S2.1 Pro

fish-audio/s2.1-pro

A text-to-speech model, at $15.75 per million characters.

Details

Maker: fish-audio
Kind: Speech
Price: $15.75 per million characters
Capabilities: None listed
Takes: Text
Returns: Audio
Zero data retention: Not on every provider
No training on requests: Not on every provider
Released: 2026-07-28
Newer model: fish-audio/drama-3Released later by the same maker, costs no more, and lists the same capabilities. Compare the two

Description

S2.1 Pro is Fish Audio's current state-of-the-art voice model — the best model we have, now available to every developer for free via API. It is a neural speech synthesis model designed for production-grade AI voice generation, with particular strengths in low-latency streaming, multilingual TTS, and voice cloning.

Call it

curl

curl https://phantom.codes/v1/audio/speech \
  -H "Authorization: Bearer $PHANTOM_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "fish-audio/s2.1-pro",
    "input": "Hello from Phantom"
  }' \
  --output speech.mp3

Set PHANTOM_KEY to your key. Any OpenAI client works with the base URL https://phantom.codes/v1.

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