What is Weights & Biases
Weights & Biases provides experiment tracking, model and dataset lineage, AI application tracing and evaluation, serverless inference and reinforcement-learning tooling.
Cloud plans
As of July 31, 2026, Free costs US$0 per month and includes up to five model seats, 5GB of monthly storage, 1GB of monthly Weave ingestion and community support. Pro starts at US$60 per month with a 30-day trial and is intended for organisations under 50 employees. It includes up to ten model seats, 100GB of monthly storage, 1.5GB of Weave ingestion, unlimited teams, team access controls, service accounts, CI/CD automations, alerts and priority support.
Pro overages are US$0.03 per GB of storage and US$0.10 per MB of Weave ingestion. It includes a temporary US$5 monthly inference credit. Enterprise uses custom pricing and can add a single-tenant region, HIPAA options, private connectivity, customer-managed encryption, SSO, automated provisioning, custom roles, audit logs and enterprise support.
Private hosting
Personal self-hosting costs US$0 for one user and personal projects only; corporate use is not allowed. Advanced Enterprise self-hosting is custom priced. Academic researchers can apply for a free Pro licence with up to 100 seats, 200GB of cloud storage and 25GB of monthly Weave ingestion.
Official source: Weights & Biases pricing.