Evaluate frontier AI responses on grey-area and policy-sensitive topics (misinformation, political persuasion, self-harm, violence, cyber, biosecurity), apply safety rubrics and write structured feedback. 5+ years in trust and safety, journalism, policy, research or security. US, UK and most of Europe. $60–70/hour.
Generate, structure and evaluate expert ALD and thin-film data for a frontier AI lab building semiconductor and physical-science models: solve hard problems, rate model reasoning, and turn recipes into model-ready data. US-based, 10–40 hours a week, $84/hour.
Full-time W-2 role through Cincinnatus LLC, embedded with a leading AI lab: senior board-certified physicians write golden solutions, instruction specs and clinical benchmarks for frontier models. Hybrid in the Bay Area, 40 hours a week for an initial 6 months, 4+ years post-residency and a US licence. $70–110/hour.
Join a leading AI lab's research team as its accounting and audit specialist: review model outputs for misapplied standards, write instruction specs and golden solutions, and design benchmarks. Needs an active CPA, CA, CIA, CFE or CMA and 4+ years; bookkeeping-only roles do not count. Full-time W-2, hybrid Bay Area, $60–100/hour.
Build enterprise legal evaluation tasks for AI: realistic Fortune 500 scenarios, model-grade reference work and criterion-referenced rubrics. For in-house counsel or AmLaw 100 lawyers with an active bar admission, US-based, 20+ hours a week. $110–150/hour.
Residency-trained physicians in any specialty write grading criteria, evaluate multi-turn clinical dialogues and annotate clinical reasoning for AI systems. Shared pool with several workstreams. US only, 3+ years post-residency, 20 hours a week minimum, $150/hour.
Two to three paid one-hour video interviews with Mercor about how enterprise security work is done and judged, feeding a benchmark for AI cyber defense agents. $125–175/hour, US-based, no prep and nothing to label or submit.
Practising US hospitalists and inpatient internists review H&Ps, progress notes and discharge summaries, and judge AI-written inpatient documentation against what a hospitalist would chart. Needs C1 or better in one of 25 listed languages. 2+ years post-residency, 10 hours a week, a flat $170/hour.
Build and evaluate training data for a frontier lab's materials science models: DFT, AIMD, classical MD, surface and adsorption modeling, reaction energetics. For US-based computational PhDs fluent in VASP, Quantum ESPRESSO, CP2K, LAMMPS or ASE. Long-term, 10–40 hours a week, $84/hour.
Full-time W-2 role (via Cincinnatus LLC) for counsel and senior associates with 8 to 15 years' practice, embedded with a leading AI lab in the Bay Area to review legal model outputs, write golden solutions and build benchmarks. Hybrid, 6-month initial term, $85–120/hour. US bar admission required.
Write point-in-time forecasts on specific swing-state Senate, governor and statewide races, and grade AI political analyses against your own. For state pollsters, campaign analysts and political scientists with live-race experience. US or Canada residents, $150–250/hour.
The top tier of Mercor's embedded legal expert role: a full-time W-2 job (via Cincinnatus LLC) with a leading AI lab in the Bay Area, reviewing legal model outputs, writing golden solutions and building benchmarks. For partners and general counsel. Hybrid, 6-month initial term, $100–150/hour.
A hybrid, Bay Area-based W-2 role embedded with a leading AI lab: senior software engineers vet model outputs, write instruction specs and golden solutions, and build engineering benchmarks. 4+ years, senior-level progression and a CS or engineering degree. 40 hours a week for an initial 6 months, $65–105/hour.
Full-time Bay Area hybrid role with an AI lab's research team: review model reasoning on life sciences tasks, write golden solutions and instruction specs, and design benchmarks. For life sciences PhDs with 4+ years of substantive research experience. W-2 via Cincinnatus, $65–105/hour.
Author AI evaluation tasks from real fire and life safety review work: egress plan checks, sprinkler and alarm review, hazmat control areas, firestop photo verification. For US fire marshals, fire protection engineers and NICET III+ designer-reviewers with 3+ years in the seat. Remote hourly contract at $45–60/hour.
Audit repository-level software engineering benchmark tasks for a frontier AI lab: reference patches, test harnesses, Docker isolation, and signs of answer leakage or reward hacking. For US engineers with 3+ years and real open-source contributor or maintainer history. $70–90/hour.
A full-time W-2 placement at a leading AI lab through Cincinnatus LLC: US-based mechanical engineers vet model outputs, write instruction specs and reference solutions, and build benchmarks. 5+ years in industry and a mechanical engineering degree required. 40 hours a week for an initial 2–3 months, $60–90/hour.
Judge AI-enhanced and upscaled video and stills at pixel level for a leading AI lab's GenAI team: artifacts, noise, aliasing, banding, grain, sharpening. For VFX and rendering supervisors, colorists, DPs, lighting artists and high-end photographers with 5+ years. US, 20 hours a week, $60–90/hour.
Act as ground truth for an AI lab teaching models real enterprise sales work: audit workflows, build golden reference trajectories in a mock sales stack, and refine rubrics. For sellers with around 10 years in enterprise sales. US only, $60–90/hour, placed via Cincinnatus.
Practising US primary care, family medicine or general internal medicine physicians review outpatient notes and judge AI-written documentation against what a PCP would actually chart. Needs C1 or better in one of 25 listed languages. 2+ years post-residency, 10 hours a week, $170–190/hour.
Experimental scientists create and review training data for a frontier lab's materials science models: inorganic synthesis, superconductors, semiconductors and advanced packaging, characterization (XRD, SEM, TEM) and fabrication. PhD, MS or equivalent hands-on experience. US-based, 10–40 hours a week, $84/hour.
Full-time W-2 role through Cincinnatus LLC, embedded with a leading AI lab: senior drug development scientists write golden solutions, instruction specs and benchmarks for pharma R&D reasoning. Hybrid in the Bay Area, 40 hours a week for an initial 6 months. PhD, PharmD or MD with 4+ years in industry R&D. $75–115/hour.
A full-time W-2 role (via Cincinnatus LLC) embedded with a leading AI lab in the Bay Area: review legal model outputs, write instruction specs and golden solutions, and build legal benchmarks. Hybrid, on-site several days a week, 6-month initial term. $60–100/hour; JD, 5+ years' practice, US bar.
Full-time, on-site-hybrid role in the Bay Area: review AI output on business and sales operations tasks, write instruction specs and golden solutions, and build benchmarks with an AI lab's research team. For senior ops leaders with 4+ years. W-2 via Cincinnatus, $60–100/hour.
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