Listener Elo 1,210 ±12 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.
VUI Labs Luna TTS is a proprietary text-to-speech (TTS) API from VUI Labs, 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 VUI Labs Luna TTS Fastest TTS APIs, by speed tierNeither Coval nor Speko measures VUI Labs Luna TTS's latency, so it has no speed tier and does not appear in the speed tiers.
In the Artificial Analysis Speech Arena it holds 1,210 ±12 Elo (95% interval), 17th highest of the 98 models Artificial Analysis rates; scores whose intervals overlap are a tie. In its Customer Service category, Artificial Analysis places it 13th, at 1,254 Elo.
Speko has not scored its pronunciation of numbers and dates.
Artificial Analysis lists $15. List prices, as each source prints them.
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