
Mercor reviews · researched 4 Oct 2026
Is Mercor legit?
Yes. Mercor is a real San Francisco company, valued at $10 billion in October 2025, that pays contractors every week through Stripe or Wise. Projects are temporary and can be paused, cut or repriced at short notice, and the March 2026 breach showed that the ID and tax details you upload can leak.
, AITraining.jobs lists 233 open Mercor roles; their typical pay runs $55 to $150 an hour, with a median of $75.
The Mercor review
Researched October 2026 · 35 sourcesIt pays $55–$150/hr typically (median $75/hr).
Actively hiring, pay independently measured from its live feedFounded in 2023 by Brendan Foody (CEO), Adarsh Hiremath and Surya Midha, Mercor raised $100 million at a $2 billion valuation in February 2025 and $350 million at $10 billion in October 2025, and bought Sepal AI and Deeptune in 2026. It says it pays out over $2 million a day to more than 30,000 weekly active contractors (May 2026); its customers include OpenAI and Anthropic. AIData.Broker's record of Mercor, a database we also run, lists each funding round, valuation and revenue figure published about the company, with its source.
Hourly contractors are paid every Wednesday for the previous week of approved hours, tracked in the Insightful app, through Stripe Connect, or Wise where Stripe is not available; the first Stripe payout is held 7 days. Mercor withholds no tax, and US contractors who earn over $600 get a 1099-NEC.
Trustpilot 4.4/5 (999 reviews) · Glassdoor 4.2/5 (195 reviews) · Indeed 3.9/5 (26 reviews). Read October 2026.
233 open roles on Mercor, independently checked 18 Oct 2026.
Global (45+ countries); many projects timezone- or country-restricted (US/UK/AU premiums).
Mercor says it never charges fees, its real email ends in @mercor.com, and accounts and payouts are set up only at work.mercor.com; offers from other or misspelled domains are fake (report them to support@mercor.com). Job scammers often start on text, WhatsApp or Telegram and later ask for money.
What people praise
- Many reviewers say weekly payouts arrive on time.
- Reviewers like the flexible remote schedule and competitive hourly rates.
- Some describe project staff as supportive and quick to communicate.
What people complain about
- Projects can be paused or ended suddenly, sometimes with only an automated email, and work between projects is uneven.
- Some spend hours on unpaid AI interviews, assessments or onboarding, then see offers stall or projects cancelled before work starts.
- Some report logged hours being removed and pay refused after the work was done.
- Support is mostly automated, and rejected applicants say they get no reasons.
What has gone wrong
- March 2026. From March 24 to 30, 2026, an attacker used a poisoned version of the open-source LiteLLM tool to download Mercor data, including Social Security and government ID numbers per state filings, and Meta paused its work with Mercor. Mercor says only a very limited subset of experts was affected, saw no evidence of fraud and offered credit monitoring.
- April 2026. In the week after the breach, contractors filed five lawsuits in federal courts in California and Texas over exposed personal data; Mercor declined to comment. In May 2026 a proposed class action in Texas federal court said Mercor misclassified more than 30,000 experts as contractors, and Mercor asked the court to send the case to arbitration.
- November 2025. Mercor ended Musen, a Meta project that had more than 5,000 people at its peak, citing 'project scope changes', and offered similar work on a new project at $16 an hour instead of $21. Mercor said it is clear from the start that this is 'temporary, project-based work.'
Best for: Professionals with in-demand expertise (for example medicine, law, finance or engineering) who want flexible, hourly remote project work and can live with gaps between projects. Not for: Anyone who needs steady, guaranteed hours or benefits, or who is not comfortable sharing ID and tax details and working under screenshot-based time tracking.
Sources for this review
- TechCrunch: Mercor, an AI recruiting startup founded by 21-year-olds, raises $100M at $2B valuation (Feb 20, 2025)
- Mercor: Announcing Mercor's Series B (Feb 20, 2025)
- TechCrunch: Mercor quintuples valuation to $10B with $350M Series C (Oct 27, 2025)
- Mercor: Unlocking Human Potential in the AI Economy, Series C announcement (Oct 27, 2025)
- Orrick: Mercor Acquires Sepal AI (Feb 6, 2026)
- Fortune: AI unicorn Mercor acquires Deeptune after founder Brendan Foody backed the startup (Jul 9, 2026)
- TechCrunch: Mercor is in talks for a $20B valuation (Jul 9, 2026)
- Mercor: When you go from $2 million a month to $2 million a day (May 8, 2026)
- Mercor Help Docs: Payments
- Mercor Help Docs: Time Tracking & Pay Policies (includes Safety & Authenticity FAQ)
- Mercor Help Docs: Taxes and Work Authorization
- Mercor Help Docs: Melvin (support assistant)
- Trustpilot: Mercor reviews (mercor.io)
- Trustpilot: Mercor 1-star reviews (mercor.io)
- Trustpilot: Mercor reviews (mercor.com)
- Glassdoor: Mercor Reviews
- Indeed: Working at MERCOR, Employee Reviews
- California Attorney General: Mercor sample breach notice letter, June 25, 2026 (PDF)
- California Attorney General: Mercor.io Corporation data breach entry
- Vermont Attorney General: Security Breach Notices (Mercor.io Corporation, reported 6-25-2026)
- Mercor: Update on Mercor security incident (Jun 25, 2026)
- TechCrunch (via Yahoo): Mercor says it was hit by cyberattack tied to compromise of open source LiteLLM project (Apr 1, 2026)
- The Record: Mercor confirms security incident tied to LiteLLM supply chain attack (Apr 1, 2026)
- Fortune (via Yahoo): Mercor, a $10 billion AI startup that works with companies including OpenAI and Anthropic, confirms major data breach (Apr 2, 2026)
- TechCrunch: After data breach, $10B-valued startup Mercor is having a month (Apr 9, 2026)
- Business Insider (via AOL): Meta paused its work with AI training startup Mercor after a data breach (Apr 4, 2026)
- Business Insider (via AOL): An AI startup powering Meta and OpenAI cut thousands of workers, then offered them a similar project for less money (Nov 12, 2025)
- Business Insider (via AOL): Mercor hit with 5 contractor lawsuits in a week over data breach (Apr 7, 2026)
- Law360: AI Startup Misclassified 30K Workers, Suit Says (May 11, 2026)
- Law360: AI Startup Says Worker Must Arbitrate Misclassification Suit (Jun 10, 2026)
- Littler, Independent Contractor Compliance blog: AI Firms Continue To Be Targeted for IC Misclassification Claims, May 2026 update (Jun 9, 2026)
- TechCrunch: Scale AI is suing a former employee and rival Mercor, alleging they tried to steal its biggest customers (Sep 3, 2025)
- Claims Journal (Bloomberg): Scale AI Sues Rival Startup Mercor, Alleging Trade Secret Theft (Sep 4, 2025)
- PacerMonitor: Scale AI, Inc. v. Mercor.io Corporation et al, 3:25-cv-07402 (N.D. Cal.) docket
- FTC Consumer Alert: That job offer text is probably a scam (Apr 30, 2026)
Got a message from Mercor?
Its real sites: mercor.com. Real email from @mercor.com (for example support@mercor.com). Paste the message to check the links, the sender and the pay.
What Mercor's job board shows
Read from its public job board every day: how much it lists, how often it states pay, who may apply and how fast roles come down, against every other platform this site reads.
Mercor listed 230 open roles on 17 Oct 2026, 6.2% of the 3,692 open across the 29 platforms AITraining.jobs reads, the 7th most.
Counted at the end of each week, Mercor went from 261 open roles on 9 Aug 2026 to 203 on 11 Oct 2026 (-22.2%); the highest count was 365 on 6 Sep 2026.
From 20 Sep 2026 to 17 Oct 2026, Mercor posted 251 new listings and removed 310 (listed a median of 33.9 days before removal, against 32.6 days on other platforms); its open roles went from 289 to 230 (-20.4%).
None of its 230 open roles are open to applicants in any country (30.8% on other platforms); 44.8% are limited to listed countries, most often the United States (named by 68.0%); 55.2% exclude the same 89 countries, among them Afghanistan, Andorra and Armenia.
Mercor against the other platforms
How does Mercor compare with the rest of the market on size, pay, reach and turnover?
| Measure | Mercor | Other platforms | Its rank (1 = highest) |
|---|---|---|---|
| Open roles on 17 Oct 2026 | 230 | 3,462 | 7th of 29 |
| Share of all open roles | 6.2% | 93.8% | 7th of 29 |
| New listings in the window | 251 | 2,001 | 4th of 29 |
| Kinds of work listed | 11 | 12 | joint 2nd of 29 |
| Open roles stating an hourly rate | 83.0% | 82.7% | 14th of 25 |
| Median advertised pay | $75/hr | $65/hr | joint 8th of 23 |
| Open roles accepting any country | 0.0% | 30.8% | joint 16th of 25 |
| Median days listed, removed roles | 33.9 days | 32.6 days | 8th of 13 |
Open roles at Mercor, week by week
Is Mercor listing more AI training roles or fewer?
| Week | Open at the end of the week | New listings |
|---|---|---|
| 3 to 9 Aug | 125 | |
| 10 to 16 Aug | 94 | |
| 17 to 23 Aug | 44 | |
| 24 to 30 Aug | 68 | |
| 31 Aug to 6 Sep | 111 | |
| 7 to 13 Sep | 47 | |
| 14 to 20 Sep | 85 | |
| 21 to 27 Sep | 48 | |
| 28 Sep to 4 Oct | 35 | |
| 5 to 11 Oct | 20 |
Mercor reviews: questions
Is Mercor legit?
Yes. Mercor is a real San Francisco company, valued at $10 billion in October 2025, that pays contractors every week through Stripe or Wise. Projects are temporary and can be paused, cut or repriced at short notice, and the March 2026 breach showed that the ID and tax details you upload can leak.
Is Mercor a scam?
No. Mercor is a real company. Mercor says it never charges fees, its real email ends in @mercor.com, and accounts and payouts are set up only at work.mercor.com; offers from other or misspelled domains are fake (report them to support@mercor.com). Job scammers often start on text, WhatsApp or Telegram and later ask for money.
Does Mercor pay?
Yes. Credible with strong payment reliability (weekly Stripe payouts on time). Earnings are feast-or-famine as project queues ebb and flow. Payouts: Weekly via Stripe (1099 contractors). Hourly contractors are paid every Wednesday for the previous week of approved hours, tracked in the Insightful app, through Stripe Connect, or Wise where Stripe is not available; the first Stripe payout is held 7 days. Mercor withholds no tax, and US contractors who earn over $600 get a 1099-NEC.
What do workers say about Mercor?
Trustpilot 4.4/5 (999 reviews) · Glassdoor 4.2/5 (195 reviews) · Indeed 3.9/5 (26 reviews), read October 2026. Praise: Many reviewers say weekly payouts arrive on time. Complaints: Projects can be paused or ended suddenly, sometimes with only an automated email, and work between projects is uneven.
Has anything gone wrong at Mercor?
March 2026: From March 24 to 30, 2026, an attacker used a poisoned version of the open-source LiteLLM tool to download Mercor data, including Social Security and government ID numbers per state filings, and Meta paused its work with Mercor. Mercor says only a very limited subset of experts was affected, saw no evidence of fraud and offered credit monitoring. April 2026: In the week after the breach, contractors filed five lawsuits in federal courts in California and Texas over exposed personal data; Mercor declined to comment. In May 2026 a proposed class action in Texas federal court said Mercor misclassified more than 30,000 experts as contractors, and Mercor asked the court to send the case to arbitration. November 2025: Mercor ended Musen, a Meta project that had more than 5,000 people at its peak, citing 'project scope changes', and offered similar work on a new project at $16 an hour instead of $21. Mercor said it is clear from the start that this is 'temporary, project-based work.'
How do I spot a fake Mercor recruiter?
Mercor says it never charges fees, its real email ends in @mercor.com, and accounts and payouts are set up only at work.mercor.com; offers from other or misspelled domains are fake (report them to support@mercor.com). Job scammers often start on text, WhatsApp or Telegram and later ask for money.
Is Mercor hiring right now?
Yes. 233 open Mercor roles are listed on its public job board, read 18 Oct 2026. Counted at the end of each week, Mercor went from 261 open roles on 9 Aug 2026 to 203 on 11 Oct 2026 (-22.2%); the highest count was 365 on 6 Sep 2026.
Who is Mercor for?
Best for: Professionals with in-demand expertise (for example medicine, law, finance or engineering) who want flexible, hourly remote project work and can live with gaps between projects. Not for: Anyone who needs steady, guaranteed hours or benefits, or who is not comfortable sharing ID and tax details and working under screenshot-based time tracking.
More on Mercor
- How much Mercor pays, by kind of work
- How to apply to Mercor
- Mercor: overview and live roles
- Mercor Hiring Data (research report)
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