Polly Long-Form text-to-speech model
AmazonReleased Nov 2023.
Polly Long-Form is a text-to-speech (TTS) model from Amazon. It ranks #76 of 98 on the Artificial Analysis TTS arena with Elo 1031 (95% CI ±13, 1,986 samples). List price is about $100 per 1M characters. Released Nov 2023.
Key facts
- Provider
- Amazon
- AA rank
- #76 / 98
- AA Elo (95% CI)
- 1031 ±13
- AA samples
- 1,986
- TTS Arena Elo (uncertainty)
- –
- TTS Arena votes
- –
- TTS Arena win rate
- –
- Price (per 1M chars)
- $100
- Released
- Nov 2023
- Open weights
- –
- License
- –
- Voices tested by AA
- 3
- 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 |
|---|---|---|---|---|---|
| 73 | BBland Speech v3 Bland AI | 1035 | – | $40 | – |
| 74 | 1034 | – | $15 | – | |
| 75 | 1031 | – | $30 | – | |
| 76 | 1031 | – | $100 | – | |
| 77 | 1030 | – | – | – | |
| 78 | RChatterbox Resemble AI | 1025 | 1471 | $25 | Open |
| 79 | SLightning v3.1 Smallest.ai | 1023 | – | $25 | – |
Alternatives · Cheaper with AA Elo ≥ 1001
| # | Model | AA Elo | Arena Elo | Price $/1M chars | Open weights |
|---|---|---|---|---|---|
| 1 | 1336 | – | $40 | – | |
| 2 | 1332 | – | $80 | – | |
| 3 | 1307 | – | $19.3 | – | |
| 4 | CSonic 3.6 Cartesia | 1292 | – | $49 | – |
| 5 | 1280 | – | $16.5 | – |
Alternatives · More from Amazon
| # | Model | AA Elo | Arena Elo | Price $/1M chars | Open weights |
|---|---|---|---|---|---|
| 56 | 1067 | – | $30 | – | |
| 92 | 897 | – | $16 | – | |
| 98 | 831 | – | $4 | – |
Alternatives · Top 5 open-weight by AA Elo
| # | Model | AA Elo | Arena Elo | Price $/1M chars | Open weights |
|---|---|---|---|---|---|
| 9 | 1248 | – | $15 | Open | |
| 11 | BBreeze TTS 2 BreezeBlue | 1230 | – | $34 | Open |
| 19 | 1191 | – | – | Open | |
| 38 | 1110 | – | $15 | Open | |
| 41 | 1100 | – | – | Open |
FAQ
Where does Polly Long-Form rank among TTS models?
As of Oct 25, 2026, Polly Long-Form ranks #76 of 98 on the Artificial Analysis TTS leaderboard with Elo 1031 (±13).
Is Polly Long-Form open source?
The sources do not list Polly Long-Form as open-weight; it is generally used through the Amazon 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.