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The most flexible open-source data labeling platform for AI models and LLM fine-tuning.

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Reviews onCapterra
2 reviews tracked

The Bottom Line

Entry price

Free, no paid tier

Biggest pro

Open source labeling

Biggest con

Enterprise features paid

TL;DR - Label Studio

  • Open-source data labeling platform for various data types.
  • Supports LLM fine-tuning, evaluation, and ML-assisted labeling.
  • Flexible, configurable, and integrates with ML/AI pipelines and cloud storage.
Pricing: Free forever
Best for: Individuals & startups

What is Label Studio?

Editorial review
Label Studio is an open-source data labeling platform designed to help users prepare training data, fine-tune Large Language Models (LLMs), and evaluate AI models. It offers extensive flexibility with configurable layouts and templates that adapt to various datasets and workflows. The platform supports a wide range of data types including GenAI, images, audio, text, time series, and video, catering to diverse machine learning applications. Key features include ML-assisted labeling to accelerate the process, integration with cloud storage like S3 and GCP, and a robust Data Manager for exploring and organizing datasets. It's suitable for data scientists, machine learning engineers, and researchers who need to create high-quality labeled datasets for their AI projects. The platform also supports multiple projects and users, making it a versatile tool for teams. Label Studio provides comprehensive capabilities for LLM fine-tuning (supervised fine-tuning, RLHF), LLM evaluations (response moderation, grading, side-by-side comparison), and RAG evaluation (using Ragas scores and human feedback). It also covers computer vision tasks like image classification, object detection, and semantic segmentation; audio applications such as classification, speaker diarization, and transcription; and NLP tasks including classification, named entity recognition, and sentiment analysis.

Available on: Web, macOS, Linux

Pros & Cons

Pros

  • Open source labeling
  • Multi-type support
  • Self-hostable
  • Good UI
  • Active development

Cons

  • Enterprise features paid
  • Setup complexity
  • Learning curve
  • Resource intensive
  • Documentation improving

Ratings Across the Web

4(2 reviews)

Ratings aggregated from independent review platforms. Learn more

Key Features

Data labelingMulti-modal supportML integrationTeam collaborationOpen sourceCustom templates

Pricing Plans

Open Source

Free

  • Self-hosted
  • Unlimited projects
  • All labeling interfaces
  • Team collaboration
  • ML-assisted labeling
  • Data import/export

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Label Studio FAQ

What is Label Studio?

Label Studio is the most flexible open-source data labeling platform for fine-tuning LLMs, preparing training data, and evaluating AI models. It is developed by HumanSignal and trusted by NVIDIA, Meta, IBM, and Intel.

What features does Label Studio offer?

Label Studio supports images, audio, text, video, and time series; offers ML-assisted labeling, cloud storage integration with S3 and GCP, configurable templates, Python SDK and API, and multi-user project management.

What are the main use cases for Label Studio?

Label Studio is used for LLM fine-tuning and RLHF, computer vision tasks, audio transcription and emotion recognition, NLP entity extraction and sentiment analysis, time series analysis, and video object tracking.

Is Label Studio free?

Label Studio is open-source and free to use for the community edition. HumanSignal also offers enterprise features for larger teams with additional support and capabilities.

Source: labelstud.io

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