Comparison

Appen vs Toloka

No clear leader: Appen (54.7) and Toloka (52.5) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Appen55
Toloka53
Score
vioscaleAI score
Appen55 / 100low · 39%
Toloka53 / 100medium · 58%
Pricing
Free tier
Appen–
Toloka✗
Model
Appen–
Tolokaquote
Price level
Appen–
Tolokaunknown
Transparent
Appen–
Toloka✗
Integrations
Count
Appen3
Toloka6
Security
Gdpr
Appen✓
Toloka✓
Hipaa
Appen✓
Toloka✓
Iso27001
Appen✓
Toloka✓
Soc2
Appen✓
Toloka✓
Trust center
Content
Faq
Appen6 items
Toloka7 items

Capabilities

Feature-by-feature on the axes that matter for data labeling. “-” means undocumented, not absent.

Capabilities
Model assisted labeling
Appen-
Toloka✓
Programmatic labeling
Appen-
Toloka✓
Rlhf preference data
Appen✓
Toloka✓
On prem private cloud
Appen-
Toloka✓
Open source
Appen-
Toloka✗
SOC2
Appen-
Toloka✓

What each one is

The product in its own terms, so the numbers below have context.

Appen

A data platform providing expert-reviewed training datasets, human feedback for model alignment, and quality assurance services to support the development and improvement of AI models at scale.

Independently observed

Toloka

Toloka is a data curation platform where users specify their annotation goals and an agent automatically assembles the complete data collection and labeling workflow. It combines a network of 200,000+ domain experts with AI-assisted quality validation to produce training datasets for language models, AI agents, and other machine learning systems.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Appen

Pricing not documented yet.

Toloka

Quote-based

Contact sales for pricing

as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Appen✓
Toloka✓
Deployment
Cloud / SaaS
Appen✓
Toloka✓
On-premise
Appen✗
Toloka✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Appen

3 total
  • IBM Watson
  • AWS
  • Azure
Independently observed

Toloka

6 total
  • Nebius
  • Microsoft Azure
  • Zendesk
  • Databricks
  • Tavily
  • Model Context Protocol (MCP)
Independently observed
Still deciding?

Appen or Toloka: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.