TAR-Bench - Binary QA with Explanation: leaderboard

TAR-Bench (2026) evaluates vision-language models on 960 human-curated questions about 80 held-out traffic-anomaly clips, zero-shot and without reasoning mode. The Binary QA with Explanation task covers a yes/no answer with an explanation, compared with the reference. Score is scaled BERTScore F1, in percent; higher is better.

Metric: Scaled BERTScore F1 (%; a yes/no answer with an explanation, compared with the reference; zero-shot in non-reasoning (direct-answer) mode through VLMEvalKit, mean of 3 runs, on TAR-Bench: 960 human-curated annotations for 80 held-out traffic-anomaly clips from 17 public YouTube videos). Source: arxiv.org. Saturation forecast: Around 2031. 11 models tracked.

Top models

#ModelScoreOverall rank
1Qwen 3.5 9B (Non-reasoning)50.7#803 (Qwen 3.5 9B)
2Gemma 4 31B (IT)48#342
3Qwen 3.5 27B (Non-reasoning)45.3#359 (Qwen 3.5 27B)
4Gemini 3.1 Pro (Preview)44.1#94
5Qwen 3 VL 32B Instruct42.7#585
6Qwen 3 VL 8B Instruct39#981

No result here: #1 Claude Fable 5.2, #2 Gemini 4 Carbon, #5 Claude Opus 5.5.

Interactive version: theaggregate.ai/benchmark?slug=tar-bench-binary-qa-with-explanation · How It Works · Data refreshed daily, snapshot 2026-11-13.