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14,448 startups · 29 programs

Retell AI

Active · Supercharge Your Contact Center Operations with AI Phone Agents

WebsiteYC profile

Why it ranks

How the rank works
15signal of 100 · rising 6
  • team of 50Team size · YC's directory+8.9
  • 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

AIHubtalk AIShared: contact center, voice agentAlchemist Class 40San FranciscoStartup →AICavosShared: contact center, voiceAntler 2024IndonesiaStartup →AILoman AIShared: phone agentAntler 2024USStartup →AIObserve.AIShared: contact center, operation, agentYC W18San FranciscoStartup →AISigmaMind AIShared: contact center, phone, agentYC S22San FranciscoStartup →
Companies closest to Retell AI
Company
Hubtalk AIShared: contact center, voice agentAlchemist Class 40Not statedAI
CavosShared: contact center, voiceAntler 2024Not statedAI
Loman AIShared: phone agentAntler 2024Not statedAI
Observe.AIShared: contact center, operation, agentYC W18ActiveAI
SigmaMind AIShared: contact center, phone, agentYC S22ActiveAI

Adjacent

OtherBirchShared: center operationAI Grant Batch 1Startup →AICallab AIShared: contact center, agent, voiceYC X26San FranciscoStartup →OtherRankMyAppShared: contact centerAlchemist Class 13São PauloStartup →AIsigmaticShared: center operationPlug and PlayUnited StatesStartup →AIProsperShared: phone agent, operation, buildingYC S23New York CityStartup →
Companies next to Retell AI
Company
BirchShared: center operationAI Grant Batch 1Not statedOther
Callab AIShared: contact center, agent, voiceYC X26ActiveAI
RankMyAppShared: contact centerAlchemist Class 13Not statedOther
sigmaticShared: center operationPlug and Play Not statedAI
ProsperShared: phone agent, operation, buildingYC S23ActiveAI

Also from W24 in AI

All of W24
AIInactiveAbelTransforming document review for litigation teamsYC W24San FranciscoStartup →AIAdaptedAI physical therapy for athletesYC W24San FranciscoStartup →AIInactiveAedilicOpen-Source AI-generated image/deepfake detectionYC W24San FranciscoStartup →AIAftercareConversational AI surveys with intelligent follow-up questionsYC W24New York CityStartup →AIAgentic LabsAI system design tools for dev teamsYC W24New York CityStartup →AIAidyMobile app helping people better manage chronic health conditionsYC W24San FranciscoStartup →
Company
AbelTransforming document review for litigation teamsteam of 2InactiveAI
AdaptedAI physical therapy for athletesteam of 2ActiveAI
AedilicOpen-Source AI-generated image/deepfake detectionteam of 2InactiveAI
AftercareConversational AI surveys with intelligent follow-up questionsteam of 3ActiveAI, Data
Agentic LabsAI system design tools for dev teamsteam of 2ActiveAI, Devtools
AidyMobile app helping people better manage chronic health conditionsteam of 2ActiveAI

About Retell AI

The leading platform for building and managing AI voice agents that revolutionize contact center operations.

YC batch
W24 · Winter 2024
Status, per YC
Active
Category
AI
Team size
50
Location
San Francisco, CA, USA
Checked
10h ago

YC tags: AI

Changes seen

TagsOct 19, 2026

No longer tagged Artificial Intelligence.

Source ↗

Retell AI in W24: 248 companies, 84% AI

Retell AI: questions

Which YC batch was Retell AI in?

Retell AI was in Y Combinator's Winter 2024 batch (W24).

Is Retell AI still active?

Y Combinator lists Retell AI as active.

Where is Retell AI based?

Retell AI lists San Francisco, CA, USA as its location on YC's directory.