Top data annotation AI tools

SmartOne.ai provides high-quality data labeling and annotation services, transforming raw data into actionable intelligence for Enterprise and AI initiatives.

• Usage Based

SuperAnnotate is an enterprise-grade platform for AI data annotation, model fine-tuning, and dataset management that enables organizations to build, evaluate, and deploy AI models faster and more efficiently.

• Freemium

Opporture is a professional AI model training services provider in North America that helps companies optimize their AI technology through human-backed solutions and content services across multiple languages and industries.

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Keylabs is a comprehensive data annotation platform that combines AI-assisted tools for image and video labeling with advanced management capabilities. The platform offers high-precision annotation services across multiple industries with up to 99.9% accuracy.

• Free Trial

Argilla is an open-source collaboration platform that enables AI engineers and domain experts to build and maintain high-quality datasets for language model training, fine-tuning, and evaluation.

• Other

Datacurve provides high-quality, vetted coding data to build capable models and applications. Their data is curated by experienced software engineers, ensuring accuracy and robustness for generative AI and foundational model research.

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PIXTA AI is a comprehensive data marketplace platform that provides customized visual datasets and data annotation services for AI development, focusing on computer vision, audio, and language processing applications.

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UbiAI offers powerful tools for data annotation, LLM fine-tuning, and AI model deployment, enabling businesses to create custom AI solutions with high accuracy and efficiency.

• Freemium

Centrox AI is a full-cycle AI development company specializing in Gen AI solutions, offering services from data curation to deployment across healthcare, fintech, retail, and real estate industries.

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Defined.ai offers a vast marketplace of ethically sourced training data for AI development, along with expert services to ensure responsible and effective AI solutions.

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SKY ENGINE AI provides a 3D Generative AI Synthetic Data Cloud platform, enabling the creation of high-performing Vision AI models with improved accuracy and reduced development time.

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CVAT is an industry-leading data annotation platform designed for machine learning teams, offering comprehensive tools for image, video, and 3D data labeling with AI-assisted features.

• Freemium
• From 33$

Defined.ai is a leading marketplace for ethical AI training data, offering extensive datasets across speech, NLP, healthcare, and computer vision domains. Founded in 2015, it provides both off-the-shelf and customizable datasets for AI development.

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Encord is a comprehensive data development platform for visual and multimodal AI, enabling teams to manage, curate, and label various data types including image, video, audio, and documents for AI model training and evaluation.

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PublicAI is a decentralized AI data infrastructure platform that enables global contributors to participate in AI training data creation and annotation while sharing revenue. It offers multi-modal data collection, labeling, and model evaluation services.

• Freemium

Snorkel Flow is an AI data development platform that accelerates the creation of production AI applications by enabling programmatic data labeling, annotation, and development.

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GTS.ai (Globose Technology Solutions) is a pioneering AI data collection company with 25+ years of industry experience, specializing in providing high-quality datasets for machine learning, including image, video, speech, and text data collection and annotation services.

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syntheticAIdata is a platform that enables businesses to create high-quality synthetic data for training vision AI models, offering unlimited data generation with perfect annotations while ensuring privacy and regulatory compliance.

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Kili Technology is a data-centric AI platform providing tools and services for creating high-quality training datasets and evaluating LLMs. It streamlines the data labeling process and offers expert-led project management for machine learning projects.

• Freemium

Scale provides a data-centric platform for AI development, offering solutions for data annotation, model training, and generative AI applications.

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Your Personal AI provides enterprise-grade AI solutions to automate workflows, enhance decision-making, and drive business growth. Services include data collection, annotation, AI consulting, and custom AI development.

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