VIPER (Veterinary Pathology) - Free-Text: leaderboard

Metric: Free-text score (0-100), a composite rubric grade by a GPT-5.4 judge against the pathologist answer, over the free-text items of 1,251 questions written and validated by board-certified veterinary pathologists on 419 H&E-stained rat histology images from seven organ systems. Source: arxiv.org. Saturation forecast: Around December 2026. 16 models tracked.

Top models

#ModelScore
1GPT-5.455.1
2Qwen 3.5 27B50.6
3GPT-5.4 Mini50
4Gemma 4 31B (IT)48.3
5Claude Sonnet 4.642.8
6GPT-5.4 Nano27.7
7MedGemma 1.5 4B26
8Gemini 2.5 Flash25.2

Interactive version: theaggregate.ai/benchmark?slug=viper-veterinary-pathology-free-text · How It Works · Data refreshed daily, snapshot 2026-09-29.