466 ms median and 595 ms P95 time to first audio on Coval (30 days to October 22, 2026): Visible delay speed tier.
Benchmark summary: Visible delay speed tier on Coval's P95 (the voice becomes a visible part of the delay).
Guava Daytona TTS is an open-weights text-to-speech (TTS) API from Guava, measured by one independent benchmark, Coval.
Speed tier
Visible delayP95 of 320 ms or more. The voice becomes a visible part of the delay.
Data read October 22, 2026. No combined score: methodology
Gradium TTS vs Guava Daytona TTS Fastest TTS APIs, by speed tierOn Coval's 30-day window ending October 22, 2026 (1,920 runs from US East), Guava Daytona TTS starts speaking after 466.4 ms on a typical turn (median) and 594.8 ms on a slow turn (P95, the slowest one in twenty). That P95 is 25th lowest of the 32 models Coval measures, which puts it in the Visible delay tier: the voice becomes a visible part of the delay.
Neither Speko nor Artificial Analysis rates its voice quality.
Speko has not scored its pronunciation of numbers and dates.
No list price is published by Coval, Speko or Artificial Analysis for this model.
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