Does Superhuman train AI on your data?
Yes, unless you opt out
“We also use information we collect to train our AI models. You can decide whether Superhuman can use your user content to train our AI models by adjusting the available training control(s) in your account settings.”
From Superhuman's privacy policy , checked Oct 28, 2026.
The rest of the data policy
Data retention
Kept as long as necessary; periods vary by data and settings
“We retain the data we collect for different periods of time depending on what it is, how it’s used, and how you configure your settings.”
Where data is stored
Not stated
Security and compliance
None stated
Similar tools that say they don't train on your data
“Your data will never be used to train third-party LLMs.”
Microsoft Recall“Recall does not share snapshots or associated data with Microsoft or third parties, nor is it shared between different Windows users on the same device.”
Screenpipe“does not use it to train AI or machine learning models”
Superhuman and your data: common questions
Does Superhuman use my data to train AI?
Yes, unless you opt out. Superhuman's policy says: "We also use information we collect to train our AI models. You can decide whether Superhuman can use your user content to train our AI models by adjusting the available training control(s) in your account settings." (checked Oct 28, 2026).
Can I stop Superhuman from training on my content?
The policy describes a way to opt out; the wording above says where. Plans for businesses often have different defaults, so check the terms of the plan you're on.
How long does Superhuman keep my data?
Kept as long as necessary; periods vary by data and settings. The policy says: "We retain the data we collect for different periods of time depending on what it is, how it’s used, and how you configure your settings."
Which email tools don't train on your data?
Among the closest alternatives, Shortwave, Microsoft Recall, Screenpipe say in their policies that they don't use customer content for training.
Business plans often carry different terms than free and individual plans. We record what the public policy says; the quote shows which plan it covers. See Superhuman's full profile or how other AI tools compare.