Clarification on EC2 pricing

Question

Hi all,  
  
I'd like to use an instance with lots of vCPUs to benchmark a specific test I'm running locally.  
Let's assume I chose a compute instance, like c5.9xlarge at 1.818$/hour (or even more vCPUs like c5.24xlarge).  
  
If I create the instance, launch it, download and install some software (like gcc) and use it for one hour, and stop it, I will only pay 1.818 USD ?   
Do I need to pay if the instance is down ? If not, how long will it be kept ?  
  
Thanks for your help.

paul10 · Answer

Correct.

paul10 · Answer

Hi martinjean,  
  
I believe if you do on-demand pricing you will only be charged the hour, but you will still be charged for any EBS volumes backing the VM (even if the VM is stopped).  
  
See: https://aws.amazon.com/premiumsupport/knowledge-center/ebs-charge-stopped-instance/  
  
Thanks

martinjean · Answer

Thanks Paul,  
  
So if I delete my instance, I'll only be charged for one hour I guess.

Clarification on EC2 pricing

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