1
Also covers open source and python · same kind of open-source project
RVC WebUI is a framework for training voice conversion models with short voice recordings.
Alternatives
The Best KittenTTS Alternatives in 2026
24 alternatives0 free · 15 open source
Looking for something like KittenTTS? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 15 are open source.
The KittenTTS project offers a text-to-speech model described as under 25 MB in size.
Top picks at a glance
First suggestionRVC V2RVC WebUI is a framework for training voice conversion…Another optionEmotiVoiceEmotiVoice provides a multi-voice text-to-speech engine…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | RVC V2 | — | Yes | — |
| 2 | EmotiVoice | — | Yes | — |
| 3 | Chatterbox | — | Yes | — |
| 4 | EspNet | — | Yes | — |
| 5 | Mmaudio | — | Yes | — |
| 6 | Audiblez | — | Yes | — |
| 7 | Kokoro | — | Yes | — |
| 8 | whisper.cpp | — | Yes | — |
| 9 | Voice Changer | — | Not stated | — |
| 10 | Voice Changer | — | Not stated | — |
All KittenTTS alternatives
2
Also covers open source and python · same kind of open-source project
EmotiVoice provides a multi-voice text-to-speech engine with prompt controls.
3
Also covers open source and python · same kind of open-source project
The Chatterbox project provides an open-source text-to-speech system for speech generation.
4
Also covers open source and python · same kind of open-source project
ESPnet includes tools for end to end speech processing and related speech tasks.
5
Also covers open source and python · same kind of open-source project
MMAudio synthesizes audio from video and text through a multimodal joint-training approach presented at CVPR 2025.
6
Also covers open source and python · same kind of open-source project
Audiblez creates audiobook files from EPUB e-books and offers a graphical interface.
7
Also covers open source · same kind of open-source project
Kokoro provides an inference library for its open-weight 82-million-parameter text-to-speech model.
8
Also covers open source · same kind of open-source project
The whisper.cpp project ports OpenAI’s Whisper speech recognition model to C and C++.
9
Voice Changer
github.com/deiteris/voice-changerAlso covers python · same kind of open-source project
The voice-changer project provides real-time voice changing for audio.
10
Voice Changer
github.com/w-okada/voice-changer/blob/master/d…Also covers python · same kind of open-source project
The w-okada project provides a real-time tool for changing voices during audio use.
11
Also covers open source · same kind of open-source project
Generate audio from text prompts with Bark, a model for text-prompted audio creation.
12
Also covers open source · same kind of open-source project
Tortoise is a multi-voice text-to-speech system trained with an emphasis on quality.
13
Clips AI
clipsai.comAlso covers python
Use Clips AI, an open-source Python library, to convert long-form videos into shorter clips in developer editing workflows.
14
Gladia
gladia.ioAlso covers python
Gladia provides an API for recording, transcribing, and enriching multilingual audio into structured data.
15
Also covers open source · same kind of open-source project
Vosk provides an offline speech recognition API for mobile devices and servers, with several programming language interfaces.
16
Also covers open source
Applio provides free open source voice conversion, custom voice model training, and real time conversion.
17
Also covers open source · same kind of open-source project
insanely-fast-whisper accelerates Whisper transcription using Transformers, Optimum, and flash attention.
18
Also covers open source · same kind of open-source project
Audio-WebUI provides a web interface for different neural networks related to audio.
19
Also covers open source · same kind of open-source project
The whisper-ctranslate2 command-line client works with the OpenAI Whisper client and uses CTranslate2.
20
CassetteAI
cassetteai.comCassetteAI provides music, sound-effect, and text-to-speech models through an SDK designed to run on edge hardware.
21
Kokoro-82M
huggingface.co/hexgrad/Kokoro-82MThe Kokoro-82M model provides open-weight text-to-speech with 82 million parameters.
22
Inworld
inworld.aiInworld provides real-time text-to-speech, speech-to-text, and language model inference through modular APIs.
23
AudioLDM
audioldm.github.ioText-to-Audio Generation with Latent Diffusion Models - Speech Research.
24
Parakeet
huggingface.co/collections/nvidia/parakeet-asr…NeMo Parakeet ASR Models attain strong speech recognition accuracy while being efficient for inference. Available in CTC and RNN-Transducer variants.
No alternatives match this filter.
Alternatives to similar tools
Voice Changer24 alternativeswhisper.cpp24 alternativesVaibhavs10/insanely-fast-whisper24 alternativesEmotiVoice24 alternativesEspNet24 alternativesVoice Changer24 alternatives
What is the best alternative to KittenTTS?
Based on features, tags and platforms, the closest alternatives to KittenTTS are RVC V2, EmotiVoice, and Chatterbox.
Are there open-source alternatives to KittenTTS?
Yes: RVC V2, EmotiVoice, Chatterbox, and EspNet.
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