clickworker records 1,861,149 monthly visits with +0.5% month-over-month growth and Contact for Pricing pricing. Codeaid records 2,647 monthly visits with -36% growth and Freemium pricing.
Crowdsourcing data services for AI training and market data
Coding assessments built for AI and ML engineers
| Dimension / Metric | | |
|---|---|---|
| Official Domain | clickworker.com | codeaid.io |
| Pricing Model | Contact for Pricing | Freemium |
| Monthly Visits | 1.86M (1,861,149) | 2.65K (2,647) |
| MoM Traffic Delta | +9.57K (+0.5%) | -1.49K (-36%) |
| Primary Market & Share | 🇺🇸 United States (27.6%) | 🇺🇸 United States (94.1%) |
| Direct Visits / mo | 947.13K | 1.04K |
| User Rating | 3.9 | 4.1 |
| 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.
Coding assessments built for AI and ML engineers
Challenges are generated per domain rather than pulled from a generic pool, covering deep learning, generative AI, NLP and computer vision alongside traditional ML.
The AI Interviewer helps create tailored assessments from expert-designed templates or from scratch, adjusting difficulty and scope in minutes.
Candidates work in interactive notebooks or containerised environments, so the test reflects how AI work is actually done rather than a whiteboard puzzle.
Submitted work is analysed automatically, with scoring on model accuracy and code quality, producing structured evaluation results.
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.
AI-powered talent marketplace connecting experts with frontier AI work
The agent recruits, you manage talent
Connects subject matter experts for advanced LLM training and prompting, but lacks general microtask crowdsourcing capabilities.
Connects subject matter experts for advanced LLM training and prompting, but lacks general microtask crowdsourcing capabilities.
Specializes in matching AI labs with vetted human experts for RLHF, but offers fewer general data annotation services.
Specializes in matching AI labs with vetted human experts for RLHF, but offers fewer general data annotation services.
Agentic skills intelligence for hiring, developing, and planning talent
Skills-based hiring platform for technical interviews, assessments and live coding
Skills-based hiring platform for technical interviews, assessments and live coding
Provides enterprise-grade data annotation and training datasets at scale, but with a more corporate engagement model.
AI-powered candidate matching inside Arc's vetted remote-talent marketplace
AI-powered candidate matching inside Arc's vetted remote-talent marketplace
Focuses on elite domain experts for complex RLHF and frontier AI evaluation, but lacks casual crowdsourcing tasks.
Focuses on elite domain experts for complex RLHF and frontier AI evaluation, but lacks casual crowdsourcing tasks.
Interviews on demand, AI-driven or expert-led
Job-simulation skill assessments for the AI hiring era
