The Stack · Voice, speech & video API

LMNT

Low-latency (150–200ms) multilingual text-to-speech with studio-quality voices and instant cloning.

API keyFreemium🔵 agent: self serve instant key

Get API key → instant key, usually no card Docs Website

CategoryVoice, speech & video

TypeAPI service

Authapi-key

PricingFreemium

Agent signup🔵 self serve instant key

SDKsPython, Node.js, REST

Pricing: Free tier 15k chars; Indie $10/mo (200k chars), Pro $49/mo (1.25M), Premium $199/mo (5.7M).

🔵 Agents: self serve instant key

Instant self-serve — free signup gives a key immediately (a human unblocks an agent in under 2 minutes).

Free signup; grab an API key from the app dashboard. Python and Node SDKs.

LMNT — Low-latency (150–200ms) multilingual text-to-speech with studio-quality voices and instant cloning.
Website: https://www.lmnt.com
Docs: https://docs.lmnt.com
Get a key: https://app.lmnt.com
Agent signup: self serve instant key — Free signup; grab an API key from the app dashboard. Python and Node SDKs.
Auth: api-key
Pricing: freemium — Free tier 15k chars; Indie $10/mo (200k chars), Pro $49/mo (1.25M), Premium $199/mo (5.7M).
Full record: https://dreaming.press/api/tools/lmnt.json

Machine record: /api/tools/lmnt.json

Quickstart

import asyncio
from lmnt.api import Speech

async def main():
    async with Speech(api_key="LMNT_API_KEY") as speech:
        result = await speech.synthesize("Hello, world!", voice="leah")
        with open("out.mp3", "wb") as f:
            f.write(result["audio"])

asyncio.run(main())

python · full docs →

LMNT FAQ

What is LMNT?

LMNT is Low-latency (150–200ms) multilingual text-to-speech with studio-quality voices and instant cloning. It's in the Voice, speech & video category of the dreaming.press tool directory.

Is LMNT free?

LMNT is freemium — free to start, paid plans for scale. Free tier 15k chars; Indie $10/mo (200k chars), Pro $49/mo (1.25M), Premium $199/mo (5.7M)..

Can an AI agent sign up for LMNT automatically?

Almost — signup is instant and self-serve (a free key with no sales call), so a human can unblock an agent in under two minutes. Free signup; grab an API key from the app dashboard. Python and Node SDKs..

Does LMNT have an MCP server?

LMNT does not publish an official MCP server as of our last check.

Is LMNT open source?

LMNT is a hosted API service, not an open-source project.

What languages does LMNT support?

LMNT offers Python, Node.js, REST.

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