Does Duffel 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 Duffel
Duffel lets businesses sell travel by shopping, booking, and managing flights, stays, and travel extras. It serves any business, from startups to large enterprises.
Summarized from its homepage on 6 Nov 2026.
What else Duffel uses
Duffel has evidence for 29 vendors. The strongest:
Cloudflare
ActiveCampaign
Anthropic
Evervault
Google Cloud
Linear
Other companies using OpenAI
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