Does Notra 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 Notra
Notra is a GEO tool that asks ChatGPT, Claude and Gemini the questions buyers ask and shows whether a brand appears in the answers, who appears instead, and how to fix it. It serves teams tracking prompts across engines and languages, including founders, teams and agencies.
Summarized from its homepage on 6 Nov 2026.
What else Notra uses
Notra has evidence for 35 vendors. The strongest:
Cloudflare
Vercel
Autumn
Google
PostHog
Stripe
Tinybird
TypeSafe AI
Upstash
Other companies using OpenAI
Check any company's vendors in seconds
See Notra'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