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How much does Mercor actually pay AI evaluators in 2026
Realistic hourly rates on Mercor for developers and domain experts, what drives the range, and how the rate climbs over time.
Published
Mercor pays per hour of evaluation work. Listed rates typically run from about 60 to over 100 USD/hour (Mercor reports an average contracted rate of about 100 USD/hour), but actual earnings depend on your domain, your quality rating, and how much work you can sustain.
The realistic starting range
New evaluators in software engineering and general technical tracks typically start at 30 to 45 USD per hour. Domain-scarce tracks (advanced math, biology, law) start higher, often 50 to 80 USD.
What moves the rate up
Three drivers compound:
- Quality consistency. Mercor weights the inter-rater agreement and the depth of your written justifications. High agreement plus thorough explanations push the rate upward over time.
- Task complexity. Longer, more nuanced evaluations (multi-turn agent traces, code reasoning chains) pay more per hour than short pairwise comparisons.
- Specialisation. Once you are tagged in a high-demand niche (LLM agent evaluation, formal proofs, legal reasoning), the rate jumps because supply is thinner.
Volume
Volume is bursty. Some weeks have many task batches; others are quiet. Expect 5 to 20 hours per week as a realistic sustainable range while keeping a day job. A few experts in scarce domains go to 30+ hours.
Annualised
A consistent 10 hours/week at 50 USD/hour is roughly 26,000 USD per year of side income. At 60 USD/hour for 20 hours/week, you hit around 60,000 USD per year, which can rival a full-time engineering job for some markets.
When Mercor is not worth it
If your day job pays more than 100 USD per hour all-in (top-tier US engineering compensation), Mercor side income probably is not worth your evening hours. The math works best for mid-rate engineers, contractors between gigs, or experts in scarce domains.
Payout speed
Hourly contractors are paid weekly, every Wednesday, through Stripe or Wise depending on the country of your bank account. Stripe payouts land within up to five business days; Wise usually within about an hour.
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Earn $60-$100+/hour evaluating AI model outputs
Mercor matches vetted experts (developers, researchers, domain specialists) with paid evaluation work for frontier AI labs. Async, remote, USD payouts. Best fit if you have technical depth and want flexible high-rate side income.
Apply to Mercor →Frequently asked questions
What is the average Mercor hourly rate for developers in 2026?
Most accepted software developers earn 35 to 60 USD per hour after the first month, with experienced or specialised profiles reaching 80 USD or more on premium tasks.
Can Mercor replace a full-time salary?
For mid-rate engineers in lower-cost markets, sustained 25 to 30 hours per week at 50 to 70 USD per hour can match or exceed a local full-time salary. Most evaluators treat it as a complement, not a replacement.