PyyanThe AI Index

Pyyan / Voice & Audio / Fish Audio S2 Pro

Fish Audio S2 Pro

Top open-weights TTS.

currentFish Audio ↗Verified 2026-08-13

$15

per M chars

Specifications

Arena Elo1123source · as of 2026-08-13
Price ($/M chars)$15
Open weightsYes

Official links

Fish Audio S2 Pro model pageFish Audio official site

What matters

  • 80+ languages, 50+ emotion controls
  • Roughly six times cheaper than ElevenLabs

Best for self-hosting.

Compare with

All 5 side by side →

Fish Audio S2 Pro vs Simba 3.2 →Fish Audio S2 Pro vs Qwen-Audio-3.0-TTS-Plus →Fish Audio S2 Pro vs Eleven v3 →Fish Audio S2 Pro vs Cartesia Sonic 3 →Fish Audio S2 Pro vs Chatterbox →

Also in Voice & Audio

Simba 3.2 · SpeechifyQwen-Audio-3.0-TTS-Plus · AlibabaEleven v3 · ElevenLabsCartesia Sonic 3 · CartesiaChatterbox · Resemble AI