Label Studio

The open source data labeling platform.

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Overview

Label Studio is a popular open-source data labeling tool that supports a wide range of data types and labeling tasks. Its flexibility comes from its configurable labeling interface, allowing users to create custom UIs for their specific needs. It can be self-hosted for free or accessed via Label Studio Enterprise, a managed cloud service from Heartex that adds features for team management, security, and support.

✨ Key Features

  • Open-source and highly customizable
  • Supports image, audio, text, time-series, and video data
  • Configurable labeling interfaces
  • Integration with machine learning models for active learning
  • Self-hosting option for maximum control
  • Enterprise version for team collaboration and management

🎯 Key Differentiators

  • Open-source and highly flexible
  • Supports a very wide range of data types and use cases
  • Strong community and developer focus

Unique Value: Provides a free, flexible, and extensible open-source platform for labeling any type of data, giving teams full control over their data and infrastructure.

🎯 Use Cases (5)

NLP (NER, classification, summarization) Computer Vision (object detection, segmentation) Audio Processing (transcription, speaker segmentation) Time-Series Analysis Conversational AI

✅ Best For

  • Annotating text for chatbot training
  • Labeling images for custom object detection models
  • Transcribing and labeling audio files for speech recognition

💡 Check With Vendor

Verify these considerations match your specific requirements:

  • Teams without technical resources to manage an open-source tool
  • Companies needing a large, managed workforce for labeling

🏆 Alternatives

doccano (for text) CVAT (for images) Prodigy

Offers much greater flexibility and broader data type support than more specialized open-source tools like CVAT or doccano.

💻 Platforms

Web API Desktop

✅ Offline Mode Available

🔌 Integrations

AWS S3 GCP Cloud Storage Azure Blob Storage Python SDK API

🛟 Support Options

  • ✓ Email Support
  • ✓ Live Chat
  • ✓ Dedicated Support (Enterprise tier)

🔒 Compliance & Security

✓ SOC 2 ✓ HIPAA ✓ BAA Available ✓ GDPR ✓ SSO ✓ SOC 2 Type II (Enterprise) ✓ HIPAA (Enterprise) ✓ GDPR (Enterprise)

💰 Pricing

Contact for pricing
Free Tier Available

✓ 14-day free trial

Free tier: The open-source version is completely free and self-hosted.

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