Stack / Training input / sub-layer 8

Human/expert data & labelling

Indicators

Expert-data market run-rate (Mercor)

faster than normalleading70/95

$2.0Bas of 2026-06-30

Venture flow

$16.6M

23-06

$34.7M

24-06

$104M

24-12

$330M

25-12

Primary-round dollars per calendar quarter: Form D amount sold where the entity files, Epoch's press-compiled rounds otherwise. Amendments replace their originals; SPVs, secondaries and debt are excluded.

Entities · 17

Entity	Role	Since	Verified	Latest observation
Appen	primary	—	○ not yet	none
CloudFactory	primary	—	○ not yet	none
Datacurve	primary	—	○ not yet	none
Handshake AI	primary	—	○ not yet	none
iMerit	primary	—	○ not yet	none
Invisible Technologies	primary	—	○ not yet	none
Labelbox	primary	—	○ not yet	none
MercorCIK 0002103986	primary	—	● yes	$2.0B · gross_revenue_run_rate_usd.pt · 2026-07-09
Micro1	primary	—	○ not yet	none
Pareto	primary	—	○ not yet	none
ProlificCIK 0001976659	primary	—	● yes	Form D filed 2023-05-09 (0001976659-23-000001) · filing.pt · 2023-05-09
Sapien	primary	—	○ not yet	none
Scale AI 49% acquired by Meta in June 2025; human-data business continues.	primary	—	○ not yet	none
Snorkel	primary	—	○ not yet	none
Surge AI	primary	—	○ not yet	none
Toloka	primary	—	○ not yet	none
Turing	primary	—	○ not yet	none

Seed lists come from the capture brief and are verified against filings one by one. A name here is not a claim about size or funding until an observation attaches.