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AI ideasWhere AI-native companies are being built Trending 2026Rising clusters, new vocabulary Dead ideasGraveyards founders are re-entering StealthHow many are really in stealth

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Idea LabConcepts written from a cluster's data MapSectors, competencies and business forms

Validate

Idea CheckWho is already building it GapsYC requests against what founders build Public MoneyGrants and SBIR for the same space

Right now

Batch LiveThe YC batch as it fills up

Over time

TrendsCluster shares, new terms, diffusion TrajectoryHalf a year of outcomes per company

Directory

CompaniesEvery company, filtered any way OverlapMulti-program companies, serial founders AI VisibilityAEO scores by cluster and batch

ProfileHow the radar understood you TeamsCo-founder profiles merged into one SessionsGroup voting on ideas

Cohorts of 2012

Companies whose accelerator cohort started in 2012. 376 companies.

clusterConsumer 109 B2B SaaS 75 Commerce and marketplaces 28 Developer tools 25 Fintech 15 Healthcare and bio 13 Robotics and physical world 10 Other 9 Security and compliance 6 Data for AI 4 AI infra and compute 3 Climate and energy 2 Vertical AI agents 2 Defense and space 1 Agent infrastructure 1

sourceY Combinator 149 500 Global 115 Techstars 92 SOSV 11 Seedcamp 9

statusAcquired 177 Active 109 Inactive 66 Public 4

Company	Cluster	Program	Status	Last signal

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