---
title: Real-Time Speech-to-Text (STT) for Voice AI | Telnyx
canonical: https://telnyx.com/release-notes/stt-launch
---
# Real-Time Speech-to-Text (STT) for Voice AI | Telnyx

[Release notes](https://telnyx.com/release-notes)

# Telnyx speech-to-text (STT) is now available as a standalone, real-time API

### 17, Dec 2025

We’ve expanded our STT capabilities to make the [Telnyx Speech-to-Text API](https://telnyx.com/products/speech-to-text-api) available as a standalone service. So you can transcribe speech in real time, with or without a telephony workflow. With support for over 100 languages, sub-250ms latency, and enterprise-grade infrastructure, Telnyx STT is purpose-built for developers creating high-volume, real-time tools with voice features like AI assistants, real-time dictation workflows and multilingual user experiences.

We also expanded our STT engine options. Alongside existing support for Telnyx Speech-to-Text, Google Speech-to-Text and Deepgram, you can now use Azure Speech-to-Text through the Telnyx Speech-to-Text API, Voice API and Voice AI Agents.

## Key benefits

* **One API for multiple transcription engines**Access Telnyx, Google, Azure and [Deepgram](https://telnyx.com/resources/deepgram-flux-telnyx) speech recognition through one API. Easily switch between engines based on your needs.
* **100+ languages and dialects**Support global users with built-in transcription for widely used and regional languages from English and Spanish to Hindi and Swahili
* **Live transcription under 250ms**Stream audio and get fast, accurate transcripts in real time. Optimized for conversational tools and voice-driven workflows where low latency matters.
* **Secure and compliant by design**Enterprise-grade security and flexible data residency, including EU hosting for GDPR compliance.
* **Built for scale**A flexible API that supports high-volume, real-time streaming without any minute limitation based on package. Ideal for scaling voice features across any platform.

## What’s new

1. Standalone STT API
2. Azure Speech-to-Text support via Telnyx Speech-to-Text.
3. Expanded engine selection, including: Telnyx Speech-to-Text (Whisper), Google Speech-to-Text, Azure Speech-to-Text, Deepgram Nova 2, Deepgram Nova 3 and Deepgram Flux

## Why it matters

Voice input is becoming a core part of how people interact with apps whether powering real-time AI agents, delivering live captions, enabling hands-free note-taking, or building voice interfaces into smart devices. The Telnyx STT API gives developers a fast, reliable way to convert live speech into text, across 100+ languages, with low latency, 24/7 support, and effortless scalability.

## Getting started

1. **Sign up or log in** to your [Telnyx Mission Control Portal account.](https://portal.telnyx.com)
2. **Generate an API key** for STT API using the user icon on the right menu.
3. **Download** the Github project
4. **Choose your voice transcription engine**:Telnyx, Google, Azure or Deepgram
5. **Stream audio and get real-time transcription** in seconds.

Explore the Telnyx [developer docs](https://developers.telnyx.com/docs/voice/programmable-voice/stt-standalone) for detailed instructions and [learn the pricing.](https://telnyx.com/pricing/speech-to-text)

[Start building](https://telnyx.com/sign-up)

### Ask AI

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