Market map · United States
AI training data market map: United States
25 AI training data startups based in the United States that have raised money in rounds we track, placed in 3 segments by what each says it does. Together they have raised $424M; the biggest segment is labeling platforms.
Funding by segment
- Labeling platforms$289M11
- Synthetic data$112M9
- Expert and human feedback$22M5
Where they are based
- United States25$424M
United StatesFounded
5 without a founding year on record.
Total raised
- Under $1M6
- $1M to $10M11
- $10M to $50M7
- $50M to $250M1
- $250M to $1B0
- $1B and over0
Each dot is a startup: the year it was founded across, the total it has raised up (each line is ten times the one below). Pick a segment to pick it out.
20 of 25 startups shown; the rest have no founding year or amount on record.
- 1 to 2
- 3 to 7
- 8 to 24
- 25 to 99
- 100 and more
- United States25
Startups by country, 1 country in all.
Segment by segment
Labeling platforms
11 startups · $289M raised
LabelboxLabelbox is a data-centric AI company based in San Francisco, founded in 2018.United States$224M
Centaur LabsCentaur Labs is a medical AI platform that offers medical data labeling services.United States$16M
AlegionAlegion is a technology company based in Austin, Texas, that offers a fully managed AI training data platform and comprehensive seUnited States$16M
Mighty AIMighty AI is a Seattle-based AI platform developer founded in 2014.United States$14M
SapienSapien, also known as Sapien AI Corp., is a decentralized data foundry and Web3 data labeling platform founded in 2023 in San Francisco.United States$8.7M
DatasaurDatasaur is a software company based in the San Francisco Bay Area, founded in 2019 by Ivan Lee.United States$4.0M
besimple AIBesimple AI is a software company founded in 2025 and backed by Y Combinator.United States$3.0M
TranscribeMeTranscribeMe is a global technology company that specializes in high-accuracy speech-to-text transcription, translation, and data United States$1.4M
Synthetic data
9 startups · $112M raised
Tonic.aiTonic.ai is a technology company based in San Francisco, specializing in AI-driven synthetic data solutions.United States$35M
Parallel DomainParallel Domain is a San Francisco-based company founded in 2017 that specializes in synthetic data and sensor simulation for autoUnited States$30M
InvisiblyInvisibly is a technology company based in St.United States$20M
K2ViewK2view Data Platform: AI-ready, protected, complete data instantly.United States$15M
Rendered.aiRendered.ai is a Seattle-based Platform-as-a-Service (PaaS) company founded in 2019.United States$6.0M
SecludyPrivacy-guaranteed synthetic data for training AI modelsUnited States$4.0M
LexsetLexset is an AI company based in Brooklyn, New York, specializing in synthetic data, computer vision, and trusted intelligence systems.United States$1.0M
Loko AISynthetic Data & Computer VisionUnited States$1.0M
Expert and human feedback
5 startups · $22M raised
Human ArchiveHuman Archive builds human data archiving platform with comprehensive dataset for training embodied AI and robotics systems.United States$8.2M
Origin LabOrigin Lab is a technology company based in California that specializes in providing premium, rights-cleared multimodal training dUnited States$8.0M
Pareto AIPareto.AI is a data research partner that specializes in human-centered data collection and expert annotation services for AI companies.United States$4.5M
Feedback IntelligenceFeedback Intelligence is the next-gen RLHF for enterprise LLMs.United States$900K
FixpointFixpoint helps AI training data companies hire the expert humans that create AI training data.United States$500K
How this map is made. Every startup here has raised money in rounds we track, and is based in United States. It joins the map when its sectors, read from its rounds, or the opening of its own description say it works in AI training data, and goes to the first segment whose words it carries. Each segment shows its best-funded first. Rebuilt nightly; updated 15 November 2026.
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