Cartesia
Ultra-low-latency voice models built on state space models.
Full Cartesia record →Head to head
Cartesia vs Whisper
Cartesia (Cartesia) and Whisper (OpenAI) both sit in Audio. Whisper is the cheaper entry point at Pricing not specified in the document. Whisper shipped more tracked changes in the last 30 days (2 vs 0). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | Cartesia Cartesia | Whisper OpenAI |
|---|---|---|
| Segment | Audio | Audio |
| Version | Sonic 3 | gpt-transcribe |
| Entry cost | Free tier · from $5/mo | Pricing not specified in the document |
| Pricing tiers | — | Open Source Model free |
| Model stack | Sonic 3 | gpt-transcribe · Whisper · Whisper large-v3 · whisper-1 |
| Context window | — | 30 second windows |
| Public API | ||
| Routes models | ||
| Changes / 30d | 0 | 2 |
| Origin | Global | Global |
| Capabilities | Sub-100ms TTS, Voice cloning, Realtime API | 99 languages, Translation to English, Word timestamps, Open weights, Robust to noise, File transcription, Language detection, Support for mp3, mp4, mpeg, mpga, m4a, wav, and webm formats |
Whisper
A widely deployed multilingual transcription and translation model.
Full Whisper record →