clickworker records 1,861,149 monthly visits with +0.5% month-over-month growth and Contact for Pricing pricing. Ocular AI records 8,852 monthly visits with +100.6% growth and Freemium, Contact for Pricing pricing.
Crowdsourcing data services for AI training and market data
Turn human expertise into frontier-grade AI training data
| Dimension / Metric | | |
|---|---|---|
| Official Domain | clickworker.com | useocular.com |
| Pricing Model | Contact for Pricing | Freemium, Contact for Pricing |
| Monthly Visits | 1.86M (1,861,149) | 8.85K (8,852) |
| MoM Traffic Delta | +9.57K (+0.5%) | +4.44K (+100.6%) |
| Primary Market & Share | 🇺🇸 United States (27.6%) | 🇺🇸 United States (93.3%) |
| Direct Visits / mo | 947.13K | 3.61K |
| User Rating | 3.9 | 4.2 |
| Supported Platforms | Website | Website |
Crowdsourcing data services for AI training and market data
Custom image, video, audio and text datasets with human labeling, annotation and validation, delivered with parent company LXT.
Registered freelancers in 136 countries fill microtasks through web, Android and iOS apps, with flexible scaling up or down.
An all-in-one survey tool plus access to a verified respondent pool for external studies and targeted insights.
Real-time point-of-sale data collection, display audits, mystery checks, and usability testing for websites, apps and games.
Turn human expertise into frontier-grade AI training data
A purpose-built engine that converts raw expert input — audio, video, text and decisions — into structured training data, alignment signals and evaluation sets at scale.
A global workforce of domain specialists, linguists, researchers and voice actors who generate the human judgment that synthetic data cannot approximate.
Open leaderboards for conversational speech-to-text (WER/CER) and speaker diarization (DER), published with technical reports, datasets and an open-source harness.
Preference data, rewards and task environments plus rubrics so teams can fine-tune and post-train models on realistic, expert-graded behavior.
Offers a high-quality pool of verified human participants for research and preference tuning, but is less focused on traditional data annotation.
Offers a high-quality pool of verified human participants for research and preference tuning, but is less focused on traditional data annotation.
Get paid to train the next generation of AI models
Hire tested AI trainers and data labelers for RLHF, evaluation, and annotation
Hire tested AI trainers and data labelers for RLHF, evaluation, and annotation
Provides enterprise-grade data annotation and training datasets at scale, but with a more corporate engagement model.
SpecialistExpert human data and evaluation for training frontier AI
Free / Open-sourceOpen-source database of AI models, prices and capabilities
Free / Open-sourceOpen-source database of AI models, prices and capabilities
Free / Open-sourceCommunity hub for data science, machine learning and AI practitioners
Free / Open-sourceCommunity hub for data science, machine learning and AI practitioners
SpecialistThe bug bounty platform built for AI and ML security
SpecialistThe bug bounty platform built for AI and ML security
SpecialistOffers powerful AI-assisted data annotation software and managed labeling, but lacks general crowdsourced web surveys and microtasks.
SpecialistOffers powerful AI-assisted data annotation software and managed labeling, but lacks general crowdsourced web surveys and microtasks.
Free / Open-sourceOpen AI research for everyone — datasets, models and tools, free for all
Free / Open-sourceOpen AI research for everyone — datasets, models and tools, free for all
SpecialistHuman-in-the-loop data collection and annotation for AI and ML models
SpecialistHuman-in-the-loop data collection and annotation for AI and ML models
SpecialistMulti-modal human interaction datasets for AI model training
SpecialistMulti-modal human interaction datasets for AI model training
