# Gemini 3.8 Flash TTS ranks first on Artificial Analysis pronunciation benchmark at 89.5%

On Artificial Analysis’s Pronunciation Robustness benchmark, Gemini 3.8 Flash TTS scores 89.5%, ahead of Gemini 3.1 Flash TTS, SpaceXAI TTS, and Gemini 3.8 Flash-Lite TTS. Leadership on individual pronunciation categories is split among several models.

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Source: Artificial Analysis · Published 9/23/2026, 10:40:47

On Artificial Analysis’s Pronunciation Robustness benchmark, Gemini 3.8 Flash TTS scores 89.5% and ranks first. Gemini 3.1 Flash TTS scores 88.2%, SpaceXAI TTS 87.6%, and Gemini 3.8 Flash-Lite TTS 87.4%.

Gemini 3.8 Flash TTS leads Contextually Appropriate pronunciation at 97.9% and Expanding Shorthand at 86.1%. SpaceXAI TTS leads Preserving Exact Sequences at 85.7%, and Qwen-Audio-3.0-TTS-Plus leads Standalone Terms at 95.5%.

Tags: Gemini, Text-to-speech, Benchmark, Artificial Analysis

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