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Release notes

Rime Arcana V3 Voices Now Available

5, Mar 2026

Telnyx now offers Rime Arcana V3 voices across Voice API, Voice AI Agents, and our standalone Text-to-Speech (TTS) service. Arcana V3 provides native multilingual codeswitching across 10 languages. Built for enterprise scale, Arcana V3 wins 64% of head-to-head comparisons against competitors on naturalness and engagement.

Key Benefits

Natural Codeswitching Conversations: Customers naturally mix languages mid-conversation, and Arcana V3 keeps up, switching between 10 languages in real time with no pauses, handoffs, or restarts. Built on Telnyx infrastructure that enables ultra low latency, the conversation feels human. Arabic, English, French, German, Hebrew, Hindi, Japanese, Portuguese, Spanish, and Tamil are all supported.

Streamlined Operations: No more routing callers to language-specialist agents or maintaining separate voice models per market. One deployment handles multilingual conversations end to end.

Consistent Brand Voice Across All Markets: Arcana V3 maintains the same tone, personality, and quality across every supported language, so customers get a unified experience no matter where they're calling from.

Why It Matters

Every language you don't support is a market you can't reach. Until now, going multilingual meant spinning up separate voice models, hiring language-specialist agents, or accepting robotic output that erodes trust. Arcana V3 removes those tradeoffs, so enterprises can open new markets from a single deployment without sacrificing the experience that wins customers over.

This release reinforces Telnyx's mission to be the central hub for voice AI infrastructure, where enterprises can access frontier models without architectural lock-in. All models are deployed on Telnyx's global private network, delivering consistent low-latency performance across regions. This lets your team focus on building voice AI experiences instead of managing vendor relationships, troubleshooting latency, or architecting around model limitations.

Getting Started

Via Voice API / Standalone TTS:

  1. Log in to your Telnyx Mission Control Portal account.
  2. Generate an API key for the TTS API.
  3. Navigate to Real-time communication → Voice → Settings → TTS Playground.
  4. Choose Rime as your voice vendor and Rime Arcana V3 as your TTS model.
  5. Send text to synthesize and receive an audio stream or file in real time.

Via AI Agents:

  1. Navigate to the AI Assistants section.
  2. Select Rime as your voice vendor in the voice playground section and Rime Arcana V3 as your TTS model.
  3. Build your AI agent with the selected voice in minutes.

Read our developer docs for Voice API TTS and Standalone TTS to learn more and see our pricing.