Added Jun 29, 2026

Label Studio

Open source data labeling tool for various data types and M/L integration.
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Overview
What is Label Studio?

Label Studio is an open source data labeling tool that supports multiple projects, users, and data types in one platform. It allows for different types of labeling with various data formats and integrates with M/L backends. It's a flexible platform for fine-tuning LLMs, preparing training data, or validating AI models.

Open source data labeling tool for various data types and M/L integration.

Core Features
Support for multiple data types (images, audio, text, video, time series)
Configurable layouts and templates
Integration with ML/AI pipelines via Webhooks, Python SDK, and API
ML-assisted labeling
Connection to cloud storage (S3, GCP)
Data Manager with advanced filters
Multiple projects and users support
Popular Use Cases
  • Computer Vision: Image classification, object detection, semantic segmentation
  • Audio & Speech Applications: Classification, speaker diarization, emotion recognition, audio transcription
  • NLP, Documents, Chatbots, Transcripts: Classification, named entity recognition, question answering, sentiment analysis
  • Robots, Sensors, IoT Devices: Classification, segmentation, event recognition
  • Multi-Domain Applications: Dialogue processing, optical character recognition, time series with reference
  • Video: Classification, object tracking, assisted labeling
  • GenAI: LLM Fine-Tuning, LLM Evaluations, RAG Evaluation
How to use
  • Label Studio can be installed via PIP
  • Brew
  • Git
  • or Docker. After installation
  • you can launch the tool
  • import data
  • create projects
  • and start labeling using customizable tags and templates.
Pricing
Label Studio uses a Free pricing model. Pricing and features may change over time.
Community Edition
Free to use
Enterprise
Contact sales for pricing
Deal / Coupon
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Frequently Asked Questions

Product Timeline
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Verification
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Related Tags
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