=== Model Size Comparison ===
Best accuracy: medium (WER: 6.07%)
Fastest: tiny (2.73s)
Best balance: tiny

=== Engine Comparison ===
faster-whisper: WER=9.95%, Time=5.01s
openai-whisper: WER=9.95%, Time=6.17s

=== Variant Comparison ===
faster-whisper: WER=9.95%, Time=4.87s
openai-whisper: WER=9.95%, Time=6.51s
distil-whisper: WER=21.60%, Time=38.49s