# Blue J vs Onyx — Fit & Features

Canonical: https://trutool.co/compare/blue-j-vs-onyx
Author: Snehil (https://trutool.co/authors/snehil)

Compare Blue J and Onyx by use case, features, limitations, and evaluation questions.

## Compare fit, features, and limitations

### Blue J
Research tax questions with an AI-powered research platform.
Best fit: Researchers looking for answers grounded in relevant source material.
- Tax research
- Source retrieval
- Research workflows
Before you choose: Read original sources and verify citations, freshness, and applicability. Professional judgments still need qualified review.
Pricing: https://www.bluej.com/pricing
- [Read Blue J profile](https://trutool.co/tools/blue-j): Read Blue J profile

### Onyx
Search connected workplace knowledge with an open-source AI assistant.
Best fit: Researchers looking for answers grounded in relevant source material.
- Workplace search
- Knowledge connectors
- AI assistant
Before you choose: Read original sources and verify citations, freshness, and applicability. Professional judgments still need qualified review.
Pricing: https://onyx.app/pricing
- [Read Onyx profile](https://trutool.co/tools/onyx): Read Onyx profile