Choose your preferred environment
The Python 3.7 runtime is capable of running any framework, library, or binary.
The Python 2.7 runtime does not allow user provided libraries with C code, and has proprietary APIs.
Optimized to scale nearly instantaneously to handle huge traffic spikes.
Open source runtimes capable of running any framework, library, or binary.
Greater CPU and memory instance types.
Can access resources in the same Compute Engine network.
Python 2.7 and 3.6
No free tier. Application always has a minimum number of running instances. Most cost-effective for applications that serve traffic continuously.