Not the authentication method you used during sign up – ChatGPT Error
The current ChatGPT service operates as a web application functioning on the web. It relies on internet web browsers. The login process works similarly to other web applications. If your location or IP changes, or if you switch devices or browsers when logging into ChatGPT, you will need to log in again.
However, sometimes you may encounter the following error message when attempting to log in via email. Refer to this page for solutions to resolve the “Not the authentication method you used during sign up” error.
You tried signing in as "firstname.lastname@example.org" using a pasword, which is noo the authentication method you used during sign up. Try again the authentication method you used during sign up. Please contact us through our help center if this issue persists.
Reasons for encountering this error
- This error commonly occurs when using Gmail, Microsoft, or Apple accounts registered with ChatGPT.
- It arises when attempting to log in using the same account associated with these services.
- It can occur due to changes in user location, IP, device, browser, and other factors.
Not the authentication method – Troubleshoot
Please note that the troubleshooting methods shared here may not work for everyone. Some users in the community still experience issues that cannot be resolved using these methods. However, in most cases, the following steps should help. Give them a try:
Sign in through that service
If you created your account using an email provided by services like Google, Microsoft, or Apple, the authentication system integrates your registered email address with those services, which can lead to this error. To resolve it, click on the service button below the login window and proceed with logging in.
Clear browser cache and data
Try clearing the cache data of the web browser you were using for ChatGPT and then attempt to log in again. Some users in the official OpenAI community have reported resolving login errors using this method.
For instructions on how to clear cache and data for different browsers, Refer to the link below.
Try signing in from a different device.
If you encountered this error while attempting to log in to ChatGPT on a mobile device, try logging in from a PC. If you cannot log in from a PC, try accessing it from a mobile device.
The following methods are all the possible solutions you can try when encountering the error message “Not the authentication method you used during sign up.” If the methods mentioned above don’t resolve the issue, you can directly contact OpenAI or share your situation with the official OpenAI community. Alternatively, you can leave a comment below this post, and I’ll assist you in resolving the problem.