Pathology Without Barriers
From comprehensive WSI datasets to digital workflows, we empower pathologists and researchers to accelerate cancer research and discoveries without the usual hurdles.
Trusted by thousands of researchers at leading organizations
Pathology AI for Everyone
AI Autopilot
Minutes to Build, Pennies to Run. Commercial Pathology AI Made Simple, Fast, and Affordable.
Pay Only for Compute
Access to our 66,000+ slide dataset is free of charge. You only pay for the GPU time you actually use.
No Infrastructure Setup
Fully managed platform — no GPUs to provision, no pipelines to configure.
No Engineering Required
Prompt-based interface powered by AI agents you already use.
The World's Largest WSI Data Hub
At Your Fingertips
Access thousands of high-quality, curated whole slide images.
Choose from variety of tissues, stains, clones and diseases.
Secure full perpetual commercial license suitable for research and development.
Nothing to negotiate, transparent and competitve pricing
Pay and go. Cohorts are formed and available for download within minutes.
Analyze statistical distributions of your cohorts before you buy.
Removing Hurdles. Accelerating Research.
Huge curated diverse pathology and WSI dataset with transparent pricing and licensing.
Cloud-native slide sharing, viewing & annotation.
Cloud-based scalable storage on Microsoft Azure.
CellDX Platform
A Complete Digital Pathology Environment
Buy curated WSIs with commercial licenses.
Seamless cloud-based exploration and collaboration.
Variety of tools for manual slides annotation.
Fast growing library of SOTA specialized pathology models.
From managing slides to simultaneous annotation, CellDX has you covered.
Train and deploy custom pathology AI models in minutes — no coding required.
Built for Every Stakeholder in Pathology.
Pathologists. Save time with intuitive tools and AI-assisted workflows.
Researchers. Access the largest datasets and accelerate discoveries.
Pharma & Biotech. Accelerate biomarker development with AI models trained on diverse patient cohorts.
Trusted by Innovators. Driven by Open Source.
HistAI is the largest open-source contributor in the industry
News & Publications
News
5/26/2026
HistAI's CellDX Data Hub has reached 300,000 whole slide images — a diverse collection of benign and malignant cases across various organs and indications, available for self-service exploration and purchase via the platform UI or AI agent skills.
5/13/2026
Train a deployable WSI classifier on a real, commercial-grade dataset in about 20 minutes for under $10
2/24/2026
HistAI has added 50,000+ new whole slide images to CellDX DataHub, bringing the total to 212,000+ slides, including 48,333 IHC slides — all available for immediate access via the platform and AI workflows.
Publications
Alexey Pchelnikov, Aleksei Pchelnikov · arxiv · 5/11/2026
CellDX AI Autopilot lets users without machine learning expertise build, tune, and deploy whole slide image classifiers through conversational AI, cutting hyperparameter tuning costs by over 30x.
Dmitry Nechaev, Alexey Pchelnikov, Ekaterina Ivanova · arxiv · 5/17/2025
The HISTAI dataset is a large, open-access collection of over 100,000 multimodal whole slide images with rich metadata.
Dmitry Nechaev, Alexey Pchelnikov, Ekaterina Ivanova · arxiv · 4/7/2025
The SPIDER is the largest open-access, patch-level dataset spanning multiple organs with expert annotations and strong baseline models.
CellDX Pricing
Start
Billed annually
- 2GB Storage included
- 10 AI Widget runs
- Access to Data Hub (300,000+ whole-slide images)
- Free 66,000+ slides datasets for AI Autopilot
- Custom AI models with AI Autopilot
- Real-time multi-user collaboration
- API Access
Personal
$20 GRANTBilled annually
Everything in Start, and:
- $20 credits grant for registration
- 10GB Storage included
- 20 AI Widget runs
- Advanced WSI labelling tools
- Optimized performance
- Powerful GPU instances
Business
Everything in Personal, and:
- Download custom models trained with AI Autopilot
- Up to unlimited storage or clients' storage
- Up to unlimited AI widgets runs
- DataHub discounted pricing
- Unlimited seats
- Task management and tracking
- Role-based access
- Download manual and auto annotations
- Shared Workspaces
- GPU queue priority
- Custom integrations
DataHub WSI Pricing
Prices are per slide. We apply tiered rates to your counts for each slide type and sum across tiers to compute the total.
| Quantity | H&E | Other |
|---|---|---|
| 1–99 | $5.00 | $40.00 |
| 100–999 | $4.00 | $32.00 |
| 1000–9999 | $3.00 | $27.00 |
| 10000+ | $2.00 | $23.00 |
AI Autopilot Dataset
Pre-extracted feature datasets are included with every plan — train and fine-tune your own models with AI Autopilot at no extra cost.
| Dataset | Slides | Price |
|---|---|---|
| AI Autopilot Dataset | 66,000+ | Free of charge |