What is Spark-TTS?
Spark-TTS is listed under AI Voice & Speech, in the Content & Media Generation category on Flocci AI Tools. LLM-based TTS with BiCodec single-stream tokens. It is free, with no paid plan attached, and it lives at github.com.
Spark-TTS is listed under AI Voice & Speech, in the Content & Media Generation category on Flocci AI Tools. LLM-based TTS with BiCodec single-stream tokens. It is free, with no paid plan attached, and it lives at github.com.
Spark-TTS is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 399 entries on Flocci AI Tools with no upgrade path built in.
Spark-TTS does 3 things the catalog singles out: Llm-based tts with bicodec single-stream tokens; zero-shot cloning and controllable pitch/speed/gender for chinese and english; apache-2.0 weights.
Chatterbox (Resemble AI) is the closest free alternative: it sits in the same AI Voice & Speech sub-category and is free. Copilot Audio Expressions, CosyVoice and F5-TTS also start free. The full list is on the alternatives page.
See the full list →