# TruLens

> Trace AI applications and score their behavior with evaluation tools.

TruLens helps users trace AI applications and score their behavior with evaluation tools. The product supports application tracing and lLM response evaluation. Starting points include investigate a weak answer and compare quality and cost across versions. Check the documentation, license, supported models, hardware requirements, and any separate API or hosting costs. Test on a small representative project before integrating it into an existing system.

## Quick facts

- Categories: QA
- Official site: https://github.com/truera/trulens
- Last checked: 2026-09-26

## Key features

- Application tracing
- LLM response evaluation

## Use cases

- Investigate a weak answer
- Compare quality and cost across versions

## Links

- Nextool.ai page: https://nextool.ai/tools/trulens/
- Alternatives: https://nextool.ai/alternatives/trulens/

Source: Nextool.ai (https://nextool.ai/tools/trulens/). Pricing and features change; confirm on the provider's site before relying on them.