The Best TTS Models in 2026: How to Benchmark and Pick the Right One

Three hyperscalers shipped new TTS models in the span of two weeks in May 2026. Google Gemini 3.1 Flash TTS claimed the top position on Artificial Analysis with an Elo score of 1,211. Microsoft launched MAI-Voice-1 with 60-second generation capability. OpenAI updated its voice models with a 15-point reasoning improvement. But the model at the top of the leaderboard today is rarely the model that performs best on your specific content — and it may not hold that position for long.