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If you already use Weights & Biases, your work is still available in CoreWeave Forge. Your projects, runs, artifacts, and credentials are unchanged. On September 30, 2026, the address bar and the top of the screen changed. This page is a map from where things were to where they are now. It applies to Multi-tenant Cloud. If you use Dedicated Cloud or Self-Managed, see What did not change.

Addresses

The following table maps each address you used before to its Forge equivalent. Two details are worth remembering:
  • The Weights & Biases app sits under /wandb. A link that used to read wandb.ai/acme/my-project is now forge.coreweave.com/wandb/acme/my-project. Old links redirect, so bookmarks keep working.
  • Settings and your profile don’t sit under /wandb. They sit at the top level of forge.coreweave.com, alongside the other Forge products. Team settings are the exception and stay with the app.

The top of the screen

The global header is new and belongs to Forge rather than to Weights & Biases. The following table maps each action you took in the old header to its Forge equivalent.

Where alerts went

Alerts moved. You now configure them in three places:
  • User settings > Alerts, for your own run notifications
  • Team settings > Team alerts, for a team’s Slack notifications
  • Organization settings > Usage & Alerts, for usage and spending thresholds

What did not change

The following did not change:
  • api.wandb.ai still works. Existing SDK scripts, CI jobs, and the mobile app keep running without changes. You don’t need to update the WANDB_BASE_URL environment variable.
  • Your credentials. Sign in with the same account you used before.
  • Dedicated Cloud and Self-Managed. Forge is Multi-tenant Cloud only. If you use a .wandb.io instance or run W&B yourself, your URLs, your sign-in page, and your product name are all unchanged.

Forge Home

An overview of every product in CoreWeave Forge.

Get started with Weights & Biases

Follow a quickstart for experiment tracking or for tracing LLM applications with W&B Weave.

Forge and CoreWeave identity

For administrators: how the two identity systems relate, and where you manage each one.

Infrastructure and Forge billing

For administrators: which types of charges belong in which billing system, and where each billing task belongs.
Last modified on September 30, 2026