CompanionHarm (One-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 that prompt plus one labelled example. 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; one labelled example added to the zero-shot prompt). Source: arxiv.org. Saturation forecast: Around March 2028. 7 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.545#49
2Claude Opus 4.743.7#79
3Gemini 3.1 Pro (Preview)43.2#94
4Llama 3.1 70B Instruct35#1546
5Qwen 3 32B34.9#960
6Qwen 3 8B20.4#1830
7Llama 3.1 8B Instruct11.2#4246

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

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