| X-Voice (test) | Fish Audio S2 | WER1.37 | | 186 | 2mo ago |
| Seed-TTS en (test) | Fish Speech | WER0.8 | | 159 | 17d ago |
| LibriSpeech clean (test) | Llasa-8B | WER1.5 | | 97 | 1mo ago |
| Seed-TTS zh (test) | OmniVoice | WER0.0084 | | 87 | 1mo ago |
| MiniMax Multilingual 24 (test) | | WER0.572 | | 75 | 3mo ago |
| LibriSpeech PC clean (test) | OmniVoice | WER1.3 | | 66 | 1mo ago |
| English emotional dataset | CSP-FT | SS Score94.8 | | 48 | 4mo ago |
| Seed ZH | | CER0.77 | | 42 | 1mo ago |
| Seed EN | Qwen3-TTS | WER1.23 | | 41 | 1mo ago |
| Seed-TTS-Eval (test) | HoliTok | WER1.33 | | 40 | 1mo ago |
| EmergentTTS (eval) | | Overall WER6.35 | | 40 | 1mo ago |
| Seed-TTS (eval) | VoxCPM | WER1.85 | | 39 | 4mo ago |
| LibriTTS clean (test) | CosyVoice 2 | WER0.018 | | 37 | 1mo ago |
| Seed-TTS Seed-EN (test) | ARCHI-TTS | WER0.0147 | | 32 | 1mo ago |
| Seed-zh (test) | E2E-TTS | CER0.78 | | 32 | 1mo ago |
| Seed-TTS EN | Qwen3-Omni | WER1.39 | | 32 | 1mo ago |
| Seed-en (test) | GPA-3B | WER1.31 | | 30 | 1mo ago |
| LibriSpeech-PC (test) | WavTTS | WER2.02 | | 27 | 24d ago |
| LJSpeech (test) | OscillaTTS | CMOS86.67 | | 25 | 1mo ago |
| InstructTTSEval ZH | | APS89 | | 24 | 3mo ago |
| English (test) | MiniMax-Speech | WER0.0165 | | 21 | 4mo ago |
| Chinese standard (test) | MiniMax-Speech | CER0.83 | | 21 | 4mo ago |
| SeedTTS en (test) | IndexTTS 2 | WER1.521 | | 21 | 4mo ago |
| Seed-TTS-Eval zh (test) | | CER0.93 | | 21 | 2mo ago |
| VCTK | | WER1.7 | | 19 | 3mo ago |
