Miso One is the product-facing name for Miso Labs' Miso TTS 8B release, an open-weights English text-to-speech model built for expressive conversational speech and low-latency workflows.

Miso One may offer paid plans. Check the official website for the latest pricing.

How much does Miso One cost?

Miso One uses a freemium pricing model. Visit the official website for current pricing details.

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Added Jun 28, 2026

Miso One

Q: What are the main features of Miso One?

Miso One includes features such as 8B-parameter open-weights text-to-speech model, Expressive, conversational, and emotionally varied English speech, Low-latency architecture with a published 110 ms response claim, One-shot voice cloning and prompt-audio continuation capabilities, Discrete audio-code modeling using Mimi audio codes.

Open-weights 8B AI text-to-speech model for expressive English speech.

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Overview

What is Miso One?

Miso One is an open-weights, 8B-parameter text-to-speech (TTS) system developed by Miso Labs. It is designed specifically for producing highly realistic, expressive, and emotionally varied English conversational speech, making it ideal for voice-agent research and developer workflows. Built on a Sesame-style conversational speech model (CSM) architecture with Mimi audio codes, it features a highly optimized inference capability boasting a published low latency of 110 ms. In addition to text-to-speech generation, the model supports voice continuation and one-shot voice cloning from audio context with clear

Open-weights 8B AI text-to-speech model for expressive English speech.

Core Features

8B-parameter open-weights text-to-speech model

Expressive, conversational, and emotionally varied English speech

Low-latency architecture with a published 110 ms response claim

One-shot voice cloning and prompt-audio continuation capabilities

Discrete audio-code modeling using Mimi audio codes

48 kHz preview quality with built-in watermarking and safety checks

Popular Use Cases

Running low-latency conversational speech generation locally for voice-agent research
Generating high-quality, expressive voiceovers, narrations, and captions for creator content
Creating instant voice clones and personal voice models using brief, consented audio context prompts

How to use

Users can evaluate Miso One by reading its official model card on the repository or Hugging Face page
trying out the hosted web demo to check voice quality
or downloading the public 8B weights and inference code to run local benchmarks within their own CUDA environment. For hosted creator workflows
users can sign up and choose a subscription plan based on their required annual or monthly character capacity.

Pricing

Miso One uses a Freemium pricing model. Pricing and features may change over time.

Free tier

Includes free credits for initial testing with a maximum of 120 characters per conversion.

Basic (Annual Plan)

$4.95 per month

Billed annually ($9.90/month if monthly). Includes 960,000 TTS characters per year, 9,600 voice credits, up to 480 instant voice clones, private voice model creation, and email support.

Pro (Annual Plan)

$14.95 per month

Billed annually ($29.90/month if monthly). Includes 4,200,000 TTS characters per year, 42,000 voice credits, up to 2,100 instant voice clones, and priority support for voice workflows.

Enterprise (Annual Plan)

$24.95 per month

Billed annually ($49.90/month if monthly). Includes 9,600,000 TTS characters per year, 96,000 voice credits, up to 4,800 instant voice clones, and dedicated team priority support.

Deal / Coupon

No coupon listed.

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Frequently Asked Questions