Labelbox
Labelbox: A quality-focused image annotation platform with curation, model assistance, and cloud integrations. Ranked #8 of 28 in Image Annotation Software by our editors (8.3/10); pricing: Free plan; best for teams prioritizing quality control and data curation.
At a glance
- Editor score8.3 / 10
- PricingFree plan
- Best forTeams prioritizing quality control and data curation
- Free planYes
- Model-assisted labelingYes
- Founded2018 · San Francisco, California, United States
- Facts checked20 Sep 2026
Where it wins
- Model-assisted pre-labeling supports faster image annotation workflows.
- Quality controls include benchmarks, consensus, review, and monitoring.
- Connects with AWS S3, Google Cloud Storage, Azure Blob Storage, BigQuery, and Databricks.
Where it doesn't
- The verified image scope is narrower than some broader annotation platforms.
- Category specifications list JPEG as the supported image format.
- Paid plans span Starter, Standard, and Enterprise, requiring tier selection.
Our verdict on Labelbox
Labelbox is a cloud platform for creating and managing training data for AI systems. It is designed for machine-learning teams, AI labs, and enterprises building computer-vision, language, multimodal, and generative-AI systems. For image work, it supports classification, bounding boxes, segmentation masks, and radio classification through web and API access. The platform also includes collaboration for internal labelers, vendors, and labeling services.
Quality control and dataset curation are central strengths. Teams can catalog datasets, filter records, run similarity searches, and manage curation workflows. Benchmarks, consensus, review, and performance monitoring provide several ways to evaluate labeling quality. Model-assisted labeling uses computer-vision models for image pre-labeling, while prediction workflows and export tools support labels, predictions, metadata, attachments, and project data. This makes Labelbox a strong fit when organizing and reviewing training data matters as much as drawing annotations.
The platform fits teams that already work with cloud data systems. Integrations include Amazon S3, Google Cloud Storage, Microsoft Azure Blob Storage, BigQuery, and Databricks, with Python SDK and API access for importing data, managing projects, and exporting results. A free tier includes 10,000 free LBUs, while the published plan structure includes Starter, Standard, and Enterprise options. Buyers should choose Labelbox for quality-focused image data operations and programmatic workflows; teams seeking a broader verified annotation scope or a narrowly focused, simpler tool may prefer an alternative.
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Labelbox pricing
Labelbox fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Not verified |
| Annotation types | bounding boxes, segmentation masks, image classification, radio classification |
| Image formats | JPEG |
| Model-assisted labeling | Yes |
| Dataset export | JSON, NDJSON, CSV, BigQuery, Databricks |
| Team collaboration | Yes |
| API access | Yes |
| Deployment | Cloud |
| Platforms | Web |
| Compliance & security | SOC 2, GDPR, HIPAA |
| Support | Docs |
| Built for | Mid-market, Enterprise (editorial estimate) |
| Integrations | 5 integrations: Amazon S3, Google Cloud Storage, Microsoft Azure Blob Storage, BigQuery, Databricks |
| Pricing | Free plan |
| Website | labelbox.com |
| Facts checked | 20 Sep 2026 |
Labelbox integrations
Labelbox lists 5 integrations on its own site.
- Amazon S3
- Google Cloud Storage
- Microsoft Azure Blob Storage
- BigQuery
- Databricks
Alternatives to Labelbox
- PixanoA flexible open-source choice for teams annotating 2D and 3D vision datasets.9.0
- CVATA broad CV workflow spanning manual, AI-assisted, collaborative, and programmatic annotation.8.9
- Label StudioFlexible image annotation with open-source deployment, AI assistance, and broad exports.8.8
See all Labelbox alternatives →
Labelbox vs the competition
- Labelbox vs Pixano
- Labelbox vs CVAT
- Labelbox vs Label Studio
- Labelbox vs Roboflow
- Labelbox vs FiftyOne
- Labelbox vs Supervisely
Compare Labelbox with any tool side by side →
Also Ranked In
Labelbox is ranked in 4 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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