
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.
devActivity records 46,541 monthly visits with +14% month-over-month growth and Freemium pricing. Outlier AI records 10,372,036 monthly visits with +7.6% growth and Paid pricing.

GitHub-native analytics for developer experience and team performance
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | devactivity.com | outlier.ai |
| Pricing Model | Freemium | Paid |
| Monthly Visits | 46.54K (46,541) | 10.37M (10,372,036) |
| MoM Traffic Delta | +5.72K (+14%) | +736.51K (+7.6%) |
| Primary Market & Share | 🇺🇸 United States (16.5%) | 🇺🇸 United States (21.6%) |
| Direct Visits / mo | 18.68K | 5.82M |
| User Rating | 4.2 | 3.8 |
| Supported Platforms | Website | Website |

GitHub-native analytics for developer experience and team performance
Measure commit, pull request, review and issue activity alongside how carefully contributions are reviewed and merged.
Generate retrospective talking points and recommendations from real engineering activity in a couple of clicks.
Surface slowdowns in the delivery pipeline before they become recurring schedule problems.
XP, levels, challenges, achievements and leaderboards turn process improvement into something teams can rally around.

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.

SpecialistAI-generated wikis and chat for any public GitHub repository
SpecialistAI-generated wikis and chat for any public GitHub repository

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.
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.

Free / Open-sourceAI-native data orchestration for trustworthy pipelines

Free / Open-sourceFree real-time analytics for open source projects on GitHub
Free / Open-sourceFree real-time analytics for open source projects on GitHub

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.