| Price from | — | Free |
| Free plan | — | Yes |
| Free trial | — | — |
| Open source | — | Yes |
| Linux | Yes | — |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 0 | 2 |
| Spec score · LLM Evaluation Tools | 7.2 (#21) | 7.9 (#9) |
| Installation | The README instructs users to clone the repository, install requirements with pip, and download the en_core_web_sm spaCy model. | The documented installation uses Conda with Python 3, followed by pip install trulens; source development uses the GitHub repository and editable installation. |
| Purpose | HarmBench is an open-source framework for evaluating automated red teaming methods and LLM attacks and defenses. | TruLens evaluates and traces AI agents to help find failures and reduce costs while maintaining quality. |
| Support | The repository documentation invites users to submit a pull request for support for another cluster manager. | The getting-started documentation points users to a community Slack. |