The GPUs are allotted to your submission on need-basis. In case your submission use GPU and you want to get it allocated, please use gpu: true in your aicrowd.json.
Versions we support right now:
nvidia driver version: 410.79
cuda: 10.0
NOTE: Majority of the challenges haven GPU enabled, this information should be available directly on challenge page or starter kits. In case you are not sure the challenge you are participating has GPUs, please reach out to us on Discourse.