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  1. Home
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  3. United States
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  5. Foundational AI

United States × Foundational AI

The 70 US-headquartered AI companies in this database, profiled with funding, headcount, and momentum data. In Foundational AI: 11 foundational-AI companies building frontier models, with funding and momentum data.

Browse by Subsectors

AI InfrastructureApplied AIDeveloper ToolsData & AnalyticsGenerative AIHealthcare & BiotechRobotics & AutonomousAI SecurityAgentic AIConversational AI

AAnthropic

Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.

Foundational AIAgentic AIArtificial Intelligence (AI)Foundational AIGenerative AIMachine Learning
Total Funding
$128.7B
Headcount
1001-5000
HQ Country
United States

RAReflection AI

Building frontier open intelligence.

Foundational AIArtificial Intelligence (AI)Foundational AISoftware
Total Funding
$2.1B
Headcount
101-250
Founded
2024
HQ Country
United States

WLWorld Labs

World Labs is a spatial intelligence company, building frontier models that can perceive, generate, and interact with the 3D world.

Foundational AI3D TechnologyArtificial Intelligence (AI)Foundational AIGenerative AIInformation Technology
Total Funding
$1.2B
Headcount
11-50
Founded
2023
HQ Country
United States

PPrometheus

Foundational AIArtificial Intelligence (AI)Foundational AIInformation TechnologyMachine Learning
Total Funding
$18.2B
Headcount
101-250
Founded
2025
HQ Country
United States

XxAI

Foundational AIArtificial Intelligence (AI)Foundational AIGenerative AIInformation TechnologyMachine Learning
Total Funding
$42.9B
Headcount
1001-5000
Founded
2023
HQ Country
United States