Annotated Dataset
The best 50 Annotated Dataset AI tools - Free & Paid
Explore 50 AI for Annotated Dataset
Markup Annotation Tool converts unstructured data into structured datasets, streamlining the annotation process for NLP and ML applications. Powered by GPT-4, it enhances accuracy and efficiency, supporting rapid training dataset creation for improved model performance.
Free
Appen delivers humanâvalidated datasets across six domainsâalignment, agentic AI, speech/audio, multimodal, physical, and model integrityâusing automation and a global workforce of 1âŻmillion+ contributors. SOCâŻ2/ISOâŻ27001 certified, it supports largeâscale AI training and independent evaluation.
Freemium
Datature unifies data labeling, model training, and deployment in one workflow. AIâassisted annotation cuts labeling time up to tenfold. It supports classification, detection, segmentation, keypoint tasks, offers dragâandâdrop training, hyperparameter tuning, visual evaluation, and edge/cloud deploy
Free
FiftyOne is a visual AI platform that centralizes data curation, annotation, and model evaluation across images, video, point clouds, and metadata. It offers interactive slicing, automatic labeling with confidence scoring, roleâbased access, versioning, and openâsource integration.
Free
Data Services by Clickworker provides a crowdsourced platform for data collection, validation, labeling, and categorization, assigning microtasks to a global workforce. It delivers scalable, ISOâŻ27001âcompliant results and transparent workflow tracking for AI training and market research.
Freemium
- $13
Semantic Scholar indexes 230âŻmillion papers, offering AIâpowered semantic search that prioritizes relevance and citation impact. It provides contextual PDF annotations, a developer API, and export options for literature reviews, grant research, and teaching.
Free
BasicAI is an endâtoâend data annotation platform for image, video, audio, LiDAR, and text, offering AIâpowered labeling, collaborative workflows, realâtime QA, and private deployment, used by ML engineers in autonomous driving, robotics, and logistics.
Paid
SyntheticAIdata is a noâcode synthetic data platform that generates largeâscale, fully annotated computer vision datasets. It eliminates privacy concerns, reduces manual labeling, and supports cloud integration for rapid, balanced, inclusive model prototyping.
Free trial
People for AI offers dedicated inâhouse labeling teams for diverse machineâlearning datasets, ensuring consistent quality, data security, and GDPRâaligned handling. They support all annotation tools, from small proofs of concept to large production volumes, with continuous monitoring and reâannotati
Freemium
UnitLab is a cutting-edge, collaborative AI data annotation platform boosting efficiency by 15x through auto-annotation tools. It excels in various annotation types, project management, and automated tasks for accurate object detection and OCR in 123 languages.
Subscription
Label Studio is an openâsource platform for labeling images, audio, text, video, timeâseries, and PDFs. It offers customizable interfaces, preâlabeling with ML, multiâproject support, API/SDK integration, and quality gates that ensure consistent annotations, with export to CSV or databases.
Freemium
- $10
Innovatiana provides data labeling outsourcing services for AI models, specializing in various data types. Focusing on ethical practices, it offers competitive rates and data security, ensuring high-quality labeled data for AI model training across multiple industries.
Freemium
- $49/mo
Encord is a data development platform that streamlines data curation, labeling, and model evaluation for AI teams. It supports computer vision and multimodal tasks with advanced user management, customizable workflows, and comprehensive quality metrics.
Subscription
isahit provides human-centered data labeling and processing for computer vision, NLP, and speech, offering collaborative workspaces, secure API, customizable annotator training, quality control, and AI-assisted workflows (active learning, RLHF, RAG) to prepare data for model training.
Subscription
LightLayer provides scalable, richly annotated egocentric datasetsâsynchronized RGB, audio, IMU, and depthâvia distributed capture coordination, automated collection workflows, and streamlined annotation pipelines to produce delivery-ready data for embodied AI and robotic perception training.
Freemium
LAION offers free, large-scale visionâlanguage datasets such as LAIONâ400M and LAIONâ5B, along with the ClipâŻH/14 model. These resources enable researchers and developers to train and benchmark visionâlanguage models efficiently and sustainably.
Freemium
Sieve supplies large, annotated video datasets for training generative video, avatar, egocentric perception, and world-modeling systems, delivering time-synced, paired, and conversational training formats via API or storage with compliance and encryption.
Freemium
Anomalo automates data quality across structured, semiâstructured, and unstructured data in cloud lakes and warehouses. Using unsupervised ML, it detects anomalies, validates completeness, enforces governance without code, and offers lineage mapping and KPI tracking.
Subscription
Outlier DB efficiently detects outliers in datasets, highlighting anomalies to enhance data quality and accuracy. Its advanced algorithms streamline data analysis, improving dataset reliability for informed decision-making.
Freemium
T-Rex Label is an intelligent annotation tool that streamlines complex scene annotations across industries like agriculture, logistics, and healthcare, offering quick, accurate labeling through zero-shot detection, enhancing workflow efficiency and data management.
Freemium
Open Knowledge Maps is an AI search engine that visualizes scientific literature across disciplines, clustering related papers to reveal topic connections and trends. It supports varied document types, offers highâquality metadata, multilingual browsing, and openâsource integration.
Freemium
Prolific offers an APIâfirst platform for gathering highâquality, realâworld data from a diverse participant pool. It provides fully managed collection, audience targeting, and access to domain experts, enabling quick, representative studies for AI development.
Subscription
Roboflow streamlines computerâvision projects by offering a lowâcode pipeline for data annotation, GPUâaccelerated training, and multiâenvironment deployment. It integrates with PyTorch, TensorFlow, Hugging Face, major clouds, and meets SOC2 TypeâŻ2 and HIPAA security.
Freemium
Heptabase is a visual note-taking and knowledge management tool that enables users to create interconnected notes across various formats, annotate PDFs, and collaborate in real-time, enhancing the organization and understanding of complex topics.
Free trial
Agentic Document Extraction pulls structured data from PDFs, images, spreadsheets using visionâfirst parsing, preserving layout and delivering boundingâbox citations. Modular REST APIs and Python/TypeScript SDKs support onâprem or cloud deployment for regulated sectors needing traceable, accurate ex
Subscription
- $250/mo
AI Keywording processes up to 10,000 images per upload, using AI to generate titles, descriptions, and keywords for stock photography. Outputs a CSV ready for stock sites or Adobe Bridge, with temporary image copies deleted after processing.
Freemium
- $20/mo
ANDRE converts survey files (CSV, XLSX, SPSS, Google Forms, Typeform) into clean, visual reports in under 15âŻminutes, automating data cleaning, missingâvalue imputation, narrative analysis, and producing a singleâslide insights deck for rapid decisionâmaking.
Freemium
Hex unifies notebooks, conversational queries, and dashboards in a single workspace. It uses shared semantic context to offer reliable insights from Snowflake, BigQuery, Redshift, and more. Data scientists write code, while business users ask plainâlanguage questions via Threads or Slack.
Freemium
- $36/mo
Metatable is an AI-driven development platform that provides a seamless development experience with no coding required for developers to construct complete apps spanning front-end to backend, including infrastructure setup.
Freemium
ResearchRabbit is a webâbased research assistant that lets users begin with a single paper and expand to related authors, works, and topics. It generates citation and topic evolution maps, supports notes and annotations, and syncs with reference managers like Zotero.
Freemium
Kanaries transforms raw data into interactive visual insights with AIâassisted code completion for Pandas, RStudio, and Jupyter. Dragâandâdrop chart building, naturalâlanguage chat, realâtime collaboration, and offline desktop support streamline the entire exploration workflow across web and desktop
Subscription
Mostly AI is a dataâintelligence platform that generates synthetic and mock data with differential privacy, supports productionâdata querying via an AI assistant, and offers simulation tools for edgeâcase prediction. It facilitates collaboration and secure data sharing on Kubernetes or OpenShift.
Subscription
Roboto ingests ROS, PX4, MCAP, Parquet, and custom logs into searchable datasets with tags and metadata. It enables automated processing, anomaly detection, AIâpowered summarization, and collaborative event sharing via Python SDK and CLI.
Paid
CrowdView is a platform that allows users to view and share real-time video feeds from events around the world.
TwelveLabs extracts structured data from videos using AI models Marengo and Pegasus. Its APIs enable timeâbased search, onâdemand summarization, and vector embeddings for semantic search and recommendations, supporting media, advertising, and security workflows.
Freemium
- $0.07
Audionotes AI tool for effortless voice-to-text conversion, organization, summarization, and content generation.
Freemium
Oda Studio applies VisionâLanguage AI to automatically extract metadata from architectural drawings, convert charts into text, and fineâtune generative models for media. It offers endâtoâend data annotation, compute provisioning, and evaluation pipelines for enterpriseâscale insight generation.
Subscription
Athenic AI transforms plainâEnglish questions into deterministic SQL and instant visual answers, letting teams explore data without coding. It offers rootâcause research, anomaly alerts, dashboards, and scheduled reportsâall grounded in verified metrics for reliable insights.
Freemium
- $10
Wirestock connects creativesâphotographers, videographers, illustrators, designersâwith AI labs, offering freelance projects and a dashboard to track earnings and progress. It supplies ethically sourced, legally cleared multimodal datasets for model training and rapid access to fresh, highâquality d
Paid
MD.ai automates radiology reporting and dataset annotation, handling template selection, key finding mapping, impression generation, billing codes, and patient audio summaries. It integrates with HL7/DICOM, offers secure PHI detection, multilingual support, and AIâassisted annotator for highâquality
Freemium
AIâDriven Data Quality, Matching, and Enrichment provides API-first standardization, deduplication, and enrichment for company, person, address, and product data. It returns similarity scores, resolved entities, and realâworld attributes via REST, supporting batch CSV/TSV processing and database int
Subscription
- $9.99/mo
Nanonets automatically extracts structured data from invoices, receipts, IDs, and other documents without predefined templates. It offers endâtoâend workflows, native CRM/ERP integration, and a visual designer for rapid, noâcode deployment across finance, supplyâchain, HR, and legal operations.
Freemium
Athina lets teams build, test, and monitor AI features via a prompt editor and flow builder for any model. It offers dataset comparison, SQL queries, evaluation suites, human QA, code execution, observability, selfâhosted deployment, SOCâ2 compliance, and cloud integrations.
Freemium
AnthemScore 4 is an AI-based music transcription software that offers free trial and purchasing options including Lite, Professional, and Studio editions.
Free trial
PlantIdentification AI Tool: Offline/embedded image recognition app for identifying plants from a database of 10,000+ species. Supports citizen science initiatives, facilitating fast plant identification for enthusiasts and researchers.
Free
Speechnotes is a webâbased speechâtoâtext tool for realâtime dictation and batch transcription in multiple languages. It offers speaker tagging, timestamps, subtitle export, and imports from Google Drive, YouTube, or local files. Export to text, markdown, PDF while preserving privacy.
Freemium
- $1.9/mo
Analytics Model consolidates data from 500+ connectors, supports onâpremises and cloud sources, and offers naturalâlanguage querying to generate charts, pivot tables, and dashboards automatically, enabling nonâcoding analysts to obtain instant insights, receive alerts, and integrate via APIs.
Free