Listener Elo 956 ±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.
OpenVoice v2 is an open-weights text-to-speech (TTS) API from OpenVoice, 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 OpenVoice v2 Fastest TTS APIs, by speed tierNeither Coval nor Speko measures OpenVoice v2's latency, so it has no speed tier and does not appear in the speed tiers.
In the Artificial Analysis Speech Arena it holds 956 ±13 Elo (95% interval), 83rd highest of the 98 models Artificial Analysis rates; scores whose intervals overlap are a tie. In its Customer Service category, Artificial Analysis places it 87th, at 959 Elo.
Speko has not scored its pronunciation of numbers and dates.
Artificial Analysis lists $8.3. List prices, as each source prints them.
Tested in Spanish, French, Japanese and Chinese by Artificial Analysis or Speko. A language missing here was not tested, which does not mean it is unsupported.
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