DistortBench - Compression: leaderboard

Metric: Joint accuracy (%) on the two compression types (JPEG, JPEG2000), a category of DistortBench's 13,500 four-choice questions (27 distortion types at five KADID-10k calibrated severity levels on 100 KADIS-700k photos, no reference image), the answer naming both type and severity, answered-only accuracy (unparseable responses, at most 3.4 percent, leave the denominator), chance 25; higher is better. Source: arxiv.org. Saturation forecast: Around 2032. 18 models tracked.

Top models

#ModelScore
1Qwen 3.5 4B (Non-reasoning)56.4
2Qwen 3.5 9B (Non-reasoning)55.1
3Qwen 3.5 35B A3B (Non-reasoning)55
4Qwen 3.5 27B (Non-reasoning)54.9
5Qwen 3.5 9B53.9
6Qwen 3.5 35B A3B50.8
7Qwen 3.5 27B50.7
8Gemma 3 27B48.1
9Qwen 3.5 4B45.4
10Gemma 3 4B44.6
11GPT-5.443.7
12Gemma 3 12B41.2
13Qwen 2 VL 7B40.4

Interactive version: theaggregate.ai/benchmark?slug=distortbench-compression · How It Works · Data refreshed daily, snapshot 2026-10-07.