CrawlCheck

Vendor website benchmark · category

Data, labeling and synthetic data vendors, measured on their own websites

Website measurement, not a product review. Every figure below is what a crawler received from the vendor’s own homepage and machine files, taken from outside its network.

Annotation, human data and synthetic data suppliers. Their own homepage, measured like any other.

Listed

15

Currently measurable

14

Median website score

79

Categories are editorial and unscored; membership never moves a score. Ungraded vendors sort after measured ones and are never coerced to zero. Score version 28.

VendorWebsite scoreReachReadQuoteFindingsllms.txtEntity mapMeasured
Surge AI surgehq.ai88 C9487824absentabsent2026-10-05 04:17Z
Appen appen.com86 C9083844absentabsent2026-10-06 00:18Z
Prolific prolific.com85 C8881842presentabsent2026-10-06 01:22Z
Labelbox labelbox.com83 C9776714absentabsent2026-10-07 09:18Z
Tonic.ai tonic.ai83 B8777852presentabsent2026-10-05 07:18Z
Sama sama.com81 B8779753absentabsent2026-10-08 12:18Z
Argilla argilla.io79 C9175673absentabsent2026-10-06 00:19Z
Scale AI scale.com79 C9576606absentabsent2026-10-08 12:19Z
Snorkel AI snorkel.ai77 C8270774presentabsent2026-10-05 00:19Z
Cleanlab cleanlab.ai72 C9174462presentabsent2026-10-06 07:18Z
MOSTLY AI mostly.ai69 C9172386absentabsent2026-10-07 18:21Z
Gretel gretel.ai66 D9161373absentabsent2026-10-06 23:18Z
Toloka toloka.ai65 C7974374presentabsent2026-10-05 07:17Z
Amazon Mechanical Turk mturk.com59 D7078253absentabsent2026-10-04 06:17Z
Synthesis AI synthesis.aiMeasurement incomplete — no grade————absentabsent2026-10-05 05:17Z

Compare within this category

Open any two to four of these side by side: /directory/compare/appen/surgehq — slugs in any order resolve to one canonical page.

All categories · API v2 · Snapshots