Tools
Respeecher Voice Conversion vs Sonic
Respeecher Voice Conversion 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 inglese
In short
- Both: Text to speech, Voice cloning, Many languages, Commercial use, API
- Only Sonic states: Speech to text, Dubbing
Respeecher Voice Conversion
Respeecher converts speech into licensed AI voices for film, games, music, podcasts, dubbing, and other audio projects.
Plans
TTS only
- $18/month
- For those who only need text-to-speech conversions
Creator
- $89/month
- 400k TTS characters
- 90 min STS
Power
- $499/month
- 3m TTS characters
- 900 min STS
Enterprise
Price on request
- Volume-based discounts
- Dedicated support
- Priority feature access
- Custom data and team management controls
- Unlimited concurrency
- Custom development
Prices checked 2026-09-25 on the maker’s page.
Capabilities
- Text to speech — “TEXT-TO-SPEECH API IS NOW LIVE! TRY IT FOR FREE” source
- Voice cloning — “Cutting-edge AI technique precisely replicating unique vocal characteristics, emotional nuances, and speech patterns of specific individuals using advanced machine learning speech generation technologies.” source
- Many languages — “For Text-to-Speech API, we support major global languages, including English with a variety of regional accents (US, UK, etc.).” source
- Commercial use — “Commercial usage rights” source
- API — “Integrate via our user-friendly API or use our Pro Tools plugin” source
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
- Introducing Multilingual Voices
Introducing Multilingual Voices.
- Introducing Sonic-3.6 (Sonic-3.6)
Listeners preferred it in up to 93% of head-to-head tests across fifteen locales.
- New to Ink-2: keyterm prompting and configurable turn detection (Ink-2)
Keyterm prompting improves transcription accuracy, and turn detection tunes endpointing for speed or accuracy.