Which should you pick?
Cartesia Sonic 3.5 costs 4 credits (headline rate) and Suno Sounds V5.5 costs 2 credits. One of the two does not publish what a full job costs, only a headline rate, so these two figures are not a like-for-like price comparison.
What a job costs
Cartesia Sonic 3.5
4 credits (headline rate)
It bills per 1,000 characters of input text.
- per 1,000 characters4 credits
Suno Sounds V5.5
2 credits
It bills a flat rate per generation.
- Price2 credits
All figures are Versely credits. Your plan's credit allowance is on the pricing page.
Spec comparison
| Spec | Cartesia Sonic 3.5 | Suno Sounds V5.5 |
|---|---|---|
| Provider | Cartesia | Suno |
| Cost per job | 4 credits (headline rate) | 2 credits |
| Billing | per 1,000 characters of input text | a flat rate per generation |
| Max resolution | — | — |
| Aspect ratios | — | — |
| Durations | — | — |
| Frame rates | — | — |
| Qualities | — | — |
| Requires starting image | No | No |
| Accepts video input | No | No |
| Reference images | — | — |
| Leaderboard | #11 in text to audio | Unranked |
| Released | Jun 15, 2026 | Mar 25, 2026 |
What each one does that the other doesn't
Only Cartesia Sonic 3.5
voice clone, text to speech, multilingual, voice clone, emotion control, speed control, high quality, top ranked
Only Suno Sounds V5.5
sound generation, looping, tempo control, key control, lyrics capture
Both list: text to audio.
Leaderboard positions
Versely ranks each capability on its own leaderboard, so a position is only comparable between two models within the same row.
Cartesia Sonic 3.5
- Text to audio#11
Suno Sounds V5.5
Not on a Versely leaderboard yet.
Full Cartesia Sonic 3.5 spec sheet →
Cartesia's newest and top-ranked TTS model (Sonic 3.5). Multilingual, highly expressive, with emotion control, speed tuning, and voice cloning.
Full Suno Sounds V5.5 spec sheet →
Suno Sounds V5.5 is the latest sound generation model with improved quality, looping, tempo, key controls, and lyrics subtitle capture
More comparisons
Frequently asked questions
Which is cheaper, Cartesia Sonic 3.5 or Suno Sounds V5.5?+
They are not directly comparable on price: Cartesia Sonic 3.5 costs 4 credits (headline rate) and Suno Sounds V5.5 costs 2 credits, and one of those is a headline rate rather than the cost of a complete job.
What can Cartesia Sonic 3.5 do that Suno Sounds V5.5 can't, or vice versa?+
Only Cartesia Sonic 3.5 lists voice clone, text to speech, multilingual, voice clone, emotion control, speed control, high quality, top ranked. Only Suno Sounds V5.5 lists sound generation, looping, tempo control, key control, lyrics capture. Both list text to audio.
How do Cartesia Sonic 3.5 and Suno Sounds V5.5 bill?+
Cartesia Sonic 3.5 bills per 1,000 characters of input text. Suno Sounds V5.5 bills a flat rate per generation. Both are charged in Versely credits.
Try both inside Versely
The all-in-one AI studio for creators. 60+ models for video, image, voice, music and lipsync — in your browser or on your phone.
Free account. Works in your browser - no install needed. The same account signs in on your phone.