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AI Voice Agent SDK - The open-source framework for real-time AI voice

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Real-time Voice AI Agents We are open-sourcing the easiest way for developers to build real-time Voice Agents and Virtual Avatars into any app—telephony, web, mobile, robotics, wearables, and beyond.

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Maker
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👋 Hey Product Hunt, I’m Arjun, co-founder of VideoSDK.

I'm beyond excited to launch our Open-Source AI Voice Agent SDK.

Today, voice is becoming the new UI. We expect agents to understand us, respond instantly, and work seamlessly across web, mobile, and even telephony. But, to achieve this, developers have to stitch together: STT, LLM, TTS, glued with HTTP endpoints and, a prayer.

This most often results in agents that sound robotic, hallucinations and fail in product environments without observability.

So we built something to solve that: End-to-End infrastructure to build, deploy, and monitor your AI Voice Agents

Here’s what it offers:

  • Global WebRTC infra with <80ms latency

  • Native turn detection, VAD, and noise suppression

  • Modular pipelines for STT, LLM, TTS, avatars, and real-time model switching

  • Built-in RAG + memory for grounding and hallucination resistance

  • SDKs for web, mobile, Unity, IoT, and telephony — no glue code needed

  • Agent Cloud to scale infinitely with one-click deployments — or self-host with full control

Think of it like moving from a walkie-talkie to a modern cell towers that handles thousands of calls.

VideoSDK gives you the infrastructure to build voice agents that actually work in the real world, at scale.

I'd love your thoughts and questions! Happy to dive deep into architecture, use cases, or crazy edge cases you've been struggling with.

 Design is so sleek and user-friendly!

Maker

 Thanks a lot for your kind words.

 very cool! Looking forward to trying out the sdk soon.

Maker

 Thanks a lot, Preet for your kind words.

this looks promising, makes your main product a full stack video & audio framework for building agents.

Congrats on the launch team!

Maker

 Thanks so much! Really appreciate the support! 🙌

Another amazing launch! Let's go team

Maker

   Thanks a lot for your support.

Congrats on the launch. .

Maker

  Thanks so much! Appreciate the support 🙌

Congrats on the launch! 🎉 This looks like a game-changer for voice AI development. The <80ms latency with global WebRTC infrastructure sounds impressive. Quick question - how does your native turn detection handle overlapping speech or interruptions? That's always been a challenge with voice agents. Also curious about the pricing model for the Agent Cloud vs self-hosting options!

Maker

 Thanks! 🙌 Super glad you found it interesting. Turn detection handles overlaps smartly in real-time — curious, are you exploring voice agents for a specific use case?

Congrats on the launch, team!!! 🥳

For Introducing Voice Agent SDK — an open-source framework to build real-time voice agents that actually work in production.

  • Built on VideoSDK, it empowers agents to join meetings, listen, speak, and think — all with under 80ms latency.

  • The cascading pipeline supports STT, LLM, TTS, VAD, and Turn Detection — fully provider-agnostic.

  • With A2A and MCP, you get multi-agent collaboration and seamless integration with external tools and services.

We can’t wait to see what the community builds with Voice Agent SDK — go create something amazing!

Maker

 Thanks so much! Really appreciate the support! 🙌

Video SDK's AI Voice Agent SDK with its low - latency infrastructure and modular pipelines is a great help for developers building real - time voice applications! For developers who want to integrate custom AI models into the SDK, does Video SDK's AI Voice Agent SDK support easy integration of custom models?

Hi, Arjun and team. Congrats on the launch!

Maker

 Thanks so much! We really appreciate your support.

Maker

 Thanks for your support.

This is a fantastic step toward making real-time voice AI more accessible to developers across platforms. Love that it's open-source — excited to see what the community builds with it! Congrats on the launch 🚀

Maker

 Thank you! We’re thrilled to see the excitement can’t wait to see what you and the community create with it! 🚀

Congratulations on the launch team Video SDK and .
Maker

 Thanks a lot, Chief.

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