MVX-Bench - Defeasible Entailment: leaderboard

Metric: Accuracy (%) on the 150 Defeasible Entailment questions (decide whether an update video strengthens or weakens a hypothesis), MVX-Bench's multi-video multiple-choice questions (each pairs a question with several videos; 1,442 questions over 4,255 videos repurposed from 11 annotated video datasets), end-to-end inference at temperature 0; higher is better. Source: arxiv.org. Saturation forecast: Not forecast. 21 models tracked.

Top models

#ModelScoreOverall rank
1Gemma 3 4B (IT)56#971
2Gemma 3 27B (IT)52.7#509
3GPT-5.252.7#105
4GPT-4o52#333
5Gemma 3 12B (IT)52#655
6Qwen 2.5 VL 32B Instruct51.3#443
7Phi-4 Multimodal Instruct48#896
8Qwen 3.6 27B (Thinking)47.3#163 (Qwen 3.6 27B)
9Qwen 3.6 27B (Non-reasoning)47.3#163 (Qwen 3.6 27B)
10Pixtral-12B46.7#795
11Qwen 2.5 VL 7B Instruct44.7#643

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

Interactive version: theaggregate.ai/benchmark?slug=mvx-bench-defeasible-entailment · How It Works · Data refreshed daily, snapshot 2026-10-11.