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14,448 startups · 29 programs

Tempo

Active · Visual Editor for React, powered by AI

WebsiteYC profile

Why it ranks

How the rank works
11signal of 100 · rising 4
  • team of 8Team size · YC's directory+4.9
  • 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

AIOnlookShared: visual editor, design tools, designerYC W25San FranciscoStartup →AIMidrenderShared: visual editor, design tools, poweredYC S23San FranciscoStartup →Developer toolsAcquiredVislyShared: design tool, react, visuallyYC W19RemoteStartup →Developer toolsAcquiredEaselShared: design tool, visual, butYC S12San FranciscoStartup →Developer toolsNoya SoftwareShared: design tool, pms, designerYC W23San FranciscoStartup →
Companies closest to Tempo
Company
OnlookShared: visual editor, design tools, designerYC W25ActiveAI, Devtools
MidrenderShared: visual editor, design tools, poweredYC S23ActiveAI, Devtools
VislyShared: design tool, react, visuallyYC W19AcquiredDevtools
EaselShared: design tool, visual, butYC S12AcquiredDevtools
Noya SoftwareShared: design tool, pms, designerYC W23ActiveDevtools

Adjacent

AIDesignbaseShared: design tool, give, codeYC W23RemoteStartup →Developer toolsProject 10KShared: visual editor500 Global GA 7United StatesStartup →AIAgentic LabsShared: design tool, editor, butYC W24New York CityStartup →AIFlairShared: design toolAI Grant Batch 1Startup →OtherTempoShared: tempoAntler 2023JapanStartup →
Companies next to Tempo
Company
DesignbaseShared: design tool, give, codeYC W23ActiveAI, Devtools
Project 10KShared: visual editor500 Global GA 7Not statedDevtools
Agentic LabsShared: design tool, editor, butYC W24ActiveAI, Devtools
FlairShared: design toolAI Grant Batch 1Not statedAI
TempoShared: tempoAntler 2023Not statedOther

Also from S23 in AI

All of S23
AIInactiveAtlaThe improvement engine for AI agentsYC S23LondonStartup →AIAutomorphicInfuse knowledge into language models with just 10 samplesYC S23San FranciscoStartup →AIBaserunObservability and evaluation platform for LLM apps.YC S23San FranciscoStartup →AICedanaFast, reliable, reproducible AI with GPU live migrationYC S23New York CityStartup →AIAcquiredChatterDead simple LLM testing and iterationYC S23PhiladelphiaStartup →AIInactiveCodeStoryAide is an AI-native , privacy-first IDE built on top of VSCodeYC S23LondonStartup →
Company
AtlaThe improvement engine for AI agentsteam of 10InactiveAI, Data, Devtools
AutomorphicInfuse knowledge into language models with just 10 samplesteam of 3ActiveAI, Devtools
BaserunObservability and evaluation platform for LLM apps.team of 2ActiveAI, Devtools
CedanaFast, reliable, reproducible AI with GPU live migrationteam of 5hiringActiveAI, Devtools
ChatterDead simple LLM testing and iterationacquiredteam of 2AcquiredAI, Devtools
CodeStoryAide is an AI-native , privacy-first IDE built on top of VSCodeteam of 4InactiveAI, Devtools

About Tempo

Tempo is a visual editor for react that gives PMs, designers, and engineers the ability to collaborate visually on code. It offers the familiar UX of a design tool but functions like an IDE under the hood. Tempo is optimized for Vite and Tailwind.

YC batch
S23 · Summer 2023
Status, per YC
Active
Category
AI, Developer tools
Team size
8
Location
Toronto, ON, Canada
Checked
7h ago

YC tags: Developer Tools, B2B, Design Tools, AI

Changes seen

TagsOct 19, 2026

No longer tagged Artificial Intelligence.

Source ↗

Tempo in S23: 220 companies, 78% AI

Tempo: questions

Which YC batch was Tempo in?

Tempo was in Y Combinator's Summer 2023 batch (S23).

Is Tempo still active?

Y Combinator lists Tempo as active.

Where is Tempo based?

Tempo lists Toronto, ON, Canada as its location on YC's directory.