StyleTTS 2 text-to-speech model
StyleTTSOpenReleased Jun 2023.
StyleTTS 2 is a text-to-speech (TTS) model from StyleTTS. It ranks #94 of 98 on the Artificial Analysis TTS arena with Elo 890 (95% CI ±15, 2,675 samples). List price is about $2.8 per 1M characters. Weights are openly available for self-hosting. Released Jun 2023.
Key facts
- Provider
- StyleTTS
- AA rank
- #94 / 98
- AA Elo (95% CI)
- 890 ±15
- AA samples
- 2,675
- TTS Arena Elo (uncertainty)
- –
- TTS Arena votes
- –
- TTS Arena win rate
- –
- Price (per 1M chars)
- $2.8
- Released
- Jun 2023
- Open weights
- Yes
- License
- –
- Voices tested by AA
- –
- Languages
- –
- Voice cloning
- –
"–" means the upstream sources do not provide this value; we do not guess.
Nearby models
By AA Elo; this model highlighted| # | Model | AA Elo | Arena Elo | Price $/1M chars | Open weights |
|---|---|---|---|---|---|
| 91 | RMist V2 Rime | 905 | – | $31.1 | – |
| 92 |  Polly Neural Amazon | 897 | – | $16 | – |
| 93 |  Neural2 Google | 895 | – | $16 | – |
| 94 | SStyleTTS 2 StyleTTS | 890 | – | $2.8 | Open |
| 95 | Standard Google | 888 | – | $4 | – |
| 96 | NNoiz TTS Noiz | 873 | – | – | – |
| 97 | MMetaVoice v1 MetaVoice | 847 | – | – | Open |
Alternatives · Cheaper with AA Elo ≥ 860
| # | Model | AA Elo | Arena Elo | Price $/1M chars | Open weights |
|---|---|---|---|---|---|
| 57 | KKokoro 82M v1.0 Kokoro | 1066 | 1468 | $0.7 | Open |
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 StyleTTS 2 rank among TTS models?
As of Oct 25, 2026, StyleTTS 2 ranks #94 of 98 on the Artificial Analysis TTS leaderboard with Elo 890 (±15).
Is StyleTTS 2 open source?
Yes. StyleTTS 2 has open weights and can be self-hosted.
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.