefront for staffing and recruiting teams.YC S17New York CityStartup →AIInactiveCommissary Club (formerly 70 Million Jobs)First agentic AI-powered community for 1 billion people with criminal…YC S17MiamiStartup →AID-IDEnable creators and developers to generate realistic AI personasYC S17Tel Aviv-YafoStartup →
Company
10 By 1010by10 is a unique marketplace in the recruiting agency industry for…team of 5ActiveAI
Cairns HealthYour voice. Your health. We care.team of 17ActiveAI
Cambridge Cancer GenomicsCCG.ai empowers clinicians to make personalised treatment strategies…team of 25InactiveAI
CandidatelyThe digital storefront for staffing and recruiting teams.team of 9ActiveAI
Commissary Club (formerly 70 Million Jobs)First agentic AI-powered community for 1 billion people with criminal…team of 2InactiveAI
D-IDEnable creators and developers to generate realistic AI personasteam of 27hiringActiveAI

About AssemblyAI

Today’s top Voice AI companies rely on AssemblyAI’s speech-to-text and speech understanding models to launch groundbreaking products fast and to scale with ease.

YC batch
S17 · Summer 2017
Status, per YC
Active
Category
AI, Developer tools
Team size
65
Location
New York City, NY, USA; Remote
Checked
6h ago

YC tags: Developer Tools, Speech Recognition, API, AI

Changes seen

TagsOct 19, 2026

No longer tagged Artificial Intelligence.

Source ↗

AssemblyAI in S17: 125 companies, 27% AI

Company profileawardsleadersboardPaydayssocials

AssemblyAI: questions

Which YC batch was AssemblyAI in?

AssemblyAI was in Y Combinator's Summer 2017 batch (S17).

Is AssemblyAI still active?

Y Combinator lists AssemblyAI as active.

Where is AssemblyAI based?

AssemblyAI lists New York City, NY, USA; Remote as its location on YC's directory.