# Weights & Biases

> Tools for training, tracking and evaluating AI models.

Source: https://trustkite.com/review/weights-biases/
Last updated: 2026-10-24

## Customer rating

No customer reviews on TrustKite yet.

## About Weights & Biases

Weights & Biases provides tools for machine learning teams to track experiments, version datasets and models, and evaluate AI applications. Its Weave product helps developers trace and evaluate applications built on language models.

It is used by AI research labs and companies training and deploying models. Weights & Biases was acquired by CoreWeave in 2025. A free tier is available for individuals. Teams use it to compare training runs, share results and keep a record of how models were built.

## Key facts

- Founded: 2017
- Based in: United States
- Category: AI Developer Platforms
- Pricing: Free plan + paid plans
- Available on: Web, API
- Website: wandb.ai

## Key features

- Experiment tracking
- Model and dataset versioning
- Weave for LLM app evaluation
- Dashboards and reports
- Collaboration

## Best for

- Machine learning engineers
- AI research teams
- Teams evaluating LLM apps

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