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For teams buying AI training data

Welo Data pricing

Welo Data publishes no price: it describes itself as a managed services partner, not a self-serve marketplace, so every program is scoped and quoted.

Compare data vendors

Read against Welo Data’s own pages and the press on 2 Nov 2026. Every figure below links its source.

The figures

What Welo Data charges, keeps and pays

No published or reported price for Welo Data is on record. What it charges is set per project in its quote.

About Welo Data

What Welo Data sells

Managed multilingual training data, annotation, human evaluation of models, red teaming and voice evaluation.

Welo Data is a brand of the localization company Welocalize, launched in May 2024.

  • Welo Data home page (Welo Data, 2 Nov 2026)
  • Welocalize launches Welo Data (Welocalize, 21 May 2024)

What an expert hour costs

Start from what the expert is paid

Every vendor's price for an expert hour is the expert's pay plus the vendor's share. We read the pay of every open AI-training role on the major platforms every hour, so here is what each kind of US expert is paid for AI work today.

The live rates are unavailable right now.

What other vendors keep

  • Appen: Gross margin 43.3% in Q3 FY26 (39.2% a year earlier); 39.2% for January to September 2026 (stated by the company, Appen Limited (ASX: APX), ASX announcement, 29 Oct 2026).
  • Scale AI: Monetizes per task, marking up the cost of labor, for 50%+ gross margin (analyst estimate, Sacra, 11 Oct 2026).
  • Handshake: AI data business gross margins around 30%, versus about 80% for the job board (analyst estimate, Sacra, 11 Oct 2026).
  • Mercor: Percentage-based recruiting fee, typically 30%, for direct talent placements (analyst estimate, Sacra, 11 Oct 2026).
  • Mercor, Handshake, micro1: Roughly 60% to 70% of top-line income paid out to domain specialists (reported by a third party, TechCrunch, 22 Sep 2026).
  • Mercor: Third-party analysts estimate Mercor's take at roughly 30% to 35% of billed hours, with contractors receiving 60% to 70% of gross billings (analyst estimate, HeroHunt.ai, 6 Sep 2026).
  • Handshake AI: Pays about $60 million a month to more than 30,000 individuals, on a run rate of about $1 billion (stated by the company, Handshake (job board), 5 Sep 2026).
  • micro1: Gross margins on off-the-shelf data as high as 80% to 90% (reported by a third party, TechCrunch, 20 Aug 2026).

Alternatives

Alternatives to Welo Data

Expert data from US professionals, run end to end

Evaluations, rubrics, fine-tuning data and red-teaming by US doctors, nurses, lawyers, finance professionals, scientists and engineers from our own network. An expert hour is priced at what that kind of expert is paid today (the table above) plus our fee for running the project, and the quote shows both.

How our expert data projects work

By field: Medical · Legal · Finance · Coding · Science and engineering · Red-teaming and safety · Languages

Appen pricingAppen publishes no price list: there is no pricing page on its site, and each project is quoted. Its reports describe revenue from projects with AI model builders and from prebuilt datasets, without unit prices.Shaip pricingShaip publishes no price: its pricing page shows no figure, rate card or minimum, and asks buyers to talk to its team for a quote tailored to the project.Toloka pricingToloka publishes no rate card. On its self-service platform the buyer prepays an account balance and sets the hourly rate it will pay within Toloka's suggested range; fees are shown in the account at checkout, exclude VAT, and purchases are non-refundable. Enterprise projects are quoted.TELUS Digital pricingTELUS Digital publishes no price or pricing model: its AI training data page offers projects by quote.Scale AI pricingScale AI publishes no price: its pricing page is a form to book an introductory call. The press reports that most of its revenue comes from charging model makers for access to its network of specialised human trainers.Prolific pricingProlific publishes its prices: buyers pay participants plus a platform fee, usually 42.8% for companies and 33.3% for academic and non-profit customers, with no contract or subscription. Participants must be paid at least US$8 an hour. Managed projects are quoted.

All 25 data vendors and how each prices

Looking for paid work at Welo Data rather than buying data? Welo Data: open roles, pay and whether it is legit.

Questions

What teams ask about Welo Data

How much does Welo Data charge?

Welo Data publishes no price: it describes itself as a managed services partner, not a self-serve marketplace, so every program is scoped and quoted.

What does Welo Data sell?

Managed multilingual training data, annotation, human evaluation of models, red teaming and voice evaluation.

What should a buyer know about Welo Data as a company?

Welo Data is a brand of the localization company Welocalize, launched in May 2024.