# stella vs The Lens Patent & Scholarly API — Fit & Features

Canonical: https://trutool.co/compare/stella-vs-the-lens-patent-scholarly-api
Author: Sandeep (https://trutool.co/authors/sandeep)

Compare stella and The Lens Patent & Scholarly API by use case, features, limitations, and evaluation questions.

## Compare fit, features, and limitations

### stella
Open-source legal workspace for documents, matters, contract review, and case-law research. Self-host or use our cloud. Usage-based AI, no vendor lock-in.
Best fit: People and teams evaluating legal & compliance for a specific workflow.
- Contract review
- Document workflows
Before you choose: Test a representative task, inspect outputs, and confirm integrations, permissions, data handling, licensing, and current costs.
Pricing: https://stll.app
- [Read stella profile](https://trutool.co/tools/stella): Read stella profile

### The Lens Patent & Scholarly API
The Lens serves all the patents and scholarly work in the world as an open and secure digital public good, with user privacy a paramount focus.
Best fit: People and teams evaluating legal & compliance for a specific workflow.
- Core product workflow
Before you choose: Test a representative task, inspect outputs, and confirm integrations, permissions, data handling, licensing, and current costs.
Pricing: https://www.lens.org/lens/user/subscriptions
- [Read The Lens Patent & Scholarly API profile](https://trutool.co/tools/the-lens-patent-scholarly-api): Read The Lens Patent & Scholarly API profile