Soprano

Visit Tool

Soprano is an audio & music tool that provides instant, ultra-realistic text-to-speech synthesis. It offers an ultra-lightweight, on-device model for expressive, high-fidelity speech generation at unprecedented speed.

Claim this tool

2Views

At a glance

Pricing

Open Source

Free tier

Yes

API

Yes

Skill level

Technical

About

What is soprano?

Soprano is an ultra-lightweight, on-device text-to-speech (TTS) model designed for expressive, high-fidelity speech synthesis at unprecedented speed. It boasts features like up to 20x real-time generation on CPU and 2000x real-time on GPU, lossless streaming with low latency, and minimal memory usage with a compact 80M parameter architecture. Soprano supports infinite generation length with automatic text splitting and crystal clear audio generation at 32kHz. It offers widespread support for CUDA, CPU, and MPS devices on Windows, Linux, and Mac, and provides an OpenAI-compatible endpoint, ONNX, WebUI, CLI, and Python script for easy and production-ready inference.

Best used for

Ideal for content creators who need to quickly generate high-quality voiceovers, integrate real-time speech into applications, and produce audio content efficiently. Especially valuable for developers and creators seeking an ultra-lightweight, high-performance, and open-source text-to-speech solution.

Common actions

generate speech

synthesize audio

create voiceovers

integrate text-to-speech

"AI Agents"github copilotface swappingcollaborationdeepfakeautomated workflowworkflowsopen-sourcelow-code/no-code

Capabilities

Key features

Instant text-to-speech
Ultra-realistic speech
On-device processing
Low latency streaming
Multiple inference options
High-fidelity 32kHz audio
Compact 80M parameter model

Target Audience

content creator

Integrations

Not yet documented

Pricing & Plans

Open Source

Free

FAQs

What are the system requirements for running Soprano?

Soprano supports CUDA, CPU, and MPS devices on Windows, Linux, and Mac. For CUDA on Windows, you may need to explicitly reinstall PyTorch with the correct CUDA wheel after Soprano installation to ensure proper functionality.

Can Soprano be used for streaming audio generation?

Yes, Soprano supports lossless streaming with less than 250 ms latency on CPU and less than 15 ms on GPU. It also offers infinite generation length with automatic text splitting, making it suitable for continuous audio output.

What are the limitations of Soprano?

Soprano is currently English-only and does not support voice cloning. It was trained on 1,000 hours of audio, which may lead to mispronunciations of uncommon words, though this is expected to improve with more training data.

Trending

Subcategories trending in Content & Design

Image Generation AI Writing Assistants Video Generation Photo Editing Graphic Design Video Editing

Trending

Also listed in

This tool also appears in

AI Agents & Automation › AI Frameworks & Infra Coding & Development › Open Source & Models

Explore

Browse AI tools by category

Content & Design Productivity & Business Coding & Development AI Agents & Automation Research & Education Wellness & Lifestyle Career Development Marketing & Growth Data & Analytics Customer Support & CX Finance E-commerce