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Amazon Polly Standard Amazon · text-to-speech (TTS) API

Listener Elo 831 ±16 on Artificial Analysis (read October 22, 2026); latency not measured.

Benchmark summary: No speed tier: Coval, the source of the tiers, does not measure this model.

Amazon Polly Standard is a proprietary text-to-speech (TTS) API from Amazon, measured by one independent benchmark, Artificial Analysis.

Speed tier

Not measured by Coval

No speed tier: Coval, the source of the tiers, does not measure this model.

Median time to first audioCoval, 30 days
—
P95 time to first audio (slow turns)Coval, 30 days
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Naturalness EloSpeko
not rated
Listener Elo (95% interval)Artificial Analysis
831 ±16
Numbers and dates (0 to 1)Speko
not rated
List price per 1M charactersall sources
$4
  • Customer service (Artificial Analysis): 93rd, Elo 850 ±44

Data read October 22, 2026. No combined score: methodology

Gradium TTS vs Amazon Polly Standard Fastest TTS APIs, by speed tier

Speed

Neither Coval nor Speko measures Amazon Polly Standard's latency, so it has no speed tier and does not appear in the speed tiers.

Voice quality

In the Artificial Analysis Speech Arena it holds 831 ±16 Elo (95% interval), 98th highest of the 98 models Artificial Analysis rates; scores whose intervals overlap are a tie. In its Customer Service category, Artificial Analysis places it 93rd, at 850 Elo.

Numbers and dates

Speko has not scored its pronunciation of numbers and dates.

Price

Artificial Analysis lists $4. List prices, as each source prints them.

Benchmark measurements

Artificial Analysis Speech Arena

Customer service rank
93
Customer service Elo
850
Customer service Elo 95% interval (±)
44
Speech Arena Elo (blind listener preference)
831
Elo 95% interval (±)
16
Arena rank
98
Arena rank range
98
Arena appearances
3,508
Voices tested
4
Price per 1M characters
4 USD
Released
Nov 2016
Artificial Analysis model
Polly Standard
Artificial Analysis leaderboard
artificialanalysis.ai

Price (all sources)

Lowest list price per 1M characters
4 USD
Highest list price per 1M characters
4 USD

Not collected

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