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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 2011

Companies whose accelerator cohort started in 2011. 256 companies.

clusterConsumer 81 B2B SaaS 55 Developer tools 25 Commerce and marketplaces 23 Fintech 9 Healthcare and bio 6 Security and compliance 6 Data for AI 5 AI infra and compute 4 Vertical AI agents 2 Horizontal AI assistants 1 Other 1 Robotics and physical world 1

sourceY Combinator 105 500 Global 90 Techstars 57 Seedcamp 3 SOSV 1

statusAcquired 151 Active 64 Inactive 37

Company	Cluster	Program	Status	Last signal

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