Tiered reputation
Gold reviewers unlock harder tasks and better rates. Sandboxed onboarding protects production datasets from noisy first touches.
Human signalComing soon
Evaluation work that compounds.
High-skill labeling and review for teams building real products. Tasks are routed by domain expertise, with quality signals that build over time.
Dedicated product site
annotate.4stax.comThis product has a dedicated site. If it is not live yet, join the waitlist for updates.
- Today
Specialization lanes
Code, medical, legal, and education tracks so tasks match how you actually work, not generic crowdsourcing buckets.
- Moat
Vault-integrated gigs
Annotators can be data contributors too: vertical integration between what you own and what you label is deliberately rare.
- Fair
Reputation that transfers
Tiered quality unlocks harder tasks and better rates. Sandboxes protect production datasets during onboarding.
Instructions that travel
Rubrics and edge-case notes attach to tasks so downstream models inherit human judgment, not one-off comments in a spreadsheet.
Fair attribution
Contributions can be cited in model cards where programs allow, including an optional public portfolio for career leverage.