Trainwage

All gigs · Expert gigs · checked 2026-11-09

Is Human Frontier Collective (Scale AI) legit?

An official Scale AI program with its own sign-up page on a scale.com subdomain and fellow postings on Scale's careers site. No review source specific to HFC was found. Scale's Trustpilot page has a single unrelated review.

Does it pay? unclear

What you do

PhD-level researchers, professors and senior professionals are matched to projects from Scale's partner labs. They design hard domain problems and datasets to evaluate AI models, build RL environments, and can co-author research papers with Scale's research team.

The details

Pay
Not published
As published: not published (postings say project pay rates vary by project, scope, skillset and location, and pay is shared when you are matched to a project)
Open in
US, GB, CA
Scale's careers page posts separate HFC Fellow roles for the US, UK and Canada. You need work authorization in your country of residence; no visa sponsorship.
Company
Human Frontier Collective, run by Scale AI, Inc. (separate from Outlier and Remotasks)
Backers
Meta took a 49% stake in Scale AI for $14.3B in June 2025, valuing Scale at $29B (Reuters via Business Recorder).

What we couldn’t confirm

A UK posting copied on a third-party job site (jobwebsite.co.uk) shows '$80–$100/hr', but Scale's own UK postings say pay varies, so no figure is recorded. The UK eligibility comes from a posting read through Exa search (scale.com/careers/4620719005 and /4661647005), not plain fetching. The single Trustpilot review for scale.com describes a pay-to-join job offer, which looks like impersonation and is unrelated to HFC. No physical-AI or egocentric contributor sign-up run by Scale itself was found.

Apply on hfc.scale.com →How to spot fake ones

We are not affiliated with Human Frontier Collective (Scale AI). Pay and availability change; confirm on the official site before you start. Never pay to get work.

Sources

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