Fun-Realtime-TTS: New Text to Speech model topping Artificial Analysis leaderboard

Alibaba's Fun-Realtime-TTS takes the #1 spot on the Artificial Analysis Speech Arena Leaderboard, surpassing Google's Gemini 3.1 Flash TTS and Inworld's Realtime TTS-2 Research Preview

Competition at the top of the TTS Arena is tighter than ever, with just 24 Elo points separating the top five models. Fun-Realtime-TTS takes the top spot with the highest Elo score on the leaderboard.

Alibaba's previous Fun-Realtime-TTS-Preview reached #7 on the leaderboard, making this Alibaba's first #1 model in the Artificial Analysis Speech Arena. Fun-Realtime-TTS is available via Alibaba Cloud with API access for developers.

Key takeaways:

➤ Quality: Fun-Realtime-TTS has an Elo score of 1,219 (+16/-16) based on 962 arena appearances, placing it ahead of Gemini 3.1 Flash TTS at 1,214, Inworld Realtime TTS-2 Research Preview at 1,209, and Cartesia Sonic 3.5 at 1,203

➤ Pricing: Fun-Realtime-TTS is priced at $27.59/1M characters, positioning it between Gemini 3.1 Flash TTS at $18.3/1M characters and Inworld Realtime TTS 1.5 Max at $35/1M characters, while remaining below Sonic 3.5 at $39/1M characters.

➤ Features: Fun-Realtime-TTS supports real-time speech generation with voice cloning, voice design, multilingual output, and support for regional accents and dialects.

Fun-Realtime-TTS achieves the highest Elo score on the Speech Arena Leaderboard while remaining competitively priced at $27.6/1M characters, below several other frontier TTS models including Sonic 3.5 and Inworld Realtime TTS-2 Research Preview.

See the top models on the Artificial Analysis Speech leaderboard: https://artificialanalysis.ai/text-to-speech/leaderboard

Vote for models in the Speech Arena: https://artificialanalysis.ai/text-to-speech/arena

Explore sample clips from Fun-Realtime-TTS in the Speech Explorer: https://artificialanalysis.ai/text-to-speech/speech-explorer