nowfound

AI · May 5, 2025

Real-time AI Voice Chat at ~500ms Latency

Have a natural, spoken conversation with AI! Contribute to KoljaB/RealtimeVoiceChat development by creating an account on GitHub.

Real-time AI Voice Chat at ~500ms Latency launched on May 5, 2025 with 524 votes, #29 of 7,905 launches that month and more than 99% of that year's launches. The site was still online in September 2026, 1 year on.

Visit github.com ↗Alternativestop 1% of May 2025

In plain words

This is an open-source AI voice chat system designed to enable real-time conversations with minimal latency of approximately 500 milliseconds. It allows users to speak to an AI and receive spoken responses with minimal delay, making interactions feel more natural and conversational. The project is hosted on GitHub, making it accessible for developers who want to implement or modify the technology. It targets developers and organizations looking to integrate low-latency voice interaction capabilities into their applications.

written from the facts on this page · September 2026

From the sources

This project lets you chat with a Large Language Model (LLM) using just your voice, receiving spoken responses in near real-time. Think of it as your own digital conversation partner. This project is no longer being actively maintained by me due to time constraints. I've taken on too many projects and I have to step back. I will no longer be implementing new features or providing user support. I will continue to review and merge high-quality, well-written Pull Requests from the community from time to time. Your contributions are welcome and appreciated! git clone https://github.com/KoljaB/RealtimeVoiceChat.git cd RealtimeVoiceChat Now, choose your adventure: This is the most straightforward…from github.com

Does a similar job

all alternatives →
  • WhisperFusion – Low-latency conversations with an AI chatbot2024 · github.com · ▲272

    WhisperFusion builds upon the capabilities of open source tools WhisperLive and WhisperSpeech to provide a seamless conversations with an AI chatbot.

  • Conversational AI 2.0 From ElevenLabs2025 · elevenlabs.io · ▲652

    Luke from ElevenLabs here. We just released Scribe Realtime v2, our new real-time Speech to Text model. We rebuilt it from the ground up around a new architecture that uses predictive transcription – it anticipates the next likely word before it’s spoken. That makes it both fast (around 150 ms latency) and highly accurate. Scribe v2 Realtime outperforms every low latency transcription model across 30 commonly used EU and Asian languages – 93.5% accuracy, compared to Gemini 2.5 Flash (91.4%), GPT-4o MiniTranscribe (90.7%), and Deepgram Nova 3 (85%). It supports 90+ languages including…

  • Voice bots with 500ms response times2024 · fastvoiceagent.cerebrium.ai · ▲315

    Last year when GPT-4 was released I started making lots of little voice + LLM experiments. Voice interfaces are fun; there are several interesting new problem spaces to explore. I'm convinced that voice is going to be a bigger and bigger part of how we all interact with generative AI. But one thing that's hard, today, is building voice bots that respond as quickly as humans do in conversation. A 500ms voice-to-voice response time is just barely possible with today's AI models. You can get down to 500ms if you: host transcription, LLM inference, and voice generation all together in one place;…

  • gpt-realtime-1.5 by OpenAIFeb 2026 · developers.openai.com · ▲300

    Tighter instruction adherence in speech agents

  • voicechat22024 · github.com · ▲196

    Open source voice chat infra that rivals GPT-4o

  • Chat Data 2.0 With Realtime Voice Rag2024 · chat-data.com · ▲215

    24/7 custom AI livechat + realtime voice chatbot

More ai this month

the category →
  • Video model that turns script into viral social media videos

    AI · 18d ago · spira.ai

  • The browser where Claude Code and Codex work beside you

    AI · 18d ago · rill.love

  • Kolibri is Aleph Alpha

    AI · 20d ago · tej.as

  • Paintings by AI models: programs run through a simulation of oil paint.

    AI · 21d ago · stillwet.art

  • A real-time world model you can explore and change

    AI · 30d ago · world.pixverse.video

  • Beam.win▲378

    Run AI agents on one Mac and use its windows on another

    AI · 5d ago · beam.win

Source: Show HN post ↗

Launched alongside, May 2025

the whole month →
  • Tapflow 2.0▲1,125

    We built Tapflow for devs, designers, PMs, and tech folks who’ve been sitting on internal docs, templates, and systems — but never productized them. Upload a PDF, notes, or workshop deck, and Tapflow drafts a structured product (with chapters, teaser and pricing plans). It’s good for AI kits, onboarding guides, design systems, and frameworks. You can sell through Stripe, LemonSqueezy, or PayPal. Real-time collaboration is in early beta. No site builder, no LMS — clean design and just focused tools to ship. Fully bootstrapped and just launched on PH today →…

    Work · 2025 · tapflow.ai

  • C9

    Life & fun · 2025 · felixrieseberg.github.io

  • Appwrite 2.0 brings a new engine, a rebuilt Console, five database types, an S3 API, an OAuth 2.1 server, and organization-level Domains and Firewall.

    Dev tools · 2025 · appwrite.io

  • Perfect meeting memory in Notion

    AI · 2025 · notion.com

  • Den▲948

    Multiplayer AI agent builder

    AI · 2025 · getden.io

  • Powerful productivity on the go

    AI · 2025 · raycast.com