Airbnb Booking.com
On what the policies say, there's nothing between them. Both are graded D.
Airbnb
Airbnb develops and improves AI models using your personal information, and says so plainly. It also names an AI-specific preference you can set to stop it.
Verdict
D
- Trains on you by default
- A self-serve opt-out exists
- On by default. An opt-out exists, but you have to go looking for it.
- 5 Oct 2026
Booking.com
Booking.com uses your personal data to develop its machine-learning models and AI systems. The way out is the objection right, "subject to applicable law".
Verdict
D
- Trains on you by default
- Opt out by contacting support
- On by default. An opt-out exists, but you have to go looking for it.
- 5 Oct 2026
Airbnb: every plan
Airbnb · what each plan can refuse · checked 5 Oct 2026
All guests and hosts
YES
Self-serve toggle
Not stated
Not stated
Unknown
32 / 50
On by default, with a way out
15 / 33
One switch, but the policy never says which way it ships
0 / 4
No paywall on the control
1 / 4
2 kinds of data are in scope
2 / 4
The policy does not say whether people read it
2 / 2
Nothing is said about de-identification
All guests and hostsTRAINS: YES
- Self-serve toggle
- Not stated
- 52 / 100
- Not stated
- Unknown
Booking.com: every plan
Booking.com · what each plan can refuse · checked 5 Oct 2026
All accounts
YES
Contact support
Not stated
Not stated
Unknown
32 / 50
On by default, with a way out
18 / 33
Refusing means writing to the company
0 / 4
No paywall on the control
1 / 4
2 kinds of data are in scope
2 / 4
The policy does not say whether people read it
2 / 2
Nothing is said about de-identification
All accountsTRAINS: YES
- Contact support
- Not stated
- 55 / 100
- Not stated
- Unknown