Fish Audio API
$0.252/min on Varosity credits ($0.240/min with your own key).
no fish-audio account needed · no subscription · failed renders never billed
Best for
- multilingual
- cheap
- large community voice library
Trade-offs
- voice ids are library-specific — call list_voices
Call it from your code
One Varosity key works for every model.
curl -X POST https://varosity.ai/api/v1/tts \
-H "Authorization: Bearer $VAROSITY_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"text": "Welcome to the launch. Here's what's new this week.",
"voiceModel": "fish-audio-tts"
}'Or ask your agent
Connect Claude, Cursor, or any MCP client to https://varosity.ai/api/mcp with your key, then say:
"Use Varosity with fish-audio-tts to read this script aloud: …"Agent setup guide
Alternatives to Fish Audio
- Cartesia Sonic 2ultra-low latency (~90ms) · natural prosody$0.378/min
- Cartesia Sonic 3~90ms TTFA · 42 languages$0.378/min
- Chatterbox (fal)open-weight (MIT) · expressive + emotion control$0.063/min
- Deepgram Aura 2ultra-low latency · natural prosody$0.126/min
- ElevenLabs Multilingual v229 languages · emotion control$0.315/min
- ElevenLabs v3 (Alpha)dialogue style · highest expressiveness$0.504/min