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ElevenLabs Conversational AI survey bot — reducing latency and robotic feel, plus initial delay issue

DEV Community·Vanshika Shah·6 months ago
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#ai#llm#nlp#performance#conversational
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Building a Czech-language outbound market research survey bot on ElevenLabs Conversational AI.

Current setup:

STT: Scribe v2.2 Realtime model

LLM: Qwen3.6-35B-A3B model, As per the 11labs portal, this has the lowest latency

TTS: V3 Conversational

Use case: automated survey calls in CZECH

Issues we're facing:

Initial delay — noticeable lag at the start of the call before the bot speaks. How do we reduce this? We want users to start a conversation by saying hi/hello, and then the bot introduces itself. Here, we are seeing some delay.

Overall latency — response time between user input and bot speaking feels slow compared to competitors like Sesame

Robotic feel — even with Conversational AI (which should handle naturalness), the voice still sounds robotic

We're already using Conversational AI for TTS, so I'm not sure what else we can tune to make it less robotic without sacrificing latency further.

Question: What else can we adjust — voice settings, LLM tier, prompt structure, or configuration — to…

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