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Human Frontier Collective

Related names: HFC · Scale AI

Scale AI's expert community collaborates with its research teams on domain-specific model training, evaluation and benchmark design.

Applying and requirements

STEM application process differs across pages

Official information

The STEM track seeks PhDs, postdocs and professors. The US application describes rolling review and an interview; a direct invitation states whether the interview applies. The STEM overview also lists a domain challenge. Both pages require a 90-day wait before reconsideration for the same role.

STEM fellowship sources differ on the listed steps. Omission of the challenge from the US application does not establish that it was abolished for every applicant; no screening-pay or acceptance guarantee is established.

Pay

STEM fellowship project rates

Advertised rate

The STEM fellowship overview and linked US application state that project pay varies across platforms according to the project, scope, skills and location. Neither page gives a numeric rate. The US application says pay information is provided with project-matching notifications.

Official pages observed on 12 October 2026. This describes the STEM fellowship and linked US example; it does not establish a universal platform rate, guaranteed earnings or a payout schedule.

Location and access

Access to projects

US STEM fellowship: hours and duration differ across pages

Official information

The US STEM application describes a remote 1099 contractor engagement with no fixed end date and no minimum commitment; fellows choose projects, and it says most spend 10–25 hours per week on a self-set schedule. Full-time US work authorization is required, with no visa sponsorship.

US STEM application, not all HFC roles. The linked STEM overview still gives an estimated six months with possible extension and flexible 10–40-hour weeks. The pages differ; neither establishes guaranteed project availability or a policy-effective date.

Working abroad

Verified country for generative AI projects

Official informationPolicy dated 7 February 2024

The working-location policy requires contributors to work from their verified Primary Country. Moving countries requires contacting support and providing government ID from the new country; accounts may be paused pending verification.

Generative AI projects; policy page dated 7 February 2024.

Sources

Summary sources and related names

Reviewed 2026-09-12.

Related names: HFC · Scale AI

  • 1. scale.com ↗Accessed 2026-09-12
    Source notes

    Introducing the Human Frontier Collective

  • 2. hfc.scale.com ↗Accessed 2026-09-12
    Source notes

    Explore Collective | Human Frontier Collective

  • 3. hfc.scale.com ↗Accessed 2026-09-12
    Source notes

    Opportunities | Human Frontier Collective

  • 4. hfc.scale.com ↗Accessed 2026-09-12
    Source notes

    STEM Fellow | HFC Fellowship | Human Frontier Collective