Data Engine, GenAI Platform And Government AI With Assigned Engagement Managers

Scale AI sells human-in-the-loop training data, evaluation and applied AI to model builders, enterprises and governments. Its Data Engine covers text, image, video and 3D sensor labeling plus RLHF, red teaming and model evaluation. For support, its documentation says Pro and Nucleus customers work with an assigned Engagement Manager or Field Engineer, while hours are 9 AM to 5 PM Pacific on weekdays. Scale publishes no prices and no response-time commitments, and public reviews of its support are thin. Meta’s 49% stake, layoffs and a CEO change since 2025 are covered directly below.

About Scale AI

Industry leader in connected fleet operations

Market Position

One of the best-known names in AI training data, with a customer base that has historically included frontier labs, autonomous vehicle makers and the US government. Its position changed after the 2025 Meta deal, and the two lab customers press reports said were pulling back were OpenAI and Google.

Innovation Focus

A move beyond labeling toward applications: the GenAI Platform for agents on enterprise data, Donovan for defense and national security, and Scale Evaluation for testing frontier models.

Core Strengths

Expert and generalist human labeling combined with ML checks, a track record on frontier model post-training, government-grade authorizations on the GenAI Platform and Donovan, and Engagement Managers assigned to Pro and Nucleus accounts.

Use Cases

RLHF and preference data, red teaming and safety evaluations, autonomous vehicle and robotics annotation, document and text processing, and building evaluated agents for healthcare, finance and public-sector work.

Discover Scale AI’s Complete Data Labeling & Training Data Suite

Core Products & Solutions

Data labeling, RLHF, evaluation, GenAI agents and government AI from one vendor
Scale Data Engine

Scale Data Engine

The core data platform for collecting, curating and annotating data, then training and evaluating models in a loop. Scale lists text, image, video and 3D sensor fusion including LiDAR, with ML pre-labeling and human review driven by confidence scores.

Generative AI Data Engine

Generative AI Data Engine

Prompt and response generation, RLHF, red teaming and evaluation for generative models. Scale presents this as the workflow used to improve large language models after pre-training.

Scale Evaluation

Scale Evaluation

A platform to compare models across thousands of tests, break results down by language, topic or task, and cluster errors into recurring modes. Scale updated it in April 2025 and says its SEAL team built benchmarks such as MultiChallenge and MASK.

Scale GenAI Platform

Scale GenAI Platform

A platform for building agents that reason over a company’s own data, with connectors for Confluence, SharePoint and S3, deployment in your own VPC on AWS, Azure or GCP, and support for models from OpenAI, Google, Meta and Mistral. Scale lists SOC 2 Type II, ISO 27001 and FedRAMP High on the page.

Scale Donovan

Scale Donovan

A no-code agent platform for public-sector and defense workflows with side-by-side model comparison and traceable reasoning. Scale’s page says its unclassified government cloud is DISA IL4 and FedRAMP High authorized, and that it runs on air-gapped networks.

Scale Pro And Nucleus

Scale Pro And Nucleus

Pro is a labeling platform with API access and dedicated Engagement Managers who set up custom projects. Nucleus is a dataset management tool for reviewing annotations and measuring model performance.

Scale AI’s Pricing Plans

Pricing Overview

Quote-based engagements with no published dollar prices, tiers or free plan; each product is scoped on a sales call

Data Labeling & Data Engine

Teams that need annotation, RLHF or evaluation data delivered through managed projects

Custom

Pricing

Custom quote; the pricing page is a demo request with no rates

  • Text, image, video and 3D sensor fusion labeling
  • RLHF, red teaming and model evaluation data
  • ML pre-labeling plus human review on confidence scores
  • Pro and Nucleus accounts name an Engagement Manager or Field Engineer
  • No free tier or self-serve checkout is listed
Custom Quote
Get A Quote

GenAI Platform

Enterprises that want evaluated agents running on their own data and cloud

Custom

Pricing

Custom quote; the product page says “Talk to our team”

  • Data connectors and in-VPC deployment on AWS, Azure or GCP
  • Agent orchestration, evaluation and monitoring
  • Post-training of open-weight models
  • Model choice across OpenAI, Google, Meta, Mistral and others
  • A G2 reviewer says pricing can add up quickly when human review is needed
Custom Quote
Get A Quote

Donovan For Government

Defense and public-sector teams building mission agents on controlled networks

Custom

Pricing

Custom quote; scoped per agency and deployment

  • Agent Factory no-code builder and prebuilt agents
  • Model comparison on accuracy, hallucination rate and latency
  • Government cloud listed as DISA IL4 and FedRAMP High authorized
  • Air-gapped deployment described on the product page
  • Contract vehicles and accreditation dates are not listed
Custom Quote
Get A Quote
WHO

Who Is Scale AI Best For?

Ideal customer segments and business profiles

Small Businesses

1-25 Employees

Rarely the right fit. There is no free tier or published price, a G2 reviewer at a small firm calls it built for huge enterprise budgets, and support is delivered through assigned managers on larger accounts. A small team with a modest labeling job should confirm minimums first.

Mid-Market Companies

26-100 Employees

Workable for a funded AI product team with a defined labeling or evaluation need. Expect a sales process, and plan for the learning curve a G2 reviewer describes when configuring custom labeling workflows.

Enterprise Companies

100+ Employees

Scale’s core audience, with customers such as BP, Mayo Clinic, EY and NVIDIA on its site, SOC 2 Type II, ISO 27001 and FedRAMP High listed for the GenAI Platform. Ask which authorizations cover the product you are buying.

AI Labs And Public-Sector Teams

Any Size

Model builders needing expert RLHF and evaluation data, and agencies needing accredited deployments, gain the most. Labs that compete with Meta should ask how their data is isolated.

Scale AI’s benefits

Measurable Impact & Benefits

Vendor-published claims, customer stories and review scores; results reflect individual customers and are not independently audited

90%

Of Leading Model Builders

Scale says 90% of the world’s leading generative AI model builders are powered by Scale, a vendor claim on its homepage.

11

More Minutes Per Patient

Scale’s Mayo Clinic story says doctors have spent an average of 11 more minutes with each patient since launch.

25%

With Advanced Degrees

Scale says 25% of its data contributors have advanced degrees, a vendor-stated figure on its homepage.

10X

Throughput Ramp

Scale’s labeling page says Toyota Research Institute reported a 10X throughput ramp, attributed to the customer.

Days Or Weeks To Seconds

Time To Insights

Global Atlantic reports on Scale’s GenAI Platform page that time to insights fell from days or weeks to seconds.

4.5

G2 Rating

G2 shows Scale GenAI Platform at 4.5 out of 5 from 16 reviews, which does not cover data labeling.

9 To 5

Pacific Support Hours

Scale’s support page lists 9 AM to 5 PM Pacific, Monday to Friday, excluding major US holidays.

1

Assigned Contact

Pro and Nucleus customers are directed to an Engagement Manager or Field Engineer, per Scale’s support page.

Scale AI’s REVIEWS

Scale AI Real reviews

Positive but very small public review base, mostly for the GenAI Platform and not for data labeling

Our Rating:

4.4

Trustpilot reviews
N/A
G2 reviews
4.5
16
Capterra
N/A
Muhammed A., Technical Project Manager, Logistics
The documentation covers common use cases well, but more advanced customization still required additional support engagement.
Irfaana H., Product and Member Support
I also find the initial setup pretty straightforward, which helps when starting to use the platform.
Alternatives

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Labelbox’s pricing page lists Free, Starter and Enterprise plans, with Enterprise listing dedicated technical support, a shared Slack channel and an SLA, and…

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Scale AI BENEFITS

Scale AI’s Pros & Cons

Balanced evaluation to help you make an informed decision

Strengths

  • Pro and Nucleus customers are assigned an Engagement Manager or Field Engineer who triages quality and technical issues, per Scale’s support page
  • Managed labeling with ML pre-labeling, confidence-based human review and a worker evaluation pipeline, as described by Scale
  • SOC 2 Type II, ISO 27001, DoD IL4 and FedRAMP High listed for the GenAI Platform, and IL4 and FedRAMP High for Donovan, per Scale
  • Broad data coverage across text, image, video, LiDAR and RLHF, plus red teaming and evaluation
  • Named customers including BP, Mayo Clinic, EY, NVIDIA and Toyota Research Institute, with a quantified Mayo Clinic result
  • Gartner Service & Support subrating of 4.5, and a G2 rating of 4.5 for the GenAI Platform
  • New CEO Francis deSouza, a former Google Cloud COO, from August 2026, with an enterprise and government focus

Limitations

  • No published prices, free tier or trial, and G2 reviewers call it costly and built for large budgets
  • Support hours are 9 AM to 5 PM Pacific on weekdays, and the page lists no response times, SLAs or escalation process
  • Public review evidence is thin: 16 G2 reviews and 2 to 3 Gartner ratings, mostly for the GenAI Platform, with no Capterra reviews
  • Meta’s 49% stake led to reports that OpenAI, Google and Microsoft were pulling back, and roughly 200 staff and 500 contractors were cut in July 2025
  • Business Insider reported in June 2025 that Scale left confidential client files in publicly accessible Google Docs, and Scale said it disabled public sharing
  • Contractor labor disputes, including 2024 and 2025 wage and misclassification suits, and a Department of Labor probe that was dropped in May 2025

Our Verdict

Scale AI earns its Best in Support placement on the model of support, not on published proof. Pro and Nucleus customers get an assigned Engagement Manager or Field Engineer, labeling runs as a managed service with human review, and the GenAI Platform and Donovan carry listed government authorizations and a 4.5 Gartner Service and Support subrating. Rival Labelbox shows that published terms are possible: its Enterprise plan lists dedicated technical support, a shared Slack channel and an SLA. Scale does not. The caveat is that the evidence is weak. Scale’s support page gives weekday office hours and no response times, G2 has no support score for it, one G2 reviewer says advanced customization needed extra support engagement, and the Gartner subrating rests on 2 reviews. Add the Meta stake, the 2025 layoffs and the exposed Google Docs, and buyers should require written support terms, named contacts, data isolation commitments and a termination right before signing.

Resources

Resources & Documentation

Detailed materials for deeper evaluation

Customer Support Documentation

Support hours and who Pro and Nucleus customers contact

Data Engine Product Page

Data types, generative AI services, quality claims and customer logos

Data Labeling Page

Pre-labeling, ML checks, human review and customer testimonials

GenAI Platform Page

Connectors, deployment options, models and listed security certifications

Donovan Product Page

Agent Factory, model comparison and government authorization claims

Scale Evaluation Announcement

April 2025 update on model comparison, error modes and SEAL benchmarks

Mayo Clinic Partnership Story

How Scale and Mayo Clinic built clinical AI, including the 11 minute result

New CEO Announcement

July 2026 notice of Francis deSouza as CEO and the company’s stated priorities

What to Know

What to Know Before Buying

Key considerations for evaluating Scale AI
  • Pro and Nucleus accounts have an Engagement Manager to help set up projects
  • Custom domain workflows may need extra support engagement
  • Ask for pilot batches with agreed quality and turnaround targets
  • The GenAI Platform lists connectors for Confluence, SharePoint and S3 and deployment in your VPC on AWS, Azure or GCP. Data Engine work runs through API and project setup, so confirm formats and delivery methods.
  • Scale says the Data Engine scales from low-volume experiments to high-volume production. Costs grow with task volume and review passes, and a reviewer notes human review raises cost, so model spend as volume grows.
  • No rates are public. Ask about per-task pricing, rework and review charges, minimum commitments, platform fees, and whether Engagement Manager or Field Engineer coverage is included or extra.
  • Moving from another vendor or an in-house team means exporting labels, taxonomies, ontologies and guidelines. Ask for export formats, data deletion terms and what happens to your data if ownership of Scale changes.
  • Scale publishes no term, renewal, SLA or cancellation terms. Given Meta’s 49% stake, confirm data confidentiality, isolation from other customers, audit rights and exit terms in writing.

Alternatives

Compare Alternatives

See how Scale AI stacks up against competitors

Labelbox’s pricing page lists Free, Starter and Enterprise plans, with Enterprise listing dedicated technical support, a shared Slack channel and an SLA, and its homepage cites an Alignerr network of 2.6M+ experts and SOC 2 Type II. Scale publishes no plans or SLA, so compare written support terms.

Snorkel AI describes expert data development for frontier AI, with Expert Data-as-a-Service, curriculum-structured datasets, custom evals and benchmarks, and shows SOC 2 and HIPAA logos. Its site lists no prices or dedicated support offering, and it is narrower than Scale’s labeling plus GenAI and government range.

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FAQ’s

Frequently Asked Questions

Common questions about Scale AI

Scale publishes no prices, plans or free tier, and its pricing page is a demo request. Costs are quoted per engagement, and a G2 reviewer says pricing can add up quickly on larger labeling projects with human review. Request an itemized quote.

Scale’s support page lists 9 AM to 5 PM Pacific, Monday to Friday, excluding major US holidays, and says Pro and Nucleus customers contact an assigned Engagement Manager or Field Engineer. It lists no response times or SLAs, so get them in writing.

In June 2025 Meta took a 49% non-voting stake for about $14.3 billion, and Alexandr Wang joined Meta. Interim CEO Jason Droege said Scale stays independent and model agnostic. Reuters reported Google planned to cut ties, and OpenAI said it was winding down work with Scale, saying Meta was not the reason.

Scale’s GenAI Platform page lists SOC 2 Type II, ISO 27001, DoD IL4 and FedRAMP High. We could not load a trust page, so request the reports. Business Insider reported in June 2025 that Scale left client files in public Google Docs.

Yes. Former workers sued in December 2024 and January 2025, alleging misclassification and underpayment, and Scale disputes the claims and says it complies with the law. The Department of Labor probe was reported in March 2025 and dropped in May 2025, per TechCrunch.

Scale lists text, image, video and 3D sensor fusion including LiDAR, plus RLHF, red teaming and evaluation. Request sample batches to test quality.

Francis deSouza became CEO on August 10, 2026, per Scale. He was previously COO of Google Cloud and CEO of Illumina. Jason Droege, interim CEO since June 2025, is helping with the transition.

Common alternatives include Labelbox, Snorkel AI, Surge AI, Encord and SuperAnnotate.