clickworker records 1,861,149 monthly visits with +0.5% month-over-month growth and Contact for Pricing pricing. Models.dev records 200,451 monthly visits with -3.9% growth and Free pricing.
Crowdsourcing data services for AI training and market data
Open-source database of AI models, prices and capabilities
| Dimension / Metric | | |
|---|---|---|
| Official Domain | clickworker.com | models.dev |
| Pricing Model | Contact for Pricing | Free |
| Monthly Visits | 1.86M (1,861,149) | 200.45K (200,451) |
| MoM Traffic Delta | +9.57K (+0.5%) | -8.17K (-3.9%) |
| Primary Market & Share | 🇺🇸 United States (27.6%) | 🇨🇳 China (23%) |
| Direct Visits / mo | 947.13K | 136.32K |
| User Rating | 3.9 | 4.4 |
| 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.
Open-source database of AI models, prices and capabilities
Every model uses a consistent provider/model format so the same model across providers can be compared directly.
Side-by-side context window, output limit, reasoning, tool calling, structured output, and temperature support.
Input and output prices per million tokens listed alongside release and update dates.
Covers closed flagship APIs and open-weight models from many labs in one sortable catalogue.
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.
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.
Provides enterprise-grade data annotation and training datasets at scale, but with a more corporate engagement model.
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.
SpecialistIncludes model pricing trackers and developer news alongside tools directories, but less focused on raw API specs.
SpecialistIncludes model pricing trackers and developer news alongside tools directories, but less focused on raw API specs.
SpecialistCatalogues and compares AI infrastructure tools and services across categories, but lacks deep per-token pricing tables.
SpecialistCatalogues and compares AI infrastructure tools and services across categories, but lacks deep per-token pricing tables.
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
Delivers custom human-in-the-loop data collection and annotation services, but lacks clickworker's self-serve microtask crowdsourcing portal.
Delivers custom human-in-the-loop data collection and annotation services, but lacks clickworker's self-serve microtask crowdsourcing portal.
SpecialistArchives how various AI models answer identical prompts over time, offering qualitative comparison rather than pricing.
SpecialistArchives how various AI models answer identical prompts over time, offering qualitative comparison rather than pricing.
SpecialistTurn human expertise into frontier-grade AI training data
SpecialistTurn human expertise into frontier-grade AI training data
