CompanionHarm (Zero-Shot): leaderboard

CompanionHarm (2026) asks LLMs to label each AI utterance in real multi-turn Replika companion conversations with one of 13 socio-emotional harm categories or no harm, using the preceding context; this board uses a zero-shot prompt with the task and label set. Macro-F1 in percent; higher is better.

Metric: Macro-F1 (%; 14-way single-label classification of annotated Replika AI companion utterances into 13 socio-emotional harm categories or no harm, each with its preceding multi-turn context; temperature 0; zero-shot prompt with task instruction and label set). Source: arxiv.org. Saturation forecast: Around June 2028. 7 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.544.4#49
2Gemini 3.1 Pro (Preview)44#94
3Claude Opus 4.742.2#79
4Llama 3.1 70B Instruct37.5#1546
5Qwen 3 32B33.7#960
6Llama 3.1 8B Instruct17#4246
7Qwen 3 8B15.5#1830

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

Interactive version: theaggregate.ai/benchmark?slug=companionharm-zero-shot · How It Works · Data refreshed daily, snapshot 2026-11-13.