
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.
BasicAI Cloud records 21,670 monthly visits with -13.1% month-over-month growth and Freemium, Enterprise Quote pricing. Outlier AI records 10,372,036 monthly visits with +7.6% growth and Paid pricing.

AI data annotation platform and managed labeling services for AI training data
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | basic.ai | outlier.ai |
| Pricing Model | Freemium, Enterprise Quote | Paid |
| Monthly Visits | 21.67K (21,670) | 10.37M (10,372,036) |
| MoM Traffic Delta | -3.27K (-13.1%) | +736.51K (+7.6%) |
| Primary Market & Share | 🇺🇸 United States (21.7%) | 🇺🇸 United States (21.6%) |
| Direct Visits / mo | 8.71K | 5.82M |
| User Rating | 4.2 | 3.8 |
| Supported Platforms | Website | Website |

AI data annotation platform and managed labeling services for AI training data
Bounding boxes, polygons, keypoints, semantic segmentation, 3D point cloud cuboids, text/NLP tagging and RLHF dataset creation in one platform.
Automated labeling assistance across images, point clouds and audio reduces manual effort while maintaining accuracy standards.
Project management adapts to your team structure with customizable workflows, progress tracking and detailed performance reporting.
Real-time feedback plus customizable batch QA rules catch issues early and enable targeted human review.

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.
Free / Open-sourceRun and build with open AI models locally or in the cloud
Free / Open-sourceRun and build with open AI models locally or in the cloud
Free / Open-sourceOpen-source model and dataset hub with one-click online demos
Free / Open-sourceOpen-source model and dataset hub with one-click online demos

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.

Free / Open-sourceSelf-hosted AI workspace for local and cloud models
Free / Open-sourceSelf-hosted AI workspace for local and cloud models

Free / Open-sourceReal-time vision AI models and a full platform to train, annotate, and deploy them
Free / Open-sourceReal-time vision AI models and a full platform to train, annotate, and deploy them

The environments frontier AI trains on, and the agents that do the recurring work
The environments frontier AI trains on, and the agents that do the recurring work

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.

AI data infrastructure for building production-grade models
AI data infrastructure for building production-grade models

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.