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Fastest TTS for Voice Agents: Latency Compared

This story is from 2026-09-10. It is preserved in the archive; the latest stories are on the live feed.

ElevenLabs publishes ~75ms for Flash v2.5, Deepgram 80ms for Flux TTS, Cartesia sub-90ms for Sonic, and Rime 37ms TTFA for Mist v3. We opened all four vendor pages on 10 September 2026 and traced every figure. None of them measures the same thing, and none of them is the number your callers will he…

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  1. 2026-09-10 15:26 · DEV Community — Machine Learning
    Fastest TTS for Voice Agents: Latency Compared

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