Listener Elo 892 ±15 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.
StyleTTS 2 is an open-weights text-to-speech (TTS) API from StyleTTS, 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 StyleTTS 2 Fastest TTS APIs, by speed tierNeither Coval nor Speko measures StyleTTS 2's latency, so it has no speed tier and does not appear in the speed tiers.
In the Artificial Analysis Speech Arena it holds 892 ±15 Elo (95% interval), 94th highest of the 98 models Artificial Analysis rates; scores whose intervals overlap are a tie.
Speko has not scored its pronunciation of numbers and dates.
Artificial Analysis lists $2.8. List prices, as each source prints them.
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