How many subprocessors does Weights & Biases use?

Weights & Biases lists 10 subprocessors on its published list, including AWS, Azure, GCP, Coreweave (Affiliate), and Clickhouse and 5 more.

Where does Weights & Biases process customer data?

The subprocessors named by Weights & Biases are located in United States, as stated on its list.

When was Weights & Biases's subprocessor list last checked?

ClauseTrail last checked Weights & Biases's subprocessor list on November 3, 2026. Lists are re-checked daily.

How do I find out when Weights & Biases adds or removes a subprocessor?

ClauseTrail monitors Weights & Biases's subprocessor list, DPA, privacy policy and terms and emails you the exact change — who was added or removed and what the page said before and after. The first vendors are free.

Weights & Biases Subprocessors List (November 2026): Changes and History

Weights & Biases names 10 subprocessors on its published list. Read from the vendor's own page and re-checked daily.

Last checked November 3, 2026 Official source ↗

Weights & Biases subprocessors (November 2026)

#	Subprocessor	Purpose	Location
1	AWS	Cloud hosting provider	United States
2	Azure	Cloud hosting provider	United States
3	GCP	Cloud hosting provider	United States
4	Coreweave (Affiliate)	Cloud infrastructure administration	United States
5	Clickhouse	Data hosting provider	United States
6	Datadog	Platform monitoring	United States
7	Hex	Analytics platform	United States
8	Anthropic	Generative AI services	United States
9	OpenAI	Generative AI services	United States
10	Modal Labs, Inc.	Agent sandbox	United States

Get an email when Weights & Biases changes its subprocessors

ClauseTrail re-checks this list every day and tells you exactly who was added or removed — including when a vendor starts sending data to an AI provider. The first vendors are free.

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Documents we track for Weights & Biases

Subprocessor list: checked November 3, 2026 wandb.ai ↗

Change history

Tracking since October 18, 2026. No change has been published since; additions, removals and document changes will appear here as they're published.

Weights & Biases subprocessors FAQ

How many subprocessors does Weights & Biases use?: Weights & Biases lists 10 subprocessors on its published list, including AWS, Azure, GCP, Coreweave (Affiliate), and Clickhouse and 5 more.
Where does Weights & Biases process customer data?: The subprocessors named by Weights & Biases are located in United States, as stated on its list.
When was Weights & Biases's subprocessor list last checked?: ClauseTrail last checked Weights & Biases's subprocessor list on November 3, 2026. Lists are re-checked daily.
How do I find out when Weights & Biases adds or removes a subprocessor?: ClauseTrail monitors Weights & Biases's subprocessor list, DPA, privacy policy and terms and emails you the exact change — who was added or removed and what the page said before and after. The first vendors are free.