Polaris™ FMv2 is a foundation model for computational pathology, developed by StratifAI. It extends DINOv2 by fine-tuning on a large corpus of ~100,000 histopathological whole-slide images (WSIs) spanning diverse tissue types and staining modalities.
| Property | Details |
|---|---|
| Developer | StratifAI GmbH, Berlin, Germany |
| Version | FMv2 |
| Domain | Computational Pathology |
| Language | English |
| License | CC-BY-NC-ND 4.0 + StratifAI Additional Terms (see below) |
| Contact | info@stratifai.com |
LICENSE & TERMS OF USE
Please read the Terms of Use carefully before requesting access. By submitting your request you agree to be bound by them.
For clarity, Licensee = You and your institution.
License. This Model and associated code are released under the CC-BY-NC-ND 4.0 license and may only be used for non-commercial, academic research purposes with proper attribution. Any commercial use, sale, or other monetization of the model and its derivatives, which include models trained on outputs from the model or datasets created from the model, is prohibited and requires prior approval. By downloading this model, you agree not to distribute, publish or reproduce a copy of the model. If another user within your organization wishes to use the Model, they must register as an individual user and agree to comply with the terms of use. Users may not attempt to re-identify the deidentified data used to develop the underlying model. Outputs generated by Polaris™ FMv2 shall not be used as inputs to any model other than Polaris™ Breast ROR v1.0.
No Ownership Transfer. This license does not constitute a transfer of ownership. StratifAI GmbH retains full ownership of the Model, its weights, architecture, all associated Intellectual Property, and related Know-How. The underlying DINOv2 components remain subject to their terms and the Apache 2.0 license and are the property of Meta Platforms, Inc.
Findings. As part of our research collaboration, we request that you share a summary of your findings with StratifAI before any public disclosure or publication. This helps us improve the Model and support your work.
Primary Use Cases
- Validation studies with vetted research and clinical partners
- Benchmarking and performance evaluation in computational pathology
Out-of-Scope Uses
- Clinical deployment without regulatory approval
- Any commercial use without a separate written agreement
DISCLAIMERS & WARRANTIES
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The Model is provided "AS IS" without warranties of any kind, express or implied, including but not limited to warranties of merchantability, fitness for a particular purpose, or non-infringement. The Licensee acknowledges that the Model has not yet been approved by regulatory authorities for any clinical use, and that it is provided without any warranty or guaranteed availability. The Model is available for Research Use Only (RUO).
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Model outputs do not constitute professional or medical advice, including as a substitute for clinical judgment, diagnosis, treatment, or prevention of disease.
REVOCATION OF ACCESS
Revocation for Breach. StratifAI GmbH reserves the right to immediately revoke access to the Model, without prior notice, in the event of any breach of these terms
Open Source Components & Attribution
Polaris FMv2 is built upon DINOv2 by Meta AI licensed under Apache 2.0.
| Component | Author / Copyright | License | Link |
|---|---|---|---|
| DINOv2 | Meta AI — Copyright (c) Meta Platforms, Inc. and affiliates | Apache 2.0 | github.com/facebookresearch/dinov2 |
Statement of modifications: StratifAI GmbH has fine-tuned and adapted DINOv2 for computational pathology applications. All such modifications, fine-tuning, and derivative works are the exclusive property of StratifAI GmbH.
Contact
| Purpose | Contact |
|---|---|
| Access & research partnerships | info@stratifai.com |
| Legal & licensing enquiries | legal@stratifai.com |
| Press & marketing | marketing@stratifai.com |
StratifAI GmbH Karl-Liebknecht-Str. 29A, 10178 Berlin, Germany stratifai.com
Model card last updated: 29.04.2025 — Polaris™ FMv2