Benchmarking Whisper's Speed on Raspberry Pi 5 : How Fast Can It Get on a CPU?

TL;DR Need less RAM consumption : The Vanilla Whisper is slow but uses sub-1GB RAM Need top accuracy: Native Parakeet‑TDT‑v2 0.6 B scores 2.69 % WER at RTF 0.71, consuming 5.3 GB RAM. Best edge balance: Sherpa‑onnx Parakeet‑TDT 0.11 B lands 4.19 %...