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Products that do what Real-time AI voice conversations with <0.5s latency does

Avaturn.live is a voice-to-voice AI assistant that lets you speak to an avatar in real time. We managed to reach <0.5 sec response time so that the conversation with an avatar feels more natural. Also what do you think about our lip sync? We were struggling a lot to reach our current level. Initial use case we're exploring: Automated product demos&#x2F;sales, where the AI avatar can showcase features and answer questions in real-time. Demo: https:&#x2F;&#x2F;dashboard.avaturn.live&#x2F;demo You can try talking to an avatar about anything

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    Generating uncanny AI avatars is now open source

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    Ojin106

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    Hey HN, it’s Russ - cofounder of LiveKit. An open source stack for building realtime AI applications. We’re sharing our first homegrown AI model for turn detection. Here’s a live demo: https:&#x2F;&#x2F;cerebras.vercel.app&#x2F; Voice AI has come a long way in the last year. We now have end-to-end systems that can generate a response to user input in 300-500ms — human level speeds! As latency reduces, a common problem that surfaces is the LLM responds too quickly. Any time there’s a short pause in a user’s speech, it ends up interrupting them. This is largely due to how voice AI applications…

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    High-quality text-to-speech, designed for developers

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    Turn text into lifelike videos instantly.

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    Clone any voice in 3 seconds – hyper-realistic and free

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    The most advanced AI avatar model in the world

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    Make an AI voice chat app in 21 lines of JavaScript

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    GPT-Live211

    Full-duplex voice for ChatGPT

    Jul 2026 · openai.com

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    Live voice changer & face filters for video selfies.

    2017

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    AI voices so real you won't believe it

    2023

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    One API to build production-ready voice agents

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    The AI meeting assistant that takes notes on phone calls

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    AI Avatars with natural expressions and perfect lipsync

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  19. 19

    Highly expressive and natural speech generation model

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    AI that feels human

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    Use your voice to create realistic AI speech in real-time

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    AI-powered talking avatar creator

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    Review code 5x faster with your voice

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    The first multi-turn voice AI model built for conversation

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