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Papers Benchmarks Datasets Tasks

Zero-shot Text-to-Speech research benchmarks · SOTA2 Research

Zero-shot Text-to-Speech

Benchmarks

Dataset NameSOTA MethodSort

Dataset NameSOTA methodMetricTrendResultsLast Updated

Seed-TTS en (test)

1.08WER

25

Jun 2, 2026

MLS Pt filtered (test)

Voicebox (Multilingual)

4.9WER

15

Feb 26, 2026

MLS Fr filtered (test)

Voicebox (Multilingual)

5.1WER

15

Feb 26, 2026

MLS En filtered (test)

Voicebox (Multilingual)

0.038WER

15

Feb 26, 2026

0.764SECS (s)

12

Mar 5, 2026

LibriTTS (test)

0.765SECS

12

Mar 5, 2026

LibriSpeech-PC clean (test)

1.78WER

12

Feb 26, 2026

TTS tasks Zero-shot

DiFlow-TTS-Small

3.89UTMOS

10

Jun 17, 2026

LibriSpeech LS960 (test-clean)

1.6WER (Whisper-large)

8

May 29, 2026

Seed-TTS zh (test)

0.84WER

8

May 8, 2026

7.66WER

8

Mar 6, 2026

Expressive Speech

10.91WER

8

Mar 6, 2026

MLS Pl filtered (test)

Voicebox (Multilingual)

4WER

8

Feb 26, 2026

MLS Es filtered (test)

Voicebox (Multilingual)

3.5WER

8

Feb 26, 2026

MLS De filtered (test)

Voicebox (Multilingual)

4.7WER

8

Feb 26, 2026

EARS (unseen speakers)

Fun-CosyVoice3-0.5B

1.65WER

7

Mar 17, 2026

LibriSpeech clean (test)

1.3WER

6

Feb 26, 2026

LibriSpeech SNR = 0dB (test-clean)

2.58UTMOS

6

Feb 26, 2026

LibriSpeech SNR = 6dB (test-clean)

2.9UTMOS

6

Feb 26, 2026

LibriSpeech SNR = 12dB (test-clean)

3.09UTMOS

6

Feb 26, 2026

LibriSpeech SNR = ∞ (test-clean)

3.76UTMOS

6

Feb 26, 2026

CV3-Eval Multilingual Voice Cloning

4.87English CER/WER

5

May 26, 2026

Ground Truth (Recordings)

4.31MOS (Naturalness)

5

Mar 5, 2026

LibriSpeech clean cross-sentence filtered (test)

1.9WER

5

Feb 26, 2026

CV3-Eval Multi-lingual Voice Cloning Chinese

4.64IMOS

4

May 26, 2026

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