# PublicAI

> PublicAI is a San Francisco-based AI data company that recruits and rewards people to create and verify training data. Its Data Hub has run multilingual voice collection campaigns; its 2026 product Trajector collects eligible real-world AI coding sessions, while the PublicAI Index aggregates outside model benchmarks.

- **Founded:** 2023
- **Headquarters:** San Francisco, United States
- **Founders:** Steven Wong (Co-founder), Kenji Narushima (Co-founder)
- **Products:** PublicAI Data Hub, Mother Tongue, Trajector, PublicAI Index
- **Notable:** Announced $10 million in cumulative funding in June 2025., PublicAI says its Data Hub network reached more than 3.5 million workers., Won the Beyond Borders AI Startup Competition at the 2025 MIT Saudi Business Symposium, according to the company.

## Products & services

- **PublicAI Data Hub** — Marketplace and workflow for collecting, annotating and validating multimodal training data with a distributed contributor network.
- **Mother Tongue** — Data Hub campaign that pays eligible contributors for verified recordings of native-language speech.
- **Trajector** — Opt-in tool for collecting and rewarding accepted AI coding-agent sessions from code contributors own or eligible open-source projects.
- **PublicAI Index** — Public model comparison index that normalizes scores from external leaderboards and offers an API and MCP interface.

## Achievements

- Announced $10 million in cumulative funding in June 2025.
- PublicAI says its Data Hub network reached more than 3.5 million workers.
- Won the Beyond Borders AI Startup Competition at the 2025 MIT Saudi Business Symposium, according to the company.
- Released Trajector and the PublicAI Index in 2026.

## Latest updates

- **2026-09** — Launched the PublicAI Index and added a Decisions category covering routing, classification and calibration.
- **2026-08** — Introduced Trajector as a new network for collecting real coding trajectories.
- **2026-02** — Launched its Human Loop contributor campaign.

## Links

- Website: https://publicai.io/
- LinkedIn: https://www.linkedin.com/company/publicai01/
- Twitter/X: https://x.com/PublicAI_
- GitHub: https://github.com/PublicAI01

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Profile page: https://yespress.io/publicai
Published by YesPress — https://yespress.io
Last updated: 2026-09-30