4 lines
991 B
Markdown
4 lines
991 B
Markdown
# `[2026-09-15]` Parakeet bench settled by tts-dev — FV wins at both clip lengths and beats the incumbent Whisper; IRV seat is now retirable.
|
|
|
|
**Parakeet bench settled by tts-dev — FV wins at both clip lengths and beats the incumbent Whisper; IRV seat is now retirable.** FV 155 ms / 391 ms on 1.84 s / 6.24 s clips vs IRV 354 / 1010 vs whisper-large-v3 457 / 690 — IRV is *slower than Whisper* at 6.24 s. Length sweep (n=9/cell, first 3 discarded) fits ~58 ms fixed + 56 ms per audio-second, asymptote ~17.8x realtime, which independently reproduces our 17x on a different harness. Gateway hop measured **below harness resolution** (±30 ms), so `ext-stt` is the right consumer path. ⚠ tts-dev retracted their own plan's 60-120 ms projection: **published RTFx is BATCHED THROUGHPUT, not single-stream latency — the two differ by ~200x.** ⚠ Their between-run variance is ±20% because GPU 0 is the live chat path; our 0.50 s median was taken on an idle GPU 3 and is a best case.
|