MTAVG-Bench - Speaker-Utterance Alignment: leaderboard

Metric: Score (%) on the questions diagnosing whether each line is spoken by the right visible speaker, without missing or extra utterances; MTAVG-Bench: 2,410 human-verified diagnostic questions on 1,880 multi-speaker dialogue videos generated by Veo 3.1, Sora 2 and Wan 2.5, each question grounded in an annotated generation failure; single-answer and pairwise-comparison questions score 1 when correct, multiple-answer questions the share of gold options selected; the omni-modal model receives the video with its audio and the generation prompt; higher is better. Source: arxiv.org. Saturation forecast: Around January 2027. 12 models tracked.

Top models

#ModelScoreOverall rank
1Gemini 3 Flash68.78#93
2Gemini 3 Pro68.63#77
3Gemini 2.5 Pro65.61#145
4Gemini 2.5 Flash (Non-reasoning)56.87#237 (Gemini 2.5 Flash)
5Gemini 2.5 Flash (Thinking)56.38#237 (Gemini 2.5 Flash)
6Qwen2.5-Omni-7B36.32#601

No result here: #3 Claude Opus 5.5, #5 GPT-6 Astra, #8 Claude Fable 5.1.

Interactive version: theaggregate.ai/benchmark?slug=mtavg-bench-speaker-utterance-alignment · How It Works · Data refreshed daily, snapshot 2026-10-11.