Models.dev records 200,451 monthly visits with -3.9% month-over-month growth and Free pricing. Outlier AI records 10,372,036 monthly visits with +7.6% growth and Paid pricing.
Open-source database of AI models, prices and capabilities
Get paid to train the next generation of AI models
| Dimension / Metric | | |
|---|---|---|
| Official Domain | models.dev | outlier.ai |
| Pricing Model | Free | Paid |
| Monthly Visits | 200.45K (200,451) | 10.37M (10,372,036) |
| MoM Traffic Delta | -8.17K (-3.9%) | +736.51K (+7.6%) |
| Primary Market & Share | 🇨🇳 China (23%) | 🇺🇸 United States (21.6%) |
| Direct Visits / mo | 136.32K | 5.82M |
| User Rating | 4.4 | 3.8 |
| Supported Platforms | Website | Website |
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.
Get paid to train the next generation of AI models
After skill screening, contributors are matched to projects that fit their domain, from coding and math to linguistics and medicine.
No minimum hours and fully remote work, so experts can fit tasks around study, research or a primary job.
Typical work includes writing hard prompts, producing grading rubrics, ranking competing answers and reviewing model reasoning.
Contributors are paid for approved work each week, with rewards that scale with the quality of their output.
Matches vetted domain experts with remote AI training and engineering roles using AI-driven vetting.
Matches vetted domain experts with remote AI training and engineering roles using AI-driven vetting.
Offers crowdsourced data collection and annotation services, operating on a broader task-based crowdsourcing model.
Offers crowdsourced data collection and annotation services, operating on a broader task-based crowdsourcing model.
Connects AI research labs with human subject matter experts for specialized evaluation and data annotation tasks.
Connects AI research labs with human subject matter experts for specialized evaluation and data annotation tasks.
Established enterprise data annotation provider offering large-scale human validation and alignment services for AI models.
SpecialistHosts AI hackathons and community building events rather than freelance data annotation work.
SpecialistHosts AI hackathons and community building events rather than freelance data annotation work.
Provides enterprise-grade human data and RLHF evaluation, connecting expert annotators with leading AI labs.
Provides enterprise-grade human data and RLHF evaluation, connecting expert annotators with leading AI labs.
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.
Free / Open-sourceLarge open community hub for data science and machine learning practitioners to collaborate and network.
Free / Open-sourceLarge open community hub for data science and machine learning practitioners to collaborate and network.
SpecialistProvides custom enterprise AI consulting and development services rather than crowd-sourced annotation tasks.
SpecialistProvides custom enterprise AI consulting and development services rather than crowd-sourced annotation tasks.
SpecialistFocuses on security challenges and bug bounties for AI models and libraries instead of general data labeling.
SpecialistFocuses on security challenges and bug bounties for AI models and libraries instead of general data labeling.
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.
SpecialistTalent marketplace connecting companies with vetted applied AI professionals rather than task-based annotators.
SpecialistTalent marketplace connecting companies with vetted applied AI professionals rather than task-based annotators.
