The table corrected:
Metric rpi (Rust) Pi (TypeScript) Difference
--version 17.5 ms 169.5 ms 9.7x faster
Cold start 17.7 ms 189.5 ms 10.7x faster
RSS when ready 12.0 MiB 91.5 MiB 7.6x smaller
Install size 21.8 MiB ~385 MiB ~18x smaller