Reflex lane first audio, p50
Then 82.1 ms 20 Aug 2026 Now 403.5 ms 17 Sept 2026 worse
- measured or observed
budget p95 300 ms
Show the numbers
| Date | Value | Evidence | Revision | Samples | Note |
|---|---|---|---|---|---|
| 20 Aug 2026 | 82.1 ms | MEASURED | 28fc5cb6 | 80 | Successive readings of the instant-answer lane's time to first sound, each checked by a planted-delay control. |
| 12 Sept 2026 | 395.2 ms | MEASURED | 5e8175f2 | 16 | Successive readings of the instant-answer lane's time to first sound, each checked by a planted-delay control. |
| 17 Sept 2026 | 403.5 ms | MEASURED | e00c6f1b | — | A quick acknowledgement starts playing in about 0.4 s (fallback voice). |
Readings from different voice paths are not directly comparable; each point names its path.
Test: tools/probes/probe_reflex_first_audio.py: wall clock from return of the injected transcribe callable to the real speaker's first audio write.