Silk Mulberry 1.5 text-to-speech model
Rumik
Silk Mulberry 1.5 is a text-to-speech (TTS) model from Rumik. It has no Artificial Analysis score yet. On TTS Arena V2 it scores Elo 1416 (±44, 323 votes).
Key facts
- Provider
- Rumik
- AA rank
- –
- AA Elo (95% CI)
- –
- AA samples
- –
- TTS Arena Elo (uncertainty)
- 1416 ±44
- TTS Arena votes
- 323
- TTS Arena win rate
- 36.2%
- Price (per 1M chars)
- –
- Released
- –
- Open weights
- –
- License
- –
- Voices tested by AA
- –
- Languages
- –
- Voice cloning
- –
"–" means the upstream sources do not provide this value; we do not guess.
Nearby models
By TTS Arena Elo; this model highlighted| # | Model | AA Elo | Arena Elo | Price $/1M chars | Open weights |
|---|---|---|---|---|---|
| 34 |  Magpie Research Preview NVIDIA | – | 1465 | – | – |
| 35 | NNeuTTS Max Neuphonic | – | 1430 | – | – |
| 36 | TTontaube V1 Tontaube | – | 1426 | – | Open |
| 37 | RSilk Mulberry 1.5 Rumik | – | 1416 | – | – |
| 38 | FFluxions Vui Fluxions | – | 1405 | – | Open |
| 39 | MMaya1 Maya Research | 1048 | 1401 | – | Open |
| 40 | Magpie Multilingual NVIDIA | – | 1397 | – | – |
Alternatives · Top 5 open-weight by AA Elo
| # | Model | AA Elo | Arena Elo | Price $/1M chars | Open weights |
|---|---|---|---|---|---|
| 9 |  Fish Audio Drama 3 Preview Fish Audio | 1248 | – | $15 | Open |
| 11 | BBreeze TTS 2 BreezeBlue | 1230 | – | $34 | Open |
| 19 |  Ming-3.0-tts Ant Group | 1191 | – | – | Open |
| 38 | Fish Audio S2 Pro Fish Audio | 1110 | – | $15 | Open |
| 41 |  Step Audio EditX (Mar 2026) StepFun | 1100 | – | – | Open |
FAQ
Where does Silk Mulberry 1.5 rank among TTS models?
As of Oct 25, 2026, Silk Mulberry 1.5 has no Artificial Analysis score; its TTS Arena V2 Elo is 1416 (323 votes).
Is Silk Mulberry 1.5 open source?
The sources do not list Silk Mulberry 1.5 as open-weight; it is generally used through the Rumik API.
What is the best Chinese TTS model?
By AA Elo, the top model from a Chinese provider is Qwen-Audio-3.1-TTS-Plus by Alibaba (Elo 1307, #3 overall).
Which top-10 TTS model is cheapest?
Among the AA top 10, the lowest list price is Simba 3.2 (SpeechifyAI) at $6.6 per 1M characters, Elo 1246.
What is the best open-source TTS model?
By AA Elo, the top open-weight model is Fish Audio Drama 3 Preview by Fish Audio (Elo 1248, #9 overall); 18 open-weight models have an AA score.
Sources
"–" means the upstream sources do not provide this value; we do not guess.