Physics Expert - Remote AI Model Evaluation
Listing checked September 16, 2026 · pay as published by Mercor
Overview
Mercor pairs physicists with the research groups behind major AI models that need human physics judgment. The listing remains open between projects, so you join one physics pool and Mercor draws from it when a suitable assignment appears. Work spans writing original problems from your specialty, grading model derivations, and testing whether approximations hold in the regime a model claims. Past projects paid $70 to $100 per hour, with project scope and depth setting the exact figure. One signup covers every network you qualify for, and finishing the domain expert interview raises your odds of a match.
What You'll Do6
- 1Write physics problems from your own research area, defining the system, assumptions, regime, and the reference answer that anchors grading for a model attempt.
- 2Grade model-written derivations and numerical answers, checking whether approximations remain valid in the stated regime.
- 3Test limiting cases, units, and scaling in model solutions to confirm the final result survives scrutiny.
- 4Flag answers where a model lands on the correct expression through reasoning that would fail under different assumptions.
- 5Explain your grading decisions in writing so project teams can trace the calls you made.
- 6Raise unclear task instructions or ambiguous project specs instead of guessing.
Requirements5
- 1Graduate degree in physics or a related field, backed by research experience.
- 2Recent hands-on work with derivations and analysis that you can explain in detail.
- 3Clear written communication for grading notes and reasoning explanations.
- 4Comfort with ambiguous tasks and incomplete instructions.
- 5Willingness to flag unclear specs rather than proceed on guesswork.
Who Should Apply
The ideal candidate holds a graduate degree in physics or a related field and has done research-level derivations recent enough to defend each step. You write well because grading model work means explaining why an approximation fails or a limiting case breaks. This role fits physicists who can handle vague prompts and will ask for missing details instead of filling gaps with assumptions. The work suits less those who want a fixed schedule, one long-term project, or tasks that avoid written justification. Candidates often lose fit when their resume lists research topics but shows no personal derivations or analysis, or when they cannot point to recent physics work.
Salary Insight
Past projects have paid $70 to $100 per hour. That range sits near the top for part-time physics evaluation work, and it matches physicists with graduate research experience who can explain derivations and judge model reasoning. Project scope and depth set the exact rate.
Location
Compensation
$70–100/hr
Required Skills
Application Tip
For the short AI interview, practice a two-minute walkthrough of one derivation you did, covering the assumptions and why an approximation holds in that regime.
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Your resume is scanned against this role’s requirements to check qualification fit.
2Screened before the employer sees it
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3Outcome by email
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