Listener Elo 1,155 ±13 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.
Gradium TTS (Aug 2026) is a proprietary text-to-speech (TTS) API from Gradium, 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.
Data read October 22, 2026. No combined score: methodology
Gradium TTS vs Gradium TTS (Aug 2026) Fastest TTS APIs, by speed tierNeither Coval nor Speko measures Gradium TTS (Aug 2026)'s latency, so it has no speed tier and does not appear in the speed tiers.
In the Artificial Analysis Speech Arena it holds 1,155 ±13 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 23rd, at 1,203 Elo.
Speko has not scored its pronunciation of numbers and dates.
Artificial Analysis lists $47.2. List prices, as each source prints them.
Tested in Spanish, German, French and Portuguese by Artificial Analysis or Speko. A language missing here was not tested, which does not mean it is unsupported.
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