Mercor
Mercor: Hire vetted domain experts for AI model evaluation and training data
Mercor is a solid pick for AI companies that need vetted domain experts fast, and for professionals seeking $100+/hr AI-adjacent work. The platform's specialization in high-skill evaluation and training roles beats generic marketplaces, and its APEX benchmarks add a credible evaluation layer. However, the June 2026 security incident and lack of transparent pricing should give buyers pause. If you need generalist talent, Upwork is safer; for managed pipelines, consider Invisible Technologies.
Verified 8d ago · liveness 69/100 · cite: rightaichoice.com/tools/mercor
- AI companies needing on-demand vetted domain experts for model evaluation and training data generation
- Enterprises requiring specialized expertise for short-term AI research projects or agent evaluation
- Professionals in law, finance, accounting, sales, HR, and biology seeking $65-$150/hr AI-adjacent freelance work
- Organizations wanting to monetize existing workflow data through automated anonymization
- Entry-level or general freelancers seeking lower-skill projects
- Companies needing full-time, long-term employees rather than project-based contractors
- Professionals in non-STEM fields like arts or humanities where AI-adjacent roles are limited
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Skip Mercor if you need generalist freelancers for routine tasks, want transparent upfront pricing, or require guaranteed long-term employment—it's a project-based marketplace with a security incident in its recent history.
Mercor doesn't publish pricing; you must contact sales for a quote, which can lead to unexpected costs for enterprises.
Mercor's pricing is sales-led and opaque, with no public tiers. It fits companies with flexible budgets that value speed and specialization. Compared to Upwork's marketplace fees or Invisible Technologies' managed outsourcing, Mercor's pricing is likely higher per hour but offers domain expertise that generalists lack. For established enterprises, the APEX benchmarks and off-the-shelf data may justify the cost, but smaller teams may find the lack of pricing transparency frustrating.
In short
Mercor — Mercor: Hire vetted domain experts for AI model evaluation and training data. Best for AI companies needing on-demand vetted domain experts for model evaluation and training data generation, Enterprises requiring specialized expertise for short-term AI research projects or agent evaluation, Professionals in law, finance, accounting, sales, HR, and biology seeking $65-$150/hr AI-adjacent freelance work. Contact Sales pricing.
What's new in Mercor
Checked 6 days agoAcross the latest 8 updates: 1 launch, 2 community discussions and 5 news mentions.
Your AI should earn underwriting authority the way a new underwriter does
Mercor discusses AI underwriting authority, framing it as a process akin to onboarding a new underwriter.
SWE-Marathon-Ext: Can AI build a whole SaaS product?
Mercor evaluates whether AI can build a full SaaS product in an extended software engineering marathon.
Model routing is an evaluation problem
Mercor argues model routing should be treated as an evaluation problem, not just a heuristic.
Introducing the AI Productivity Index for Accounting
Mercor and Ramp launch APEX-Accounting, measuring AI agents' ability to reconcile accounts, analyze variances, and close books.
Mercor to acquire Deeptune
Mercor acquires Deeptune, combining five million experts with Deeptune's platform for realistic training environments across industries.
Update on Mercor security incident
Mercor provides an update on a security incident, detailing response and impact.
When volume grew 10x in a month and we had one week to fix it
Mercor engineering details a crisis where volume surged 10x in a month with one week to remediate.
When you go from $2 million a month to $2 million a day
Mercor discusses the scaling challenge of revenue growing from $2M monthly to $2M daily.
Viability Score
How well maintained and how widely used is Mercor? Built from what the vendor actually publishes (docs, changelog, tutorials, integrations, pricing), whether the site is live, and how much real users discuss it. How we calculate this
Last calculated: September 2026
How we score →Key Features
- Vetted domain experts across 300+ professional fields
- Average contracted rate $112/hr
- $4M+ in daily payouts to experts
- Over 422k roles created (page states '422k k'—likely a typo, treat as 422,000)
- Project-based assignments with flexible scheduling
- APEX-Agents benchmark for AI agent evaluation
- APEX-SWE benchmark for software engineering agents
- APEX-Accounting benchmark for accounting agents (built with Ramp)
- Enterprise AI: workflow mapping, Forward Deployed Engineers, production AI
- Human data & evals: 30k+ experts, benchmarks, RL environments
- Data monetization: automated anonymization for 60+ categories
- Off-the-shelf data for AI training
- Human evaluation at scale for frontier labs
- Acquisition of Deeptune for realistic training environments
- Extended SWE benchmark: SWE-Marathon-Ext (tests building a full SaaS product)
About Mercor
Mercor is a two-sided marketplace that organizes human intelligence for the AI economy, connecting AI companies with vetted domain experts who evaluate models, generate training data, and support research. Instead of a generalist freelance pool, Mercor curates specialized professionals—lawyers, doctors, accountants, sales experts, and engineers—who earn between $65 and $150 per hour on project-based assignments. The platform reports more than 1,000 roles created and daily payouts, which makes it a practical option for experts seeking flexible, AI-adjacent income and for companies needing specialized human input fast. For AI companies, Mercor offers a single place to source human intelligence for agent evaluation, training data generation, and research projects. The site features the AI Productivity Index (APEX), a set of benchmarks that includes APEX-Agents, APEX-SWE, and the newer APEX-Accounting built with Ramp. Enterprise agent evaluation systems and the acquisition of Deeptune (announced July 2026) signal Mercor's push toward realistic training environments across industries. Off-the-shelf data and human data monetization round out the offering for enterprises that need pre-curated datasets. On the supply side, Mercor shows active demand across law, finance, accounting, sales, HR, and biology with recent roles ranging from $65 to $150 per hour. The listing for Medicare Advantage Members from Devoted Health highlights 263 hires, and other roles show recent hires in the dozens. Experts can apply for work and get paid daily, which is a meaningful shift from traditional consulting or freelance gigs that often pay on 30- or 60-day cycles. Compared to generalist marketplaces like Upwork or managed outsourcing such as Invisible Technologies, Mercor focuses exclusively on high-skill AI-specific roles. It is not a place to find entry-level data entry—it is built for people whose domain expertise directly improves AI performance. For companies that need vetted experts
Behind the Verdict
Mercor sits in a niche that's getting crowded—but it owns the high end. If you're an AI lab or an enterprise building agents, you don't want random gig workers; you want a cardiologist to judge a clinical reasoning model or a CPA to vet an accounting agent. That's Mercor's lane. The APEX benchmark family—Agents, SWE, Accounting—is a genuine differentiation, not marketing fluff: it measures agents on real professional tasks, and APEX-Accounting was built with Ramp, which lends credibility. For experts, the math is compelling: $112/hr average contracted rate, $4M+ in daily payouts, and roles that actually flex your domain knowledge. But the June 2026 security incident is a real red flag; Mercor published a blog update on June 25, 2026, but the damage to trust lingers. If you're a buyer, ask for their security postmortem before you hand over sensitive data. Where Mercor shines is speed and specialization. The platform shows roles like a $120/hr Medicare Advantage study with 263 recently hired, and a $90/hr clinicians survey with 1,246 hires. That's not a beta; it's a pipeline. For professionals, the daily payouts are a real advantage over consulting or freelance platforms that stretch invoices to 30 or 60 days. But note: Mercor is sales-led, so there's no public pricing. You'll need to book a demo or talk to research to get a rate card. That friction is fine for enterprises, but freelancers might find it opaque. Compared to alternatives, Mercor is not Upwork. Upwork is a broad marketplace where you can find anyone for anything, but you get what you pay for—vetted is a loose term. Mercor curates its talent, and the average rate reflects that. Invisible Technologies is another managed option, but it's more about end-to-end outsourcing; Mercor is a marketplace with a
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Real-world workflow fit
Concrete scenarios for the personas Mercor actually fits — and what changes day-one when you adopt it.
You need to evaluate your AI agent's performance on legal document review. You sign up, describe your project, and Mercor matches you with vetted lawyers. You get access to APEX-Agents to benchmark your agent against industry standards.
Outcome: Within a week, you have expert feedback and a benchmark report, enabling you to improve your agent's accuracy before launch.
You're looking to earn extra income by evaluating AI-powered accounting tools. You create a profile on Mercor, pass the vetting process, and get matched with a project that uses APEX-Accounting. You work on reconciling accounts and analyzing variances.
Outcome: You earn $70-$90/hr with daily payouts, gaining flexible work that leverages your expertise and contributes to AI improvement.
Your team needs specialized data for training a healthcare AI. You use Mercor's off-the-shelf data and hire medical experts for voice sample collection. You also set up an Agent Eval System to continuously monitor performance.
Outcome: You gain curated data and expert feedback, accelerating your training timeline and ensuring model reliability.
Use Cases
- Label legal documents for AI document understanding systems.
- Provide expert feedback on medical AI to improve clinical decision support.
- Evaluate model-generated equity research reports for accuracy.
- Generate high-quality training data for AI agents in software engineering.
- Assess model performance on professional tasks like consulting analysis.
Models Under the Hood
as of 2026-08-30
Limitations
- Mercor's models are benchmarks, not underlying AI models; the actual AI models that power its platform are not named.
- Experts must apply and be vetted, and roles depend on demand from frontier labs.
- The platform disclosed an unexpected security incident in June 2026, and pricing is not publicly listed — you must contact sales.
as of 2026-08-24
Verification history
We have re-verified Mercor 17 times since . Each pass re-reads the vendor's own pages and re-checks every listed field against that evidence; passes where nothing had changed are marked as such.
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
Showing the 6 most recent of 17 verification passes.
Free to cite with attribution — this page re-verifies continuously.
Where the pricing makes sense
The company stage and team size where Mercor's pricing actually pencils out — and where peers do it cheaper.
Mercor's pricing is sales-led and opaque, with no public tiers. It fits companies with flexible budgets that value speed and specialization. Compared to Upwork's marketplace fees or Invisible Technologies' managed outsourcing, Mercor's pricing is likely higher per hour but offers domain expertise that generalists lack. For established enterprises, the APEX benchmarks and off-the-shelf data may justify the cost, but smaller teams may find the lack of pricing transparency frustrating.
Setup time & first value
How long it actually takes to get something useful out of Mercor — broken out by persona, not the marketing-page minute.
For experts: application and vetting can take a few days, after which you can apply to roles that match your skills. You could land your first project within a week. For companies: after a quick onboarding call, you can source experts within 48 hours, with project setup taking a few hours to a day.
Switching to or from Mercor
How to bring data in from common predecessors and how to get it back out — written for the switcher, not the buyer.
- →From Upwork: create a Mercor profile and highlight your AI-adjacent experience; apply to roles that fit your expertise.
- →From Invisible Technologies: move your AI-specific projects to Mercor for access to vetted domain experts and faster payouts.
- ↗To Upwork: if you need generalist skills or a larger talent pool, Upwork offers a broader range of services.
- ↗To Invisible Technologies: for fully managed pipelines and end-to-end delivery, Invisible can handle operations for you.
Integrations
Resources & Guides
Tutorials & Learning
Official links
Tools that pair well with Mercor
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