Weights & Biases

Freemium

ML experiment tracking

Data AnalyticsFreemium

Type

Saas

Founded

2017

Company

Weights & Biases, Inc.

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About Weights & Biases

Weights & Biases (W&B) is an AI platform that helps machine learning teams organize, track, and analyze their models. This comprehensive tool provides researchers and engineers with a secure, reliable, and efficient way to monitor their projects in real-time. W&B offers a wide range of features to help users better understand their models. It offers data visualization and version control, so teams can track and store their model’s results over time, as well as collaborate efficiently on projects. W&B also provides advanced features to help users optimize their AI models, such as hyperparameter optimization and automated model selection. This enables users to quickly identify which models are performing best, so they can make informed decisions about their projects. With W&B, users can quickly and easily track their projects, analyze their models, and make informed decisions, all in one place.

Key Features

Track and store results over time with version control.

Visualize data and monitor projects in real-time.

Automate model selection and optimize models with hyperparameter optimization.

Pros & Cons

Pros

Comprehensive platform covering experiment tracking, model management, and AI application evaluation
Free tier available for personal projects and academic research
Supports collaboration with unlimited teams (Pro) and team-based access controls
Integrates CI/CD, monitoring, and alerting for production workflows
Offers interactive visualization and reporting tools

Cons

Advanced features (e.g., larger storage, team controls, CI/CD) require paid plans
Free tier limited to personal development only, not corporate use
Pro plan costs $60/month, which may be costly for individual hobbyists
Some features like HIPAA compliance and SSO are only in Enterprise plan

Best For

Track and store results over time with version control.Visualize data and monitor projects in real-time.Automate model selection and optimize models with hyperparameter optimization.

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FAQ

What is included in the free plan?

The free plan includes AI application evaluations, tracing, scorers, AI model experiment tracking, AI assets registry lineage tracking, community support, up to 5 model seats, 5 GB storage per month, and 1 GB of weave data ingestion per month.

Is W&B free for academic research?

Yes, W&B is free forever for academic research. Researchers can apply for a free plan that includes unlimited projects, teams, and 200 GB of free cloud storage.

How much does the Pro plan cost?

The Pro plan starts at $60 per month, billed monthly. It includes all Free features plus unlimited teams for collaboration, team-based access controls, service accounts, priority email and chat support, CI/CD automations, and Slack/email alerts.

What enterprise features are available?

Enterprise plans offer custom pricing, single tenant option with region choice, HIPAA compliance, secure private connectivity, customer-managed encryption key, SSO, automated user provisioning, custom roles, audit logs, and enterprise support.