6 posts tagged "latency".
Since 9 October 2026, SpeechifyAI takes an LLM's reply over a WebSocket as it is written. From Google Cloud us-east4 that day, the first word was audible 49 ms after the LLM finished its first sentence, against 68 ms with one HTTP request per sentence.
SpeechifyAI team
LiveKit's Speechify plugins, for Python and Node.js, add Speechify TTS to an AgentSession in one line. The Python plugin streams each sentence: 98 ms median to first audible audio from US East on 12 Oct 2026.
SpeechifyAI team
Simba 3.2 reached first audio in a median of 109 ms on Coval over the 24 hours to 9 October 2026, and Voice Arena read 123 ms p50 for its "Simba 3.2 Real-time" row on its US English board on 16 October 2026. What to measure before you pick a TTS API, and what cuts the wait.
SpeechifyAI team
Coval's independent benchmark measured Simba 3.2's median time to first audio at 379 ms on 13 September 2026 and 106 ms on 24 September, with the same model. What changed, why Coval counts leading silence, and how to reproduce it.
SpeechifyAI team
Which speech platform to pick when your chatbot has to talk. The decision is not voice quality, it is whether you need a TTS API or a full voice agent, plus how the model reads account numbers and order IDs back to a caller.
Luke Oliff
On the Artificial Analysis Speech Arena on 23 September 2026, Simba 3.2 was in the top five of 92 models at an Elo of 1,237, and the lowest-priced model in the top ten. How the leaderboard's Elo works, and what two independent latency benchmarks measured.
Luke Oliff
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