Inworld TTS text-to-speech model
Inworld
Inworld TTS is a text-to-speech (TTS) model from Inworld. It has no Artificial Analysis score yet. On TTS Arena V2 it scores Elo 1532 (±18, 1,984 votes).
Key facts
- Provider
- Inworld
- AA rank
- –
- AA Elo (95% CI)
- –
- AA samples
- –
- TTS Arena Elo (uncertainty)
- 1532 ±18
- TTS Arena votes
- 1,984
- TTS Arena win rate
- 57.2%
- 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 |
|---|---|---|---|---|---|
| 6 | ?star-june-2026 | – | 1545 | – | – |
| 7 | PPapla P1 Papla | – | 1540 | – | – |
| 8 |  Speech 2.8 HD MiniMax | 1176 | 1532 | $100 | – |
| 9 | IInworld TTS Inworld | – | 1532 | – | – |
| 10 | DDeepdub eTTS 3.2 Deepdub | – | 1529 | – | – |
| 11 | SLightning V3.1 Pro (Jul 2026) Smallest.ai | 1171 | 1525 | $19.5 | – |
| 12 | GGradium TTS (pre-2026.08) Gradium | – | 1518 | – | – |
Alternatives · More from Inworld
| # | Model | AA Elo | Arena Elo | Price $/1M chars | Open weights |
|---|---|---|---|---|---|
| – | IInworld TTS MAX Inworld | – | 1548 | – | – |
| – | IInworld TTS 1.5 MAX Inworld | – | 1510 | – | – |
| 6 | IRealtime TTS-2 Inworld | 1270 | – | $20.8 | – |
| 12 | IRealtime TTS-2 Flash Inworld | 1219 | – | $10.4 | – |
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 Inworld TTS rank among TTS models?
As of Oct 25, 2026, Inworld TTS has no Artificial Analysis score; its TTS Arena V2 Elo is 1532 (1,984 votes).
Is Inworld TTS open source?
The sources do not list Inworld TTS as open-weight; it is generally used through the Inworld 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.