Is Mercor profitable in 2026?

Mercor says it has been free-cash-flow profitable since near inception, reporting $6M profit in H1 2025 (company blog, May 2026). It also claims annualized revenue run rate crossed $2B by July 2026, though these are self-reported vendor figures, not audited financials.

Could AI replace Mercor's business model?

Partly. A contractor told reporters her corrections became unnecessary within about a week as the AI model absorbed them (July 2026), shrinking task shelf-life. Mercor is countering by pivoting toward proprietary RL training environments via its July 2026 Deeptune acquisition.

Who is Mercor's biggest competitor?

Surge AI, reportedly profitable and raising at a $15-25B valuation as of December 2025, is seen as Mercor's closest peer. Handshake AI is also gaining fast, crossing $1B ARR in April 2026, up from $550M at the start of that year.

Mercor is privately held and venture-backed, founded January 2023 by Brendan Foody, Adarsh Hiremath and Surya Midha. It raised a $350M Series C at a $10B valuation in October 2025, and was in early talks for a $20B valuation round as of July 9, 2026.

Has Mercor had a data breach?

Yes. Mercor suffered a major data breach in March 2026 exposing contractor biometric data, interview recordings and Social Security numbers, leading to at least 7 class-action lawsuits filed from April 2026 onward and Meta pausing its work with Mercor indefinitely.

How many employees does Mercor have?

Estimates vary widely by source: Bloomberg reported about 400 full-time employees as of July 2026, while Revelio Labs counted 4,686 worldwide as of December 2025 and Crustdata tracked 7,724 by June 2026, reflecting differing definitions of staff versus platform contractors.

AI companies and labs · United States

Mercor

mercor.com ↗

Mercor runs a marketplace that supplies AI labs with human-labeled training and RL data.

Losing its protection

Assessed 21 July 2026 · Evidence as of 21 July 2026

The structural protection is eroding.

On the recordSince 21 July 2026 · Checkable from late 2026 · Every call on the record Checkpoint: Resolution or progress in the 7+ class-action breach lawsuits and the OpenAI worker-misclassification suit

The call

Mercor is growing fast on frontier lab demand, but its biggest customers are also its biggest threats and a data breach has already cost it Meta.

Mercor runs a marketplace where companies buy data to train AI systems, and it grew to $2 billion in yearly sales by mid-2026 with real money coming in. The hard part is that competitors like Surge AI and Handshake AI are well-funded and doing similar work, and worse, Mercor's biggest customers like OpenAI have started building their own hiring and data platforms instead of buying from Mercor, which means Mercor could lose revenue to the people it currently sells to. The one thing that could save the company is if the tools Mercor provides become so woven into how AI labs do their work that those labs would rather keep using Mercor than rebuild everything themselves, but a data breach in March 2026 and seven lawsuits already cost them Meta as a customer, which suggests that could go the other way.

Why

AI pressure: OpenAI's in-house hiring/RL platform. OpenAI is Mercor's biggest customer but already built its own hiring and RL tooling, threatening to bring the work in-house. Could AI do the core job? Only partly.

Bigger players: Scale AI (backed by Meta's ~49% stake). Scale AI lost Meta's trust and is suing Mercor over trade secrets, but Meta itself has stopped sending Mercor work after the breach. Could a giant copy it? Yes, easily.

What protects it. Deeptune RL infrastructure is getting embedded into lab training pipelines, which is harder to rip out than a simple vendor contract.

What would change this call

OpenAI or Anthropic publicly expand in-house RL/data sourcing teams or tools. Would show Mercor's biggest customers are internalizing the work instead of buying it.
Outcome of the 7+ class-action lawsuits over the March 2026 data breach. An adverse ruling or new breach would show trust and contractor-supply damage.
Whether Meta resumes work with Mercor or a top-3 lab shifts volume to Surge AI or Handshake AI. Would show whether Mercor is losing or regaining share among frontier-lab customers.

Key numbers

$2B annualized revenue run rate (Jul 2026)
$20B valuation talks underway, unconfirmed (Jul 2026)
Meta paused work indefinitely after breach (Mar 2026)

Named risks

March 2026 data breach and 7+ class-action lawsuits over exposed contractor data. Severity: high
Revenue concentrated among a handful of frontier AI labs. Severity: high
Top customers like OpenAI vertically integrating in-house hiring/RL platforms. Severity: medium
Equally-funded rivals Surge AI and Handshake AI contesting same lab budgets. Severity: medium
Conflicting headcount and revenue figures across sources raise data-reliability questions. Severity: low

Rivals, as read in July 2026

Rival	Direction	Evidence
Scale AI	losing to	Meta's ~49% stake mid-2025 triggered client exodus benefiting Mercor and Surge
OpenAI	gaining on	Shipped own hiring/RL platform Sep 2025 while remaining Mercor's largest customer
Surge AI	contesting	Profitable peer reportedly raising at $15-25B valuation as of Dec 2025
Handshake AI	gaining on	ARR crossed $1B in April 2026, up from $550M at start of 2026

Questions people ask

Is Mercor profitable in 2026?: Mercor says it has been free-cash-flow profitable since near inception, reporting $6M profit in H1 2025 (company blog, May 2026). It also claims annualized revenue run rate crossed $2B by July 2026, though these are self-reported vendor figures, not audited financials.
Could AI replace Mercor's business model?: Partly. A contractor told reporters her corrections became unnecessary within about a week as the AI model absorbed them (July 2026), shrinking task shelf-life. Mercor is countering by pivoting toward proprietary RL training environments via its July 2026 Deeptune acquisition.
Who is Mercor's biggest competitor?: Surge AI, reportedly profitable and raising at a $15-25B valuation as of December 2025, is seen as Mercor's closest peer. Handshake AI is also gaining fast, crossing $1B ARR in April 2026, up from $550M at the start of that year.
Who owns Mercor?: Mercor is privately held and venture-backed, founded January 2023 by Brendan Foody, Adarsh Hiremath and Surya Midha. It raised a $350M Series C at a $10B valuation in October 2025, and was in early talks for a $20B valuation round as of July 9, 2026.
Has Mercor had a data breach?: Yes. Mercor suffered a major data breach in March 2026 exposing contractor biometric data, interview recordings and Social Security numbers, leading to at least 7 class-action lawsuits filed from April 2026 onward and Meta pausing its work with Mercor indefinitely.
How many employees does Mercor have?: Estimates vary widely by source: Bloomberg reported about 400 full-time employees as of July 2026, while Revelio Labs counted 4,686 worldwide as of December 2025 and Crustdata tracked 7,724 by June 2026, reflecting differing definitions of staff versus platform contractors.

Timeline

2026-07-09Mercor acquires Deeptune; claims $2B ARR; in talks for $20B valuation
2026-07-07New Hampshire breach notification surfaces for Mercor data breach
2026-04-017+ class-action lawsuits filed over March 2026 data breach
2026-03-01Major data breach exposes contractor data; Meta pauses work indefinitely
2026-02-01Mercor acquires Sepal AI to strengthen evaluation capabilities
2026-01-01Mercor annualized run rate reportedly crosses $1B
2025-10-27Mercor closes $350M Series C at $10B valuation
2025-10-01Worker-misclassification suit Cox v. Mercor Io Corp. filed naming Mercor and OpenAI
2025-09-09OpenAI launches own hiring platform; Mercor run rate hits $450-500M
2025-09-01Scale AI files trade-secrets suit against Mercor

Revision history

21 July 2026

First assessed. Losing its protection. The text above is fixed as of this date and is not edited afterwards.

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