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MiniMax Speech 2.8 Turbo MiniMax · text-to-speech (TTS) API

Listener Elo 1,155 ±10 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.

MiniMax Speech 2.8 Turbo is a proprietary text-to-speech (TTS) API from MiniMax, measured by two independent benchmarks: Artificial Analysis and Speko.

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
1385
Listener Elo (95% interval)Artificial Analysis
1,155 ±10
Numbers and dates (0 to 1)Speko
not rated
List price per 1M charactersall sources
$60
  • Customer service (Artificial Analysis): 28th, Elo 1173 ±24

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

Gradium TTS vs MiniMax Speech 2.8 Turbo Fastest TTS APIs, by speed tier

Speed

Neither Coval nor Speko measures MiniMax Speech 2.8 Turbo's latency, so it has no speed tier and does not appear in the speed tiers.

Voice quality

Speko rates its naturalness at 1,385 Elo from blind A/B votes on phone-agent lines (40th highest of the 43 models Speko rates). In the Artificial Analysis Speech Arena it holds 1,155 ±10 Elo (95% interval), 26th highest of the 98 models Artificial Analysis rates; scores whose intervals overlap are a tie. In its Customer Service category, Artificial Analysis places it 28th, at 1,173 Elo.

Numbers and dates

Speko has not scored its pronunciation of numbers and dates.

Price

Artificial Analysis lists $60. Speko lists about $60. List prices, as each source prints them.

Languages tested

Tested in Spanish, German, French, Portuguese, Japanese, Chinese, Arabic, Hindi and Vietnamese by Artificial Analysis or Speko. A language missing here was not tested, which does not mean it is unsupported.

Benchmark measurements

Speko

Naturalness (Elo)
1,385
Price per 1M characters
60 USD
Measured on
2026-09-29
Speko model
speech-2.8-turbo
Speko model page
benchmarks.speko.ai

Artificial Analysis Speech Arena

Customer service rank
28
Customer service Elo
1,173
Customer service Elo 95% interval (±)
24
Speech Arena Elo (blind listener preference)
1,155
Elo 95% interval (±)
10
Arena rank
26
Arena rank range
26-29
Arena appearances
4,966
Voices tested
8
Price per 1M characters
60 USD
Released
Feb 2026
Artificial Analysis model
Speech 2.8 Turbo
Artificial Analysis leaderboard
artificialanalysis.ai

Price (all sources)

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

Not collected

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