SpeechifyAI’s Simba 3.2 takes the #1 spot on the Artificial Analysis Speech Arena Leaderboard, surpassing Sonic 3.5, Inworld Realtime TTS 1.5 Max and Google’s Gemini 3.1 Flash TTS
Simba 3.2 is the latest TTS model from @SpeechifyAI.
Key takeaways:
➤ Quality: Simba 3.2 has an Elo score of 1,233 (+17/-17) based on 1,258 arena appearances, placing it ahead of Gemini 3.1 Flash TTS at 1,214 and Sonic 3.5 at 1,210.
➤ Pricing: At $10/1M characters, Simba 3.2 is the lowest-priced model among the current Speech Arena leaders, compared to Gemini 3.1 Flash TTS ($18.3/1M characters), Inworld Realtime TTS 1.5 Max ($26/1M characters), and Sonic 3.5 ($39/1M characters).
➤ Speed: 29.2 characters per second, compared to 89 characters per second for Inworld Realtime TTS 1.5 Max and 24.5 characters per second for Gemini 3.1 Flash TTS.
See more details and listen to samples below 🧵