Comparison

Doccano vs Scale AI

On the evidence we track, Scale AI leads this comparison with a composite score of 58/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Doccano40
★Scale AI58
Score
vioscaleAI score
Doccano40 / 100medium · 57%
Scale AI58 / 100low · 45%
Pricing
Free tier
Doccano✓
Scale AI✓
Model
Scale AIquote
Price level
Doccanofree
Scale AIunknown
Transparent
Doccano✓
Scale AI✗
Integrations
Count
Doccano0
Scale AI–
Security
Disclosure policy
Doccano–
Scale AI✓
Fedramp
Doccano–
Scale AI✓
Gdpr
Doccano–
Scale AI✓
Iso27001
Doccano–
Scale AI✓
Scorecard
Doccano4.6
Scale AI–
Soc2
Doccano–
Scale AI✓
Adoption
Dependent repos
Doccano7
Scale AI–
Github stars
Doccano10,798
Scale AI–
Activity
Commits last 30d
Doccano0
Scale AI–
Release
Cadence days
Doccano10
Scale AI–
History
Doccano20 items
Scale AI–
License
Spdx
DoccanoMIT
Scale AI–
Language
Primary
DoccanoPython
Scale AI–
Market
Availability
Content
Faq
Doccano5 items
Scale AI6 items

Capabilities

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

Capabilities
Model assisted labeling
Doccano-
Scale AI-
Programmatic labeling
Doccano✓
Scale AI-
Rlhf preference data
Doccano-
Scale AI✓
On prem private cloud
Doccano✓
Scale AI-
Open source
Doccano✓
Scale AI-
SOC2
Doccano-
Scale AI✓

What each one is

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

Doccano

An open-source tool that enables humans to label text data for machine learning tasks like text classification, sequence labeling, and sequence-to-sequence problems. Users can prepare labeled datasets for applications such as sentiment analysis, named entity recognition, and text summarization.

Independently observed

Scale AI

Leader

Provides private evaluation frameworks and leaderboards for assessing and comparing AI models, used by leading AI development teams.

Independently observed

Pricing

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

Doccano

Open source
as of verify ↗

Scale AI

Leader
HybridFree tier

Enterprise (contact sales) and Self-Serve pay-as-you-go tiers with free tier

  • EnterpriseContact sales
    • Enterprise-grade quality & SLAs
    • Access to Data Engine and Enterprise GenAI Platform
    • Dedicated customer operations support
    • Data annotation services
    • Data management
    • +1 more
  • Self-Serve Data EnginePay-as-you-go with free tier
    • Data annotation and management for ML projects
    • Quality optimization
    • Free tier: 10,000 images
as of verify ↗

Platform & deployment

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

Platforms
Web
Doccano✓
Scale AI✓
Deployment
Cloud / SaaS
Doccano✓
Scale AI✓
Self-hosted
Doccano✓
Scale AI✗
Still deciding?

Doccano or Scale AI: 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.