Top accelerator startups

Startups14,448Programs29

14,448 startups · 29 programs

Piramidal

Active · Foundation Models for the Brain

WebsiteYC profile

Why it ranks

How the rank works
11signal of 100 · rising 5
  • team of 10Team size · YC's directory+5.4
  • 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

AIThe Forecasting CompanyShared: foundation modelYC S24ParisStartup →AIOutpost BioShared: foundation modelSeedcamp 2025Startup →AICactus ComputeShared: foundation modelYC S25San FranciscoStartup →AITrimShared: foundation modelYC W25San FranciscoStartup →AIInactiveCreatorMLShared: foundation modelYC W23New York CityStartup →OtherTwelveLabsShared: foundation modelStartup →OtherF13Shared: foundation modelStartup →OtherGeneral IntuitionShared: foundation modelStartup →
Companies closest to Piramidal
Company
The Forecasting CompanyShared: foundation modelYC S24ActiveAI
Outpost BioShared: foundation modelSeedcamp 2025Not statedAI
Cactus ComputeShared: foundation modelYC S25ActiveAI, Devtools
TrimShared: foundation modelYC W25ActiveAI, Devtools
CreatorMLShared: foundation modelYC W23InactiveAI, Data
TwelveLabsnot in a program hereShared: foundation modelElsewhereOther
F13not in a program hereShared: foundation modelElsewhereOther
General Intuitionnot in a program hereShared: foundation modelElsewhereOther

Adjacent

OtherInactiveSpringWitShared: neurotechnology, brainYC S14Startup →AIEnvariantShared: foundation modelYC W26San FranciscoStartup →AIBrainKeyShared: neurotechnology, brainYC W19San FranciscoStartup →AIRanvier SystemsShared: foundation modelSPC 2026New YorkStartup →AIParasmaShared: neurotechnology, brainYC S26San FranciscoStartup →
Companies next to Piramidal
Company
SpringWitShared: neurotechnology, brainYC S14InactiveOther
EnvariantShared: foundation modelYC W26ActiveAI, Devtools
BrainKeyShared: neurotechnology, brainYC W19ActiveAI
Ranvier SystemsShared: foundation modelSPC 2026Not statedAI
ParasmaShared: neurotechnology, brainYC S26ActiveAI, Devtools

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 Piramidal

An API into your mind.

YC batch
W24 · Winter 2024
Status, per YC
Active
Category
AI
Team size
10
Location
New York City, NY, USA
Checked
7h ago

YC tags: Neurotechnology, AI

Changes seen

One-linerOct 26, 2026

Rewrote its one-liner; it read "Foundation Model for the Brain"

Source ↗
TagsOct 19, 2026

Newly tagged AI; no longer tagged Artificial Intelligence.

Source ↗

Piramidal in W24: 248 companies, 84% AI

Piramidal: questions

Which YC batch was Piramidal in?

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

Is Piramidal still active?

Y Combinator lists Piramidal as active.

Where is Piramidal based?

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