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.
What Spark-TTS does
- LLM-based TTS with BiCodec single-stream tokens
- Zero-shot cloning and controllable pitch/speed/gender for Chinese and English
- Apache-2.0 weights
Spark-TTS — straight answers
Is Spark-TTS free?
Spark-TTS 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 Spark-TTS in a browser, or is there an app?
Spark-TTS needs to be installed or self-hosted — it doesn't run in a browser tab. It is available on self-hosting.
What can Spark-TTS do?
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.
What is the best free alternative to Spark-TTS?
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.
See the full list →Spark-TTS alternatives
Compare all alternatives →ElevenLabs
AI Voice & Speech
- Most natural text-to-speech and voice cloning
- Dubbing into 30+ languages
- Voice design and a huge voice library
- Free monthly characters
Murf AI
AI Voice & Speech
- Studio-quality voiceovers for videos
- Sync voice with slides and media
- Voice changer and cloning
- Free trial minutes
Cartesia
AI Voice & Speech
- Ultra-low-latency real-time voice (Sonic)
- Ideal for voice agents and calls
- Instant voice cloning
- Free tier for developers
Hume AI
AI Voice & Speech
- Emotionally expressive voice interface (EVI)
- Detects and responds to tone
- Customizable empathic voices
- Free developer credits
Fish Audio
AI Voice & Speech
- 15-second voice cloning claimed near-perfect fidelity
- S2.1 Pro real-time emotionally-controllable voice model, free to start for devs
- Bundles TTS, voice cloning, STT and a full voice-agent stack in one platform
Speechify
AI Voice & Speech
- Free tier includes unlimited basic TTS at up to 1.5x speed with 10 voices
- Scan & Listen turns physical text/photos into audio
- AI Podcasts and Voice AI Assistant bundled into Premium beyond plain reading