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A free start is advertised on the homepage with no credit card required. The exact limits of the free tier are not stated on the homepage.
Learn moreMultimodal annotation and QA workspace for production AI data
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Unitlab Annotate is a multimodal labeling workspace inside the Unitlab AI data platform, covering image, video, audio, text, document, medical, pathology, geospatial, and sensor annotation with built-in review workflows, consensus QA, dataset versioning, and model-assisted pre-labeling.
Unitlab Annotate is the annotation layer of Unitlab AI, an enterprise platform for curating, labeling, reviewing, and versioning training data. The core proposition is breadth: a single governed workspace covers image, video, audio, text, document, HTML, LiDAR, medical, pathology, geospatial, sensor, and tabular data, with more than 120 supported data formats claimed across those modalities. Teams that would otherwise stitch together a bounding box tool, a speech labeling tool, and a spreadsheet for project tracking can run the whole pipeline in one place. The practical workflow is built around reviewer and annotator roles sharing ontologies and dataset versions. Integrated workflows chain model pre-labeling, human correction, review, and quality gates, with rejected tasks routed back for correction rather than approved silently. A separate QA layer adds consensus checks, hidden benchmarks, and governed approval steps, and every label keeps a lineage record so changes stay auditable. A bring-your-own-model option lets teams plug existing models into the pipeline for pre-annotation, which is where the platform's efficiency claims come from. Useful extras include video and audio timeline synchronization, coupled text and image inspection for tasks like pairing a scan with a diagnostic report, semantic search over datasets, and an embedding view for spotting outliers and mislabeled samples before training. Fit is clearest for ML teams with production data operations: computer vision groups, robotics and drone companies, healthcare imaging teams, geospatial and remote sensing analysts, and academic research labs. The industry solution pages lean toward those verticals rather than toward general content work. Where annotation needs are narrow, a lighter single-purpose tool will be simpler and cheaper; Unitlab's value compounds when several modalities, reviewers, and dataset versions have to stay coordinated. The site does not publish feature-level pricing, and much of the offering is framed around demo-led enterprise sales. Expect a scoping conversation before you see numbers, and budget time for onboarding because the configuration surface (ontologies, workflows, QA rules, model integrations) is substantial.
A free start is advertised on the homepage with no credit card required. The exact limits of the free tier are not stated on the homepage.
Learn moreThe homepage does not publish prices or plan tiers. It advertises a free start with no credit card required and points to a pricing page and a demo booking route for details.
Learn moreSupport runs through a contact page and a demo request form. Documentation for APIs, SDKs, and CLIs is hosted on a separate docs site.
Learn moreTeams can plug their own AI models into the annotation workflow for pre-labeling. API, SDK, and CLI documentation exists for programmatic access, but the homepage does not list named third-party integrations.
Annotation across image, video, audio, text, document, HTML, LiDAR, medical, pathology, geospatial, sensor, and tabular data with 120 plus formats. Custom workflows chain model pre-labeling, human labeling, review, and QA. Dataset versioning, label lineage, semantic search, embedding views, video and audio timeline sync, text and image context linking, and bring-your-own-model pre-annotation round out the platform.
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