# Pareto.AI

> Pareto.AI is a San Francisco-based, talent-first human data platform that connects AI labs with a deeply vetted network of expert labelers to produce premium training data, RLHF, and evaluation signals. Founded by Thiel Fellow Phoebe Yao, the company started as a bootcamp for women and work-from-home mothers, pivoted into AI data labeling in 2023, and now positions itself as the 'verification layer' for reinforcement learning on real-world expertise, turning specialist judgment into durable reward signals under the banner 'Expert data for AGI.'

- **Founded:** 2020
- **Headquarters:** San Francisco, California, United States
- **Founders:** Phoebe Yao (Founder & CEO)
- **Team size:** ~540 (per data provider records); plus a broader on-demand network of vetted expert labelers
- **Products:** Expert Data Labeling, RLHF (Reinforcement Learning from Human Feedback), Model Evaluation & Verification, Custom Data Projects, Adversarial & Safety Testing
- **Notable:** Founder Phoebe Yao named a Thiel Fellow and to Forbes 30 Under 30., Pivoted from a remote-work bootcamp into AI data labeling in 2023 and secured frontier-lab customers., Reports delivering across 7,500+ projects for 600+ teams.

## Products & services

- **Expert Data Labeling** — Premium AI/LLM training data produced by a deeply vetted network of domain experts across law, healthcare, finance, biomedical research, and engineering.
- **RLHF (Reinforcement Learning from Human Feedback)** — Expert human feedback, side-by-side comparisons, and reward-signal generation used to fine-tune and align large language models.
- **Model Evaluation & Verification** — A 'verification layer' that measures a model's true capability frontier and calibrates tasks to where the model will learn most, turning nondeterministic expert judgment into reward signals.
- **Custom Data Projects** — End-to-end managed projects that break complex tasks into step-by-step workflows and deliver labeled results - reportedly a .csv within 24 hours.
- **Adversarial & Safety Testing** — Adversarial prompt testing, bias detection, content moderation, and safety/ethics evaluation for frontier models.

## Achievements

- Founder Phoebe Yao named a Thiel Fellow and to Forbes 30 Under 30.
- Pivoted from a remote-work bootcamp into AI data labeling in 2023 and secured frontier-lab customers.
- Reports delivering across 7,500+ projects for 600+ teams.
- Positioned as a 'verification layer' for reinforcement learning on real-world expertise.

## Latest updates

- **2023-11** — Phoebe Yao publicly announces Pareto.AI's pivot into AI data labeling.
- **2024-01** — Reports partnerships with Character.AI, Imbue, and researchers at Stanford and UPenn.
- **2025-01** — Repositions around being the 'verification layer' for reinforcement learning on real-world expertise, under the 'Expert data for AGI' banner.

## Links

- Website: https://pareto.ai
- LinkedIn: https://www.linkedin.com/company/hellopareto
- Twitter/X: https://x.com/pareto_ai
- YouTube: https://www.youtube.com/watch?v=jDMFmjdcFjs

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Profile page: https://yespress.io/pareto-ai
Published by YesPress — https://yespress.io
Last updated: 2026-07-03