Orpheus TTS
An open text-to-speech model built on a language model, aimed at natural, emotionally expressive speech.
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About Orpheus TTS
Orpheus TTS is a speech synthesis model from Canopy Labs. You run it yourself from Python code, and the repository includes a PyPI package, a realtime streaming example, extra inference options and a list of supported emotion tags. Scripts for fine-tuning and pretraining are included for people who want to train their own voices.
A family of multilingual models was released in April 2025 as a research preview. It suits developers and hobbyists who want to run expressive speech generation on their own hardware rather than through a paid service.
Strengths
- Emotion tags for expressive speech
- Realtime streaming example included
- Fine-tuning and pretraining code published
- Installable as a Python package
Limitations
- No packaged desktop app; needs a Python setup
- Multilingual models are a research preview
Details
- Pricing
- FreeFree to download and run yourself.
- License
- Proprietary
- Developer
- Canopy Labs
- Platforms
- Command line
- How it runs
- Downloadable app
- Best suited for
- Developers who want to run expressive text-to-speech on their own hardware
- Categories
- Local AI tools, AI voice
- Last verified
- Added
Alternatives to Orpheus TTS
Compare allSoftware that can replace Orpheus TTS for an important use case, and what changes if you switch.
Zonos
An open-weight text-to-speech model with voice cloning that you run locally through a Gradio interface.
Zonos is an Apache-2.0 open-weight model with voice cloning from a short sample and a Gradio interface with Docker, but it is an early v0.1 release that needs a GPU.
Chatterbox
Open source text-to-speech model with zero-shot voice cloning.
Chatterbox is MIT licensed and adds zero-shot voice cloning from a very short sample, but it also lacks a GUI and is mainly used through code.
F5-TTS
Open-source text-to-speech model that can clone voices, with a local Gradio interface for running it.
F5-TTS adds voice cloning from a short reference recording and a local Gradio interface, while still needing a Python setup and ideally a capable GPU.
IndexTTS
A zero-shot text-to-speech system you run yourself, with control over emotion and speech duration.
IndexTTS offers zero-shot voice cloning with control over emotion and duration and a bundled web UI, but its license terms need checking before commercial use.
CosyVoice
An open-source multilingual text-to-speech model with zero-shot voice cloning, inference and training code.
CosyVoice is Apache-2.0 licensed with multilingual zero-shot cloning, a web UI, Docker and vLLM support, and it lists Linux and self-hosted platforms.
Fish Speech
A multilingual text-to-speech and voice cloning model you run yourself, with Docker images and a web UI.
Fish Speech is a self-hosted multilingual voice cloning model with a web UI and Docker Compose setups including AMD ROCm, and its license should be checked for commercial use.
Bark
Open source generative audio model for expressive multilingual speech.
Bark is MIT licensed and can produce nonverbal sounds like laughter, but it is slower, more resource-intensive and has had no repository update since mid-2024.
Kokoro
Small, fast open-weight text-to-speech model you can run locally.
Kokoro is a much smaller Apache-licensed model that runs fast and cheaply, trading the emotion tags and expressive focus for speed and lower hardware needs.
Similar software
Related functionality, not necessarily a direct replacement.
Kokoro-FastAPI
A Dockerized, OpenAI-compatible server for running the Kokoro-82M text-to-speech model on your own hardware.
AllTalk TTS
A local text-to-speech server with voice cloning, model finetuning, a settings page and a JSON API.
Speaches
A self-hosted, OpenAI API-compatible server for local speech-to-text, translation and text-to-speech models.
Piper
A fast neural text-to-speech engine that runs locally, even on modest hardware like a Raspberry Pi.
Coqui TTS
Deep learning toolkit for training and running text-to-speech models.
ElevenLabs
An AI voice platform for text to speech, voice cloning, dubbing, speech to text and music.
