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Appen

AI training data provider with global annotation workforce for ML models.

3.9See reviews
#634 in Coding#881 in Automation
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Enterprise🪟 Web🪟 API
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About Appen

Appen provides high-quality training data for AI and machine learning models through a global workforce of over 1 million annotators. Services include data annotation, model evaluation, and responsible AI assessments.

Key Features

data annotation
model evaluation
multi language data
quality assurance

💰 Pricing

Enterprise

Project-based enterprise pricing.

ProfessionalCustom

Core platform features for small teams

EnterpriseCustom

Full platform, advanced security, dedicated support

Frequently Asked Questions

How much does Appen cost?
Appen is a paid tool. Project-based enterprise pricing.
What is Appen used for?
Appen is primarily used for Coding, Automation. AI training data provider with global annotation workforce for ML models.
What platforms does Appen work on?
Appen is available on Web, API.
What are the best alternatives to Appen?
Top alternatives to Appen include ChatGPT, Claude, GitHub Copilot. These tools offer similar functionality and may suit different budgets or workflows.

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📊 Comparison vs Alternatives

Feature
Appen logoAppen
PricingEnterpriseFreemiumFreemiumFreemium
Rating⭐ 3.9⭐ 4.8⭐ 4.8⭐ 4.6
Free Tier
Popularity
9%
100%
94%
92%

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Quick Stats

Rating
3.9
ReviewsExternal data
Coding#634
Automation#881
PricingEnterprise
Popularity
9%

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Last updated: 2026-03-28·Claim this listing
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