Exceptional data quality starts with
An Exceptional Expert Experience
By proactively nurturing outstanding expert engagement, we minimize turnover and ensure compounding improvements in data quality - resulting in superior outcomes for researchers.
Why top AI builders trust Sepal:
Rigorous Hybrid Vetting
Proprietary AI interviewing collects thousands of data points and distills them into critical signals to identify the top 1% of candidates.
While AI narrows the field, our people close the deal. Hands-on engagement with each expert builds trust, boosts retention, and improves outcomes.
Custom-tailored tests validate knowledge and skills relevant to your project, ensuring each team member contributes to meaningful data improvements.
Unmatched Expert Pool
Leverage the world's largest dataset of high-potential experts to onboard millions of experts tailored exactly to your project's unique requirements.
Access thousands of pre-vetted PhD level experts, ready to start now, in domains where AI has significant potential to create value for society.
Quickly integrate hundreds of specialists into your workflows in just weeks, keeping your research agile and on schedule.
Use Cases
Our experts support advanced methodologies essential to frontier research:
Novel Training Datasets
Reasoning RL environments
Reinforcement Learning with Human Feedback (RLHF)
Direct Preference Optimization (DPO)
Supervised Fine-Tuning (SFT)
Precision Data Labelling
Trusted by Frontier Labs
OpenAI, Anthropic, and other pioneers rely on Sepal to deliver human evaluation signal at the speed of modern release cycles.
Accelerate your Innovation
Partner with Sepal AI to rapidly access elite expertise, streamline your research operations, and accelerate your path to groundbreaking AI solutions.