STEB - Emotion Preservation (English to Chinese): leaderboard

Metric: LLM-judged emotion consistency (1-5) of category, intensity and attitude between the source and the translated speech: both are captioned by Qwen3-Omni-Captioner and summarized by Qwen3-30B-A3B, which scores the pair three times (outlier-aware aggregate); English-to-Chinese speech-to-speech translation of the normal subset's English source utterances. Source: arxiv.org. Saturation forecast: Rough model projection: around 2026. 4 models tracked.

Top models

#ModelScore
1UniSS3.82
2Step-Audio-23.77
3Seed LiveInterpret 2.03.53
4SeamlessExpressive3.27

Interactive version: theaggregate.ai/benchmark?slug=steb-emotion-preservation-english-to-chinese · How It Works · Data refreshed daily, snapshot 2026-09-26.