Listener Elo 1,109 ±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.
Resemble AI Chatterbox HD is a proprietary text-to-speech (TTS) API from Resemble AI, 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 Resemble AI Chatterbox HD Fastest TTS APIs, by speed tierNeither Coval nor Speko measures Resemble AI Chatterbox HD's latency, so it has no speed tier and does not appear in the speed tiers.
In the Artificial Analysis Speech Arena it holds 1,109 ±12 Elo (95% interval), 39th highest of the 98 models Artificial Analysis rates; scores whose intervals overlap are a tie. In its Customer Service category, Artificial Analysis places it 58th, at 1,089 Elo.
Speko has not scored its pronunciation of numbers and dates.
Artificial Analysis lists $40. List prices, as each source prints them.
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