Donate to Python Tutor for ad-free + no AI Tutor wait times
PythonTutor.com is a nonprofit university project, but it needs substantial funding to keep running.
- We use ads, but some users want an ad-free experience.
- Users must wait 1 minute between AI Tutor chats, but some users want no wait times.

To use our premium site with no ads and no AI Tutor wait times*, make a $5 recurring monthly donation via credit card or PayPal at https://ko-fi.com/pythontutor

No account is needed to donate; enter your email address so we can email you site access instructions right away.

Ko-fi also has one-time donations, but only $5 monthly donors get the premium site with ad-free + no AI Tutor wait times.

*wait times for paid members are 5 seconds due to AI service limits, but in practice nobody runs into this limit since it takes more than 5 seconds to read a response and write back.
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