Which should you pick?
Grok TTS costs 4 credits (headline rate) and Chatterbox TTS costs 3 credits (headline rate). 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
Grok TTS
4 credits (headline rate)
It bills per 1,000 characters of input text.
- per 1,000 characters12 credits
Chatterbox TTS
3 credits (headline rate)
It bills per 1,000 characters of input text.
- per 1,000 characters12 credits
All figures are Versely credits. Your plan's credit allowance is on the pricing page.
Spec comparison
| Spec | Grok TTS | Chatterbox TTS |
|---|---|---|
| Provider | Grok | Chatterbox |
| Cost per job | 4 credits (headline rate) | 3 credits (headline rate) |
| Billing | per 1,000 characters of input text | per 1,000 characters of input text |
| Max resolution | — | — |
| Aspect ratios | — | — |
| Durations | — | 5s, 10s, 30s, 60s, 120s |
| Frame rates | — | — |
| Qualities | — | — |
| Requires starting image | No | No |
| Accepts video input | No | No |
| Reference images | — | — |
| Leaderboard | Unranked | #36 in text to audio |
| Released | Mar 16, 2026 | May 1, 2025 |
What each one does that the other doesn't
Only Grok TTS
multi language, expressive, speech tags, 21 languages
Only Chatterbox TTS
high quality, natural
Both list: text to audio, text to speech.
Leaderboard positions
Versely ranks each capability on its own leaderboard, so a position is only comparable between two models within the same row.
Grok TTS
Not on a Versely leaderboard yet.
Chatterbox TTS
- Text to audio#36
Full Grok TTS spec sheet →
xAI Grok TTS - high-quality text-to-speech with 5 expressive voices, 21 languages, and speech tags support. Up to 15,000 characters per request.
Full Chatterbox TTS spec sheet →
Chatterbox text-to-speech — natural, expressive narration with inline vocal tags like <laugh> and <sigh> woven directly into the script. A solid default for UGC-style voiceovers.
Frequently asked questions
Which is cheaper, Grok TTS or Chatterbox TTS?+
They are not directly comparable on price: Grok TTS costs 4 credits (headline rate) and Chatterbox TTS costs 3 credits (headline rate), and one of those is a headline rate rather than the cost of a complete job.
What can Grok TTS do that Chatterbox TTS can't, or vice versa?+
Only Grok TTS lists multi language, expressive, speech tags, 21 languages. Only Chatterbox TTS lists high quality, natural. Both list text to audio, text to speech.
How do Grok TTS and Chatterbox TTS bill?+
Grok TTS bills per 1,000 characters of input text. Chatterbox TTS bills per 1,000 characters of input text. Both are charged in Versely credits.
Try both inside Versely
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