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Startups14,448Programs29

14,448 startups · 29 programs

Structured Labs

Inactive · The publishing layer for the agentic internet

WebsiteYC profile

Why it ranks

How the rank works
2signal of 100 · rising 1
  • team of 5Team size · YC's directory+4
  • went through YCProgram · this site+4

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

Competitors

AI21stShared: agentic internet, create, developerYC W26San FranciscoStartup →AIExaShared: search, ais, internetYC S21San FranciscoStartup →
Companies closest to Structured Labs
Company
21stShared: agentic internet, create, developerYC W26ActiveAI, Devtools
ExaShared: search, ais, internetYC S21ActiveAI, Data, Devtools

Adjacent

OtherSvbtleShared: publishingYC S12San FranciscoStartup →OtherFabricShared: internet, layerSeedcamp 2022Startup →AIkapa.aiShared: technical knowledge, tutorials, developerYC S23RemoteStartup →AISerafisShared: search, knowledgeYC S25San FranciscoStartup →AIWebhoundShared: search, structured, createYC S23San FranciscoStartup →
Companies next to Structured Labs
Company
SvbtleShared: publishingYC S12ActiveOther
FabricShared: internet, layerSeedcamp 2022Not statedOther
kapa.aiShared: technical knowledge, tutorials, developerYC S23ActiveAI
SerafisShared: search, knowledgeYC S25ActiveAI, Data
WebhoundShared: search, structured, createYC S23ActiveAI, Data

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 →AIInactiveBranch AIAI Overview Search, as a ServiceYC S23SingaporeStartup →AICedanaFast, reliable, reproducible AI with GPU live migrationYC S23New York CityStartup →AIAcquiredChatterDead simple LLM testing and iterationYC S23PhiladelphiaStartup →
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
Branch AIAI Overview Search, as a Serviceteam of 3InactiveAI, Data
CedanaFast, reliable, reproducible AI with GPU live migrationteam of 5hiringActiveAI, Devtools
ChatterDead simple LLM testing and iterationacquiredteam of 2AcquiredAI, Devtools

About Structured Labs

Waldium is an AI-driven platform for researching, writing, and publishing technical knowledge in formats that both humans and AIs can understand. We help developers create technical guides, resources and tutorials, structured, durable knowledge that AIs can learn from, cite, and build upon.

YC batch
S23 · Summer 2023
Status, per YC
Inactive
Category
AI, Data, Developer tools
Team size
5
Location
San Francisco, CA, USA
Checked
6h ago

YC tags: Developer Tools, Search, AI

Changes seen

TagsOct 19, 2026

Newly tagged AI; no longer tagged Artificial Intelligence.

Source ↗

Structured Labs in S23: 220 companies, 78% AI

Structured Labs: questions

Which YC batch was Structured Labs in?

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

Is Structured Labs still active?

Y Combinator lists Structured Labs as inactive.

Where is Structured Labs based?

Structured Labs lists San Francisco, CA, USA as its location on YC's directory.