19.8%
2026-05-03 · Census BTOS · any business function
COUNTRY · US
United States
Model developers, business adoption and shared research infrastructure.
US
284 catalogue entries
Broader Epoch catalogue, including variants; not a complete model census.
3.45% of GDP
All R&D, not AI-only investment.
What this model count includes
284Entries in the broader Epoch catalogue
64Entries with a notability criterion
Same source, year and developer-country attribution. The broader catalogue includes versions and sizes. Neither number is the total number of models developed here.
Models behind the count
Epoch · source snapshotLoading source records…
MODEL DEVELOPMENT
United States in the model-building landscape
Annual notable-model entries · developer country · 2020–2025
International collaborations may appear in multiple countries. Counts are not additive market shares or a national AI-strength ranking.
Loading chartEpoch AI · CC BY 4.0 · Complete years through 2025 · incomplete 2026 excluded
AI across American businesses and work
The size of the business changes the picture
Share using AI in any business function · four-period moving average
Adoption over time
Loading chartSame period, all seven sizes
Loading chartWhich American businesses use AI
% · US nonfarm employer businesses in the stated sectorLoading chartDated firm survey · not comparable with Eurostat
Occasional use and daily habits
% · US workforce represented in the Real-Time Population SurveyLoading chartDaily users are included in weekly and overall use
Workers in analytical services lead
% · US workforce within stated industry represented in RPSLoading chartIndividual workers · not firm-level adoption
Beyond automotive assembly lines
Industrial robotsLoading chartSelected industries · not all installations or AI-only robots
National surveys use different populations and methods. No harmonized Eurostat series is included for this country.
From policy to implementation
Shared AI research infrastructure
600+research teams supported since 2024NAIRR provides shared compute, models and data; NSF also reports over 6,000 students supported.
The foundations around AI
These indicators describe all research and development, not AI-only expenditure or AI’s measured economic impact.
R&D expenditure
3.45% of GDP · all R&D · 2023 · United States
Loading chartComparison uses 2023, the latest common year for this selection. The latest national observation above may be newer.
World Bank WDI / UNESCO Institute for Statistics · % of GDP · all R&DR&D researchers
4,937.49per million people · all R&D · 2022 · United States
Loading chartComparison uses 2017, the latest common year for this selection. The latest national observation above may be newer.
World Bank WDI / UNESCO Institute for Statistics · per million people · all R&DEpoch AI · CC BY 4.0 · Model comparisons stop at 2025; incomplete 2026 is excluded. No forward-filled research observations.
Models connected to United States
Epoch’s notable-model selection · developer country · international projects can appear in multiple countries
Gemini 4 ArgonGoogle DeepMindGPT-6.1 SolOpenAIClaude Sonnet 5.5AnthropicClaude Opus 5.5AnthropicGPT-6 SolOpenAIGPT-6 LunaOpenAIGrok 4.7xAIChatGPT Images 2.5OpenAI
