# Cleanlab vs W&B Weave — Fit & Features

Canonical: https://trutool.co/compare/cleanlab-vs-w-b-weave
Author: Snehil (https://trutool.co/authors/snehil)

Compare Cleanlab and W&B Weave by use case, features, limitations, and evaluation questions.

## Compare fit, features, and limitations

### Cleanlab
Even today's Large Language Models (LLMs) still occasionally hallucinate incorrect answers that can undermine your business.
Best fit: People and teams evaluating ai evaluation & observability 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://help.cleanlab.ai/tlm/
- [Read Cleanlab profile](https://trutool.co/tools/cleanlab): Read Cleanlab profile

### W&B Weave
Trace and evaluate generative AI applications with a developer toolkit.
Best fit: AI engineers testing agent quality and monitoring production behavior.
- LLM tracing
- Evaluation datasets
- Experiment comparison
Before you choose: Use representative test cases and inspect evaluator failures. Check trace retention, sensitive-data handling, and usage costs.
Pricing: https://docs.coreweave.com/products/wandb/weave
- [Read W&B Weave profile](https://trutool.co/tools/w-b-weave): Read W&B Weave profile