ToxReason - Causal Coherence: leaderboard

Metric: Causal coherence (0-10) of the mechanistic explanation from initiating events through key events to adverse outcomes, scored 0 to 10 by a Claude Sonnet 4.5 judge against the reference adverse outcome pathway, on the ToxReason test set (query chemicals with curated human CTD toxicity labels and adverse outcome pathway context, eight retrieved activation and inhibition examples from similar compounds), zero-shot, temperature 0; higher is better. Source: arxiv.org. Saturation forecast: Around July 2028. 11 models tracked.

Top models

#ModelScore
1GPT-5.15.88
2GPT-55.79
3O35.74
4O4 Mini5.55
5Gemma 3 27B (IT)5.33
6GPT-4o5.24
7Qwen 3 4B Instruct4.97
8Llama 3.1 70B Instruct4.87
9Qwen 2.5 14B Instruct4.77
10DeepSeek R1 Distill Llama 70B4.68
11Llama 3.1 8B Instruct3.69

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