Comparison
Voxmint vs TTS.ai
TTS.ai is a model library: dozens of open-source TTS models behind one account, some of them very cheap. Voxmint runs one model family, VoxCPM2, with curated named voices. If you want VoxCPM, Voxmint costs $16.67 per million characters on its entry plan; TTS.ai charges VoxCPM at 2× credits, which is $50 on its entry plan.
Prices checked on , from each company's own pages or archived copies (sources below). If you spot something out of date, tell us at support@voxmint.app.
Side by side
| Feature | Voxmint | TTS.ai |
|---|---|---|
| Cheapest paid plan | Starter $5/month for 300,000 characters | Lite $5/month for 200,000 characters |
| Price per 1M characters, entry plan | $16.67 for every voice | $25 for free models; $50 for VoxCPM and other standard models (2×); $100 for premium (4×) |
| Price per 1M characters, larger plan | $15.00 (Pro) | $14.50 for free models; $29 for VoxCPM (Pro, $29 for 2M) |
| VoxCPM version | VoxCPM2 | VoxCPM 1.5 (English and Chinese) |
| Free plan | 30,000 characters a month, up to 1,000 per generation, personal use only | 5,000 characters a day without an account, or 10,000 a month plus 15,000 bonus with one; non-commercial |
| Languages | 24 languages with 113 ready-made voices | Depends on the model; the site says 35+ to 55+ |
| Voices | 113 curated, named voices with a sample page each | Over 100 voices across its models (the site gives several counts) |
| Voice design from a description | Yes, on every plan including Free | Yes, the Voice Design Studio (Qwen3-TTS); saving designs needs Pro |
| Voice cloning | No, by policy | Yes, on every paid plan |
| Unused characters | Plan characters reset monthly; packs last 12 months | Never expire |
| Commercial use | Every paid plan and pack | Paid plans, except models marked non-commercial |
Choose TTS.ai if
- You want to try many different open-source models from one account.
- You can use its free models, which cost less per character than Voxmint.
- You need voice cloning, or want characters that never expire.
Choose Voxmint if
- You want VoxCPM2 specifically, at $16.67 per million characters instead of $50.
- You want a small set of named voices that sound the same every time, instead of choosing a model first.
- You want every voice cleared for commercial use on any paid plan, without per-model exceptions.
Questions
- Both run VoxCPM. What is the difference?
- Voxmint runs VoxCPM2 and builds named catalogue voices on it, each fixed so it sounds the same every time. TTS.ai lists VoxCPM 1.5 among many models and bills it at twice the base rate.
- Is TTS.ai cheaper?
- For its free models, yes. For VoxCPM, Voxmint is cheaper: $16.67 against $50 per million characters on the entry plans, and $15.00 against $29 on the larger ones.
- Can I use free-plan audio commercially on either?
- No. Both free plans are for personal, non-commercial use. TTS.ai changed this on 14 September 2026.
Other comparisons
Sources
- TTS.ai pricing: https://tts.ai/pricing
- TTS.ai models: https://tts.ai/text-to-speech/
- TTS.ai voice design: https://tts.ai/voice-design/
- TTS.ai terms: https://tts.ai/terms/
TTS.ai is a trademark of its owner. Voxmint is not affiliated with or endorsed by TTS.ai.