TTS pronunciation benchmark pricing: Gemini leads at $18.31/1M chars, Kokoro cheapest
ArtificialAnlys · x · 2026-09-22
Artificial Analysis added pricing to its pronunciation robustness benchmark: Gemini 3.1 Flash TTS hits 88.1% at $18.31 per 1M characters; SpaceXAI TTS costs $15, the cheapest above 80%; Kokoro 82M v1.0 is cheapest at $0.65 but scores 55.5%; Eleven v3 is the priciest at $100. Self-hosted models like Magpie-Multilingual 357M aren't charted since cost depends on your infrastructure.
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