As far as I know North American GM only has one yearly subscription:
Service Information, Programming Software, Diagnostic Software
Time Amount Price (EUR) 365 Day(s) 3.000,00 EUR
https://www.gme-infotech.com/info.html
There are more options from hourly to monthly contaning SPS and TIS.
Chevrolet on the other hand only offers SPS as a two hour subscription
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