The KittenTTS project offers a text-to-speech model described as under 25 MB in size.
The Best Chatterbox Alternatives in 2026
Looking for something like Chatterbox? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 16 are open source.
The Chatterbox project provides an open-source text-to-speech system for speech generation.
Top picks at a glance
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | KittenTTS | — | Yes | — |
| 2 | EmotiVoice | — | Yes | — |
| 3 | EspNet | — | Yes | — |
| 4 | Audiblez | — | Yes | — |
| 5 | Mmaudio | — | Yes | — |
| 6 | RVC V2 | — | Yes | — |
| 7 | Tortoise TTS | — | Yes | — |
| 8 | Voice Changer | — | Not stated | — |
| 9 | Voice Changer | — | Not stated | — |
| 10 | Kokoro | — | Yes | — |
All Chatterbox alternatives
EmotiVoice provides a multi-voice text-to-speech engine with prompt controls.
ESPnet includes tools for end to end speech processing and related speech tasks.
Audiblez creates audiobook files from EPUB e-books and offers a graphical interface.
MMAudio synthesizes audio from video and text through a multimodal joint-training approach presented at CVPR 2025.
RVC WebUI is a framework for training voice conversion models with short voice recordings.
Tortoise is a multi-voice text-to-speech system trained with an emphasis on quality.
Voice Changer
github.com/deiteris/voice-changerThe voice-changer project provides real-time voice changing for audio.
Voice Changer
github.com/w-okada/voice-changer/blob/master/d…The w-okada project provides a real-time tool for changing voices during audio use.
Kokoro provides an inference library for its open-weight 82-million-parameter text-to-speech model.
Clips AI
clipsai.comUse Clips AI, an open-source Python library, to convert long-form videos into shorter clips in developer editing workflows.
Gladia
gladia.ioGladia provides an API for recording, transcribing, and enriching multilingual audio into structured data.
Vosk provides an offline speech recognition API for mobile devices and servers, with several programming language interfaces.
The whisper.cpp project ports OpenAI’s Whisper speech recognition model to C and C++.
Generate audio from text prompts with Bark, a model for text-prompted audio creation.
insanely-fast-whisper accelerates Whisper transcription using Transformers, Optimum, and flash attention.
Audio-WebUI provides a web interface for different neural networks related to audio.
The whisper-ctranslate2 command-line client works with the OpenAI Whisper client and uses CTranslate2.
TTS-WebUI is a Gradio and React interface with extensions for speech, audio, and music generation tools.
Chatterbox
huggingface.co/spaces/ResembleAI/ChatterboxChatterbox converts text to speech and can use a short reference recording to guide the voice.
Superwhisper
superwhisper.comSuperwhisper turns speech into polished text for use in apps such as Slack and Gmail, with recognition options listed for four operating systems.
ai-coustics
ai-coustics.comai-coustics enhances speech audio in real time to improve input quality for voice recognition systems.
Applio provides free open source voice conversion, custom voice model training, and real time conversion.
AudioLDM
audioldm.github.ioText-to-Audio Generation with Latent Diffusion Models - Speech Research.
Alternatives to similar tools
What is the best alternative to Chatterbox?
Are there open-source alternatives to Chatterbox?
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative






















