
Sepal AI empowers ambitious AI teams to build faster and safer foundational AI models by providing expert-grounded data at every stage of development. They focus on accelerating model iteration and ensuring quality through rigorous vetting and a vast pool of specialized PhD-level experts. Their services include providing novel training datasets, custom benchmarks, pre-launch testing, and agentic applications, all supported by a human-centric approach to AI development. Sepal AI is SOC 2 Certified and is relied upon by top AI labs that prioritize responsible and high-impact AI.

Sepal AI empowers ambitious AI teams to build faster and safer foundational AI models by providing expert-grounded data at every stage of development. They focus on accelerating model iteration and ensuring quality through rigorous vetting and a vast pool of specialized PhD-level experts. Their services include providing novel training datasets, custom benchmarks, pre-launch testing, and agentic applications, all supported by a human-centric approach to AI development. Sepal AI is SOC 2 Certified and is relied upon by top AI labs that prioritize responsible and high-impact AI.
What they do: Expert-grounded training data, RL environments, evaluation tooling, and model fine-tuning for frontier AI labs and enterprises
Headquarters: San Francisco, California, United States
Founders: Fedor Paretsky; Kat Hu
Stage / funding: Pre-Seed; raised a round announced Sep 25, 2024
Security / compliance: SOC 2 Certified
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Training data quality, model evaluation, and safety for large and frontier AI models
2024
Data and Analytics
500000 USD
“Y Combinator (lead/backing investor)”
Sepal is seeking experienced health education professionals to support a structured research initiative focused on defining benchmarks for excellence in health promotion and community health education. Selected contributors will document high-impact projects, outline key competencies, and design realistic evaluation questions.
The role requires 40–100 hours
of total work, with a short, paid trial period (2–4 days)
at the start.
Relevant job titles:
Public Health Educator, Health Promotion Specialist, Community Health Specialist, Health Educator
REQUIRED EXPERIENCE:
-- 4+ years full-time in health education or related public health roles
-- Fluent in English
-- U.S. residency
-- Computer with dependable internet connectivity
-- Proficiency with messaging, video meetings, and file-sharing platforms
-- Strong ability to work independently and meet written guidelines
PAY & LOGISTICS:
-- $40–$75/hour depending on experience
-- Additional performance bonuses
-- Bi-weekly payments
-- No requirement for current field employment