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Fish Audio vs Sonic

Fish Audio or Sonic? Their plans monthly and yearly, the capabilities their makers state, security and latest updates, side by side — read from the makers' own pages.

In short

  • Both: Text to speech, Voice cloning, Speech to text, Dubbing, Many languages, Commercial use, API
  • Only Fish Audio states: Sound effects

Fish Audio

Fish Audio turns text into expressive speech, with voice cloning, voice design, speech-to-text, audio tools, and developer APIs.

Plans

Free Tier

Free

  • 8,000 credits monthly
  • Up to 7 minutes generation
  • Up to 500 characters per generation
  • 3 public voice slots
  • Standard generation speed
  • Enhanced voice cloning

Plus

  • $5.5 mo
  • $66 billed annually
  • 15 mo
  • 250,000 credits monthly
  • Up to 200 minutes generation
  • Up to 15,000 characters per generation
  • Unlimited public + 10 private voice slots
  • Priority generation on our latest models
  • Access to Voice Design

Pro

  • $37.5 mo
  • $450 billed annually
  • 2,000,000 credits monthly
  • Up to 1,620 minutes generation
  • 3 team seats included
  • Up to 30,000 characters per generation
  • Unlimited voice slots
  • 5 professional voice slots

Max

  • $749 mo
  • $8988 billed annually
  • 25,000,000 credits monthly
  • Up to 6,250 minutes generation
  • 10 team seats included
  • 15 professional voice slots
  • And everything in Pro

Enterprise

Price on request

  • Pay as you go with organization-level controls
  • Zero Data Retention
  • On-Premise Deployment
  • SOC2 Compliance
  • Custom SSO (Coming soon)

Prices checked 2026-09-24 on the maker’s page.

Capabilities

  • Text to speech — “Text to Speech with the most natural and human sounding AI voice generator” source
  • Voice cloning — “Instant voice cloning from 10 seconds of audio, 60+ emotion tags, sub-300ms streaming latency, and 500,000+ community voices.” source
  • Speech to text — “Speech to Text” source
  • Sound effects — “Sound Effects” source
  • Dubbing — “Audio Translation” source
  • Many languages — “Speak 30+ languages with any voice” source
  • Commercial use — “Premium subscribers can use verified voices (that you own) for commercial purposes.” source
  • API — “Yes! Premium subscribers get access to our flexible pay-as-you-go API.” source

Latest updates

  • Fish Audio S2 (Fish Audio S2)

    Launched the S2 text-to-speech model with inline emotion cues, multi-speaker dialogue, 80+ languages, and API model ID s2-pro.

  • Fish Audio S1 (Fish Audio S1)

    Rebranded Fish Speech to Fish Audio and introduced S1 and S1-mini TTS models with multilingual support and emotional expressions.

  • v1.5.1 (v1.5.1)

    Added ONNX export and Arabic and Hebrew text processing; fixed PyTorch security settings and Apple Silicon compatibility.

About Fish Audio

Sonic

Sonic is Cartesia's text-to-speech model for real-time voice applications, with voice cloning, localization, and multilingual speech.

Plans

Free

Free

  • 20K credits / month
  • $1 prepaid agents / month
  • Text to Speech
  • Speech to Text

Pro

  • $5 /mo
  • 100K credits / month
  • $5 prepaid agents / month
  • Commercial use license
  • Instant voice cloning

Startup

  • $49 /mo
  • 1.25M credits / month
  • $49 prepaid agents / month
  • Pro voice cloning
  • Organizations

Scale

  • $299 /mo
  • 8M credits / month
  • $299 prepaid agents / month
  • Priority support
  • High concurrency limits

Enterprise

Price on request

  • Custom credits & agent usage
  • Volume pricing
  • Custom concurrency limits
  • DPAs and BAAs for compliance
  • Shared Slack channel
  • SSO

Prices checked 2026-09-24 on the maker’s page.

Capabilities

  • Text to speech — “Sonic: The fastest and most natural text to speech model” source
  • Voice cloning — “Clone any voice instantly with 10 seconds of audio.” source
  • Speech to text — “Speech to Text” source
  • Dubbing — “Dubbing Go global with localized voices and accents for every language.” source
  • Many languages — “Reach international markets with Sonic — 44 languages and a wide range of accents, all with native-speaker quality voices.” source
  • Commercial use — “Commercial use license” source
  • API — “Access our models via API and bring a voice agent into production in minutes.” source

Security

  • SOC 2 Type II — “Soc 2 Type II Report” source
  • SOC 2 — “Soc 2 Type II Report” source
  • GDPR — “Compliance PCI DSS 4.0.1 HIPAA SOC 2 Type 2 GDPR” source
  • HIPAA — “Cartesia AI Inc. HIPAA.pdf” source

Latest updates

About Sonic