Looking to play around with LMNT? Visit the Playground.
LMNT offers two primary surfaces to build with our models, each suited for different use cases.
| Speech API | Speech Sessions API | |
|---|---|---|
| What it is | Turn text into speech | Stream text in from an LLM, realtime speech out |
| Best for | Content with preproduced text like voiceovers, localization, narration, audiobooks, etc | Turning your favorite LLM into a realtime voice agent, and keeping your voices consistent as you upgrade LLMs |
| Learn more | Speech API docs | Speech Sessions API docs |
Recommended path for new developers
Follow these steps to go from zero to a working LMNT integration.
- Make your first API call
Set up your environment, install an SDK, and generate your first speech with LMNT.
- Understand the Speech API
Learn the core request structure, how to get word timestamps if you want them, and generating conversational speech.
- Explore features
Discover what LMNT can do, including voice cloning, accents, and languages.
Develop with LMNT
Tools to help you build and scale your applications with LMNT.
Playground
Generate speech & clone voices in your browser.
API reference
Explore the full LMNT API and client SDK documentation.
Prompt engineering
Best practices for steering voice and text prompts to generate the speech you want.