How do their growth rates compare?

Defined.ai has a month-over-month growth rate of -21%; Oak has +36.5%.

How does pricing compare?

Defined.ai: Contact for Pricing. Defined.ai does not publish standard list prices; datasets and services are quoted per project. Teams can browse the marketplace, access free dataset samples and request quotes, with pricing depending on dataset type, customization, volume and delivery method. Oak: Contact for Pricing. Contact for pricing. Oak does not publish public self-serve tiers; pricing is quoted to qualified organizations. The company advertises an Oak Promise (up to 500 free human hours of White Gloves work and all connectors included) available to qualified Fortune 500 enterprises.

What are alternatives to Defined.ai and Oak?

Other tools in related categories include Duck.ai, ModelScope, Roboflow, Bright Data, Labelbox.

Defined.ai vs Oak — Traffic (146.25K vs 21.11K), Pricing & Verdict

Open AI Tools

Defined.ai vs Oak — Traffic (146.25K vs 21.11K), Pricing & Verdict | Open AI Tools

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	Defined.ai	Oak
Official Domain	definedcrowd.com	oak.id
Pricing Model	Contact for Pricing	Contact for Pricing
Monthly Visits	146.25K (146,251)	21.11K (21,112)
MoM Traffic Delta	-38.82K (-21%)	+5.64K (+36.5%)
Primary Market & Share	🇺🇸 United States (20.6%)	🇮🇱 Israel (98.4%)
Direct Visits / mo	84.42K	9.16K
User Rating	4.4	4.2
Supported Platforms	Website	Website

Defined.ai

Enterprise AI training data, annotation and evaluation services

AI Data Marketplace

A large selection of ready-to-use, ethically sourced datasets across audio, image, video, text and multimodal formats, with advanced filtering and free samples.

Data annotation & model-in-the-loop

Expert-verified labeling for text, audio, image and video using model-first, human-in-the-loop workflows for accuracy and fairness.

Machine translation & multilingual data

High-quality multilingual content for global AI systems, drawing on 500+ languages, dialects and locales.

Custom data collection

Global, diverse data collection at scale for training, with privacy and security vetting on every dataset.