Does wandb use OpenAI?
Yes
We hold strong evidence for this.
- The company names it in its own subprocessor list, a statement that this vendor handles its customers' data.
How we know
About wandb
Weights & Biases provides an AI developer platform for building AI agents, applications, and models. It serves AI teams and enterprises.
Summarized from its homepage on 8 Nov 2026.
What else wandb uses
wandb has evidence for 14 vendors. The strongest:
Amazon Web Services
Anthropic
ClickHouse
Datadog
Google Cloud
Hex
Microsoft Azure
Modal
Cloudflare
Other companies using OpenAI
Check any company's vendors in seconds
See wandb's full stack with a source for every vendor, and ask the same question about any company from the API, Claude or your browser.
- Every company and vendor, with its public source
- 100 API calls a month, plus MCP and the Chrome extension
- Work email only. No card, no sales call