Click to segment. Detect and classify with local AI, including zero-shot models. Scale with cloud AI, review with your team, then export or train with Vast.ai.
No credit card required.
Start with local or cloud AI. Refine every annotation.
Assign images and bring your team into the review.
Export your dataset, or train with your own Vast.ai account.
Start with annotations. Use local or cloud AI, review the results, then export your data or continue into training.
Choose a feature to explore the workspace
Create segmentation annotations with clicks, or select an object and find similar ones in the same image. WebGPU accelerates these workflows on compatible devices.
GPU acceleration depends on your browser and device. Supported workflows can fall back when it is unavailable.
Use WebGPU for click segmentation and similar-object search on compatible devices. Run supported local detection and classification models in the browser, including zero-shot models with your own labels.
Explore local AIProcess image batches with managed Cloud AI detection or classification. Choose the image range and confidence threshold, then follow progress as annotations are saved to your project.
See the included Cloud AI limitsImage annotation across different domains.
Vehicles, pedestrians, and road scenes.
Read the guide
Image annotation for research datasets.
Read the guide
Objects and parts in industrial image datasets.
Read the guide
Crops, fruit, and plants in your images.
Read the guideIllustrative use cases for image annotation.
Start here
For your first datasets and small team projects.
$0forever
Get started freeIncluded in Free Tier
Room to grow
Coming soonFor larger datasets, more cloud AI, and a growing team.
$49/month + tax
Included in Pro
Use local detection and classification models, including zero-shot models with your own labels, or managed Cloud AI detection and classification. Batch controls include image ranges, confidence thresholds, and progress tracking. Click segmentation and Select Similar use WebGPU on compatible devices.
Create assignments for single images or ranges, set priority (low, medium, high, urgent), add due dates and instructions, and track completion. Assignees see their tasks in a queue with status, priority, and project filters. Owners and reviewers monitor progress, view annotator metrics, and reassign work. Every annotation links to its assignment.
Invite teammates with owner, reviewer, or annotator roles, assign tasks, and filter queues by status, split, or assignee. When email delivery is configured, the service emails the invitation; otherwise the owner shares the generated invitation link manually. Audit logs and review workflows keep quality checks traceable.
Yes, by connecting your own Vast.ai account. LabelOp helps browse offers and monitor jobs, but does not provide or resell the GPU. Vast.ai terms, availability, quota, and charges apply to the project owner's credential.
Create named dataset version snapshots from the project team area, compare two versions to see what changed, and use audit logs for traceability. Snapshots capture annotation state so you can align training releases with a specific checkpoint.
Export to COCO JSON, YOLO, Pascal VOC XML, LabelMe JSON, CSV, TSV, CVAT XML, or JSONL in a single click. Exports preserve annotation metadata, confidence scores, and creator information. You can filter exports by label, split, annotator, or date range.
The hosted service uses access controls, encrypted transport, and encrypted saved provider credentials. No system can promise absolute security. Browser-side models can reduce third-party transfer, but you remain responsible for your device, storage provider, sharing settings, and backups.
Free Tier and Pro include defined limits for team members, projects, storage, and cloud AI usage. Pro gives you more capacity for larger datasets and cloud labeling batches. Local AI runs in your browser, where available memory also affects the size of the work you can process.
No. LabelOp does not currently fund or resell GPU usage. You can connect a Vast.ai account and control provider-side budgets and limits yourself.
Local AI. Cloud scale. Human control.
Start labeling free