FiftyOne

6.2easy start · #11 of 28
in Image Annotation Software

Free to practise onnot on record
Free trialnot on record
Well documentednot on record
Runs where you workyes

Runs on api, Linux, Mac, self-hosted, Web, Windows.

FiftyOne is ranked #11 of 28 in image annotation software on The Geeks Club. It runs on API, Linux, macOS, Self-hosted, Web, Windows.

FiftyOne plans and pricing

All plans

Team Not published Contact sales 8 user seats · 16 guest seats · 4 VPUs · 2,800 hours/month compute · 1 production deployment · 1 dev/staging deployment · Unlimited data · Unlimited model inference voxel51.com · 5 Oct 2026

Growth Not published Contact sales 25 user seats · 100 guest seats · 20 VPUs · 14,000 hours/month compute · 3 production deployments · 3 dev/staging deployments · On-premise or air-gapped deployments · Premium enterprise support voxel51.com · 5 Oct 2026

Custom Not published Get custom pricing Unlimited user seats · Unlimited guest seats · Unlimited VPUs · Unlimited production and dev/staging deployments · Dedicated customer success team · Professional services voxel51.com · 5 Oct 2026

Compared on image annotation software

Annotation types: bounding boxes; polygons; segmentation masks; classifications; polylines; SAM2 click-to-segment instance segmentation
Image formats: JPEG; PNG; BMP
Model-assisted labeling: Yes
Dataset export: COCO; image directory; image classification directory tree; FiftyOne dataset; Python/CLI export
Team collaboration: Yes
API access: Yes

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The record

Purpose: FiftyOne Annotation for images helps identify samples for labeling, automate annotation with AI, and connect labeling with model evaluation.
Agentic labeling: Users can prompt a labeling agent in natural language to generate pre-labels and combine them with human review.
Image workflows: The image annotation platform supports multi-stage workflows with review stages, rejection loops, and quality gates.
Integrations: The official integrations documentation lists annotation integrations including CVAT, Label Studio, V7, and Labelbox, and vector search integrations including Qdrant, Redis, and Pinecone.
Deployment: FiftyOne deployment options include cloud or multi-cloud, hybrid, on-premise, air-gapped, and managed services.
Data handling: The security page states that FiftyOne does not store or transmit datasets and that data remains in the customer's environment.
Security: Voxel51 states that it maintains ISO 27001 certification and undergoes regular third-party penetration and vulnerability tests.
Sensitive data: FiftyOne supports data anonymization to protect personally identifiable and protected health information.
Support: The Team plan lists standard enterprise support, Growth lists premium enterprise support, and Custom lists a dedicated customer success team.
Intended users: Voxel51 describes FiftyOne as a platform for AI builders and machine-learning teams working with multimodal data at scale.
Company founding: Voxel51 says it was founded in 2018 at the University of Michigan by Professor Jason Corso and PhD student Brian Moore.
Founded: 2018

Where it ranks on The Geeks Club

Best Image Annotation Software in 2026#11 of 28

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Sources

voxel51.com/annotation/image· checked 5 Oct 2026
docs.voxel51.com/integrations/index.html· checked 5 Oct 2026
voxel51.com/security· checked 5 Oct 2026
voxel51.com/pricing· checked 5 Oct 2026
voxel51.com/about· checked 5 Oct 2026