Kokoro provides an inference library for its open-weight 82-million-parameter text-to-speech model.
KittenTTS vs Inworld
How do KittenTTS and Inworld compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | KittenTTS | Inworld |
|---|---|---|
| What it is | The KittenTTS project offers a text-to-speech model described as under 25 MB in size. | Inworld provides real-time text-to-speech, speech-to-text, and language model inference through modular APIs. |
| Website | ||
| Type | Open-source project | Online tool |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Not recorded | Web |
| Open source | Yes | Not stated |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both KittenTTS and Inworld.
Applio provides free open source voice conversion, custom voice model training, and real time conversion.
NeMo Parakeet ASR Models attain strong speech recognition accuracy while being efficient for inference. Available in CTC and RNN-Transducer variants.
Vosk provides an offline speech recognition API for mobile devices and servers, with several programming language interfaces.
CassetteAI provides music, sound-effect, and text-to-speech models through an SDK designed to run on edge hardware.
The Kokoro-82M model provides open-weight text-to-speech with 82 million parameters.







