TTS leaderboard

ULTRABENCH TTS leaderboard: every current model in the index, ranked by composite score, with price and a source on every number.

The 25 highest-ranked models.

1. Eleven v4 Turbo
2. Eleven v4
3. Qwen-Audio-3.1-TTS-Plus
4. Sonic 3.6
5. Realtime TTS-2
6. Gemini 3.8 Flash TTS
7. Simba 3.2
8. Luna TTS
9. Gemini 3.8 Flash-Lite TTS
10. Realtime TTS-2 Flash
11. StepAudio 2.5 TTS (Aug 2026)
12. v3 Conversational
13. Breeze TTS 2
14. Lightning V3.1 Pro (Jul 2026)
15. Fish Audio S2 Pro
16. Gradium TTS (Sep 2026)
17. Falcon 2
18. Speech 2.8 HD
19. SpaceXAI TTS
20. Async Flash v1.5
21. Azure HD 2.5
22. Speech 2.8 Turbo
23. Async Pro v1.0
24. Fish Audio S2.1 Pro
25. Soniox TTS Real-Time v2