Gemini 3.8 Flash TTS tops Artificial Analysis pronunciation benchmark at 89.5%

ArtificialAnlys · x · 2026-09-24

Artificial Analysis released updated results for its Pronunciation Robustness benchmark: Gemini 3.8 Flash TTS takes #1 at 89.5%, ahead of Gemini 3.1 Flash TTS (88.2%), SpaceXAI TTS (87.6%) and Gemini 3.8 Flash-Lite TTS (87.4%). By category, Gemini 3.8 Flash TTS leads on Contextually Appropriate pronunciation (97.9%) and Expanding Shorthand (86.1%), SpaceXAI TTS leads on Preserving Exact Sequences (85.7%), and Qwen-Audio-3.0-TTS-Plus tops Standalone Terms (95.5%). Listenable samples are included.

Related event: Artificial Analysis Launches TTS Pronunciation Robustness Benchmark; Gemini 3.8 Flash TTS Takes Top Spot(12 posts)→

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