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14,448 startups · 29 programs

Heptabase

Active · An AI visual knowledge base to understand and create knowledge.

WebsiteYC profile

Why it ranks

How the rank works
9signal of 100 · rising 2
  • team of 10Team size · YC's directory+5.4
  • went through YCProgram · this site+4

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

Competitors

AIWonderingShared: complex topic, visual, knowledgeYC S26San FranciscoStartup →AISliteShared: knowledge baseYC W18BerlinStartup →AIAxisShared: knowledge baseYC W22New York CityStartup →AISage AIShared: knowledge base, complexYC W23San FranciscoStartup →AIArigladShared: knowledge baseYC W23VancouverStartup →
Companies closest to Heptabase
Company
WonderingShared: complex topic, visual, knowledgeYC S26ActiveAI
SliteShared: knowledge baseYC W18ActiveAI
AxisShared: knowledge baseYC W22ActiveAI
Sage AIShared: knowledge base, complexYC W23ActiveAI, Devtools
ArigladShared: knowledge baseYC W23ActiveAI

Adjacent

OtherInactiveStationShared: knowledge baseYC W18ParisStartup →OtherTactiqShared: knowledge baseAntler 2020AustraliaStartup →AISentient OSShared: knowledge base, productivityYC F26San FranciscoStartup →OtherAcquiredCloverShared: note-taking, productivity, visualYC S20NYStartup →AIDraftwiseShared: knowledge base, intelligentYC S20New York CityStartup →
Companies next to Heptabase
Company
StationShared: knowledge baseYC W18InactiveOther
TactiqShared: knowledge baseAntler 2020Not statedOther
Sentient OSShared: knowledge base, productivityYC F26ActiveAI
CloverShared: note-taking, productivity, visualYC S20AcquiredOther
DraftwiseShared: knowledge base, intelligentYC S20ActiveAI

Also from W22 in AI

All of W22
AIAndiAI Search for the Next GenerationYC W22San FranciscoStartup →AIInactiveAvairSenseWe go all out to Build the Smartest AI-Enabled Cameras!YC W22BengaluruStartup →AIBakoolGroup buying for Fresh in Indonesia's tier 2 citiesYC W22JakartaStartup →AIDartThe work and agent management platformYC W22San FranciscoStartup →AIFieldproxyAI-native field service software built around how you workYC W22ChennaiStartup →AIGaussAI agent that helps consumers lower the cost of debt automaticallyYC W22New York CityStartup →
Company
AndiAI Search for the Next Generationteam of 2ActiveAI, Data, Devtools
AvairSenseWe go all out to Build the Smartest AI-Enabled Cameras!team of 14InactiveAI
BakoolGroup buying for Fresh in Indonesia's tier 2 citiesteam of 30ActiveAI
DartThe work and agent management platformteam of 10hiringActiveAI
FieldproxyAI-native field service software built around how you workteam of 15ActiveAI
GaussAI agent that helps consumers lower the cost of debt automaticallyteam of 16hiringActiveAI

About Heptabase

Heptabase is an intelligent, visual knowledge base to understand and create knowledge. It is backed by Y Combinator, HOF Capital, Kleiner Perkins, Moving Capital, Tonic Fund, and other investors, including the founders of Socialcam, Triplebyte, Codementor, and more.

YC batch
W22 · Winter 2022
Status, per YC
Active
Category
AI
Team size
10
Location
Manchester, England, United Kingdom; Remote
Checked
6h ago

YC tags: SaaS, Consumer, Productivity, AI, Note-taking

Changes seen

One-linerNov 9, 2026

Rewrote its one-liner; it read "An intelligent, visual knowledge base for learning complex topics."

Source ↗
TagsOct 19, 2026

Newly tagged AI; no longer tagged Artificial Intelligence.

Source ↗

Heptabase in W22: 398 companies, 45% AI

Heptabase: questions

Which YC batch was Heptabase in?

Heptabase was in Y Combinator's Winter 2022 batch (W22).

Is Heptabase still active?

Y Combinator lists Heptabase as active.

Where is Heptabase based?

Heptabase lists Manchester, England, United Kingdom; Remote as its location on YC's directory.