A billion-parameter voice AI is now open source Sesame AI just dropped CSM-1B - the voice engine behind its viral assistant Maya. - Fully open. - Apache 2.0 license. - No paywalls. No permission needed. Here's everything you need to know:

This isn’t just another “research release.” → 1B parameters → Hyper-realistic voices → Text or audio input → No fine-tuning required → Free for commercial use It’s basically giving every startup access to Hollywood-level voice generation.

CSM-1B uses the same tech as Google’s SoundStream and Meta’s Encodec. But instead of hiding it behind a paywall… Sesame just said: “Here’s the model. Build whatever you want.” Check it out here:

The implications are massive: → AI phone reps that sound better than humans → Personalized assistants for creators and coders → Next-gen tools for accessibility and education → Indie devs competing with ElevenLabs on zero budget

Let’s be real: OpenAI charges you for API calls. ElevenLabs locks you into subscriptions. Google keeps its best voice tech locked down. Sesame just nuked the pricing model.

But there’s a dark side. This model is almost restriction-free. → No technical limits on misuse → Just an ethical guideline → Anyone can use it to clone voices, create deepfakes, spread misinformation We're entering the “deepfake arms race” era—and it’s open-source.

Still, this might be the most democratizing move in voice AI since Whisper. Small teams, solo devs, and open-source communities now have a billion-parameter head start. Voice is the next frontier—and now it’s a free-for-all.

Follow me for more AI drops and no-BS takes. Would you build with open-source voice AI? Or do you think this is opening Pandora’s box?

P.S. AI Voice Agents don’t just answer calls, they close deals, set appointments, and follow up instantly. Want to automate your sales pipeline? Let’s talk. Learn more here:

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this post is misleading: CSM-1B is far behind the actual model behind the experience one can have on ... take a look at what @Eliasfiz and @akv_13 are building instead for a truly premium experience with an open-spurce TTS model

repo hg 2025/03/13