Does Altss 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 Altss
Altss provides data intelligence on companies, investors, funds and people for private-markets research. It serves emerging managers, IR teams and others doing fundraising, market research and institutional sales.
Summarized from its homepage on 7 Nov 2026.
What else Altss uses
Altss has evidence for 17 vendors. The strongest:
Vercel
Amazon Web Services
Auth0
Cal.com
DocuSign
Stripe
Anthropic
Microsoft
OpenRouter
Other companies using OpenAI
Check any company's vendors in seconds
See Altss'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