The AI Stack
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The directory

Companies

Every company building a layer of the AI stack — searchable, filterable, and cross-referenced against investors and roles.

440Tracked
CompanyLayerPrimary patternStage
AnagramL6 Applications & ProductsSpeculative
AnthropicL4 Models & TrainingClosed-Source FrontierDominant
AnyscaleL5 Orchestration & FrameworksGrowth
AnysphereL6 Applications & ProductsCode Copilots & IDEsDominant
Anysphere (Cursor)L6 Applications & ProductsCode Copilots & IDEsGrowth
Apple SiliconAAPLL1 Silicon & ComputeDominant
Applied IntuitionL6 Applications & ProductsGrowth
ArcadeL6 Applications & ProductsEnterprise Platforms & WorkflowGrowth
Arcee AIL4 Models & TrainingSpeculative
ArgyleL6 Applications & ProductsHR & IdentityGrowth
Arista NetworksANETL1 Silicon & ComputeDominant
Arize AIL5 Orchestration & FrameworksGrowth
AtaccamaL3 Data & StorageGrowth
Augment CodeL6 Applications & ProductsAutonomous Coding AgentsSpeculative
AutoGenMSFTL5 Orchestration & FrameworksMulti-Agent FrameworksSpeculative
AvicenaL1 Silicon & ComputeSpeculative
Ayar LabsL1 Silicon & ComputeGrowth
Base44L6 Applications & ProductsVibe CodingSpeculative
BasetenL4 Models & TrainingSpeculative
BasisL6 Applications & ProductsFinanceSpeculative
Bigspin AIL5 Orchestration & FrameworksSpeculative
Blackstone Inc.BXL0 Physical InfrastructureDominant
Bloom EnergyBEL0 Physical InfrastructureGrowth
Bolt.newL6 Applications & ProductsVibe CodingGrowth
BotsCrewL6 Applications & ProductsAI Support AgentsSpeculative
Showing 2650 of 440