# KittenTTS

Ultra-small (tens of MB) Apache-2.0 TTS models that run on CPU. KittenTTS is free, with no paid plan attached, at github.com.

## Facts

- **Pricing tier:** Free
- **Works on:** Self-hosted, CLI, API
- **Works in browser:** No

## Capabilities

- Ultra-small (tens of MB) Apache-2.0 TTS models that run on CPU
- Multiple built-in voices, fast inference without a GPU
- Good for embedded and offline apps

## FAQ

### What is KittenTTS?

KittenTTS is listed under AI Voice & Speech, in the Content & Media Generation category on Flocci AI Tools. Ultra-small (tens of MB) Apache-2.0 TTS models that run on CPU. It is free, with no paid plan attached, and it lives at github.com.

### Is KittenTTS free?

KittenTTS is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 397 entries on Flocci AI Tools with no upgrade path built in.

### Can I use KittenTTS in a browser, or is there an app?

KittenTTS needs to be installed or self-hosted — it doesn't run in a browser tab. It is available on self-hosting, the command line and an API.

### What can KittenTTS do?

KittenTTS does 3 things the catalog singles out: Ultra-small (tens of mb) apache-2.0 tts models that run on cpu; multiple built-in voices, fast inference without a gpu; good for embedded and offline apps.

### What is the best free alternative to KittenTTS?

Copilot Audio Expressions is the closest free alternative: it sits in the same AI Voice & Speech sub-category and is free. Kokoro Web, Zonos and Chatterbox (Resemble AI) also start free. The full list is on the alternatives page.

## Related

- [KittenTTS alternatives](https://aitools.flocci.in/alternatives/kittentts)
- [AI Voice & Speech](https://aitools.flocci.in/category/content-media-generation/ai-voice-speech)
- [Best free AI voice and text-to-speech tools](https://aitools.flocci.in/best/best-ai-voice-speech)
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Source: Flocci AI Tools — https://aitools.flocci.in/tool/kittentts

Facts last verified: October 2026