# Gradium — Gradbot: Vibe code voice agents in 50 lines of code

- Company: Gradium (gradium.ai)
- Announced: 2026-04-15
- Category: not stated
- Coverage: not counted
- Announcement: yes
- Group: announcements
- Source: https://gradium.ai/blog/gradbot
- Record: https://forck.live/items/18322-gradbot-vibe-code-voice-agents-in-50-lines-of-code
- Subject: Gradium TTS / Phonon

When we launched Gradium in December 2025, we started with the core models that power voice agents: best-in-class Text-to-Speech (TTS) and Speech-to-Text (STT). But having great STT and TTS models is only half the battle. To actually build a voice agent, you need to orchestrate these components: wire the transport layer, handle interruptions, manage conversation flow, coordinate tool calls, and sync everything in real time. In order to spin up client demos quickly, we built a minimal internal framework to handle the orchestration and design custom voice demos easily. Today we're sharing it with the community. Gradbot is an open-source framework for prototyping voice agents in minutes. Whether you're building a 3D NPC game or a travel booking assistant , Gradbot lets you go from idea to working voice experience in around 50 lines of code. Gradbot Core Voice agents need three streams running in sync: listening to the user (speech-to-text), deciding what to say (LLM inference), and speaking back (text-to-speech). At the center of Gradbot is a multiplexing engine written in Rust that coordinates these three pipelines in real time. …

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Record: https://forck.live/items/18322-gradbot-vibe-code-voice-agents-in-50-lines-of-code
Catalogue: https://forck.live/llms.txt
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