Ambiguous Speech Emotion - IEMOCAP: leaderboard
Metric: Jensen-Shannon divergence (0-1; between the emotion distribution the model predicts for an utterance and the distribution of the human annotators' labels, mean over utterances; lower is better; IEMOCAP, 4,373 acted dyadic utterances with neutral, happy, angry and sad labels). Source: arxiv.org. Saturation forecast: Estimated already saturated. 8 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Gemini 2.5 Pro | 0.34 |
| 2 | GPT-4o Audio | 0.34 |
| 3 | Gemini 2.0 Flash | 0.35 |
| 4 | Qwen2-Audio-7B-Instruct | 0.36 |
| 5 | Qwen2.5-Omni-7B | 0.39 |
Interactive version: theaggregate.ai/benchmark?slug=ambiguous-speech-emotion-iemocap · How It Works · Data refreshed daily, snapshot 2026-09-26.