Neuphonic TTS
Listed Proprietary · Neuphonic
2.6
/100
Neuphonic TTS is a proprietary text-to-speech (TTS) API from Neuphonic, measured by one independent benchmark, Artificial Analysis.
Artificial Analysis
Amazon Polly Standard Amazon · text-to-speech (TTS) API
ListedSpeech Arena Elo 828 on Artificial Analysis, latency not measured; ranked 101st of 112 in the TTS for Voice Agents 2026 index.
Benchmark summary: 2.4/100, ranked 101st of 112 in the TTS for Voice Agents 2026 index (Listed). Strongest criterion: price, 2.4 of 5 points.
Amazon Polly Standard is a proprietary text-to-speech (TTS) API from Amazon, measured by one independent benchmark, Artificial Analysis.
Overall score
2.4 /100
Score breakdown
- Real-time speed 0 /60
- Voice quality 0 /20
- Accuracy 0 /15
- Price 2.4 /5
Data checked on September 30, 2026
Updated after each benchmark capture
Every point comes from a public benchmark: sources · methodology
Amazon Polly Standard ranks 101st of 112 in the 2026 text-to-speech (TTS) API benchmark, with a score of 2.4/100.
Real-time latency
Neither Coval nor Speko measures Amazon Polly Standard's latency, so it scores 0 of 60 on real-time speed and does not appear in the real-time ranking.
Accuracy (word error rate)
No accuracy measurement: Coval does not measure its word error rate and Speko does not rate its pronunciation robustness, so accuracy counts 0 of 15.
Voice quality
In the Artificial Analysis Speech Arena (capture of October 1, 2026), Amazon Polly Standard has an Elo of 828 (±16, 95% confidence) from 3,295 blind comparisons, 92nd highest of the 92 models Artificial Analysis rates.
Price
Artificial Analysis lists Amazon Polly Standard at $4 per 1M characters (3rd lowest of the 78 models Artificial Analysis lists a price for).
Benchmark measurements
Artificial Analysis Speech Arena
- Speech Arena Elo (blind listener preference)
- 828
- Elo 95% interval (±)
- 16
- Arena rank
- 92
- Arena rank range
- 92
- Arena appearances
- 3,295
- Voices tested
- 4
- Price per 1M characters
- 4 USD
- Released
- Nov 2016
- Artificial Analysis model
- Polly Standard
- Artificial Analysis leaderboard
- artificialanalysis.ai
Not collected
- Speed (Coval time to first audio) — not measured by Coval (capture of 2026-10-01, 30-day window); counts 0
- Speed (Speko time to first audio) — not measured by Speko (capture of 2026-10-01); counts 0
- Quality (Speko naturalness) — not measured by Speko (capture of 2026-10-01); counts 0
- Accuracy (Coval word error rate) — not measured by Coval (capture of 2026-10-01, 30-day window); counts 0
- Accuracy (Speko robustness) — not measured by Speko (capture of 2026-10-01); counts 0
- Price (Speko cost per 1M characters) — not measured by Speko (capture of 2026-10-01); counts 0
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