Fangcun DeepSeek 1017 Report - SimMH-Chat harmful behavior: leaderboard

Fangcun independent report 2610.35671v1, Oct 4–25 2026 hosted API evaluations; source Table A.1 resolves all seven full model names. Temperature 1, top_p 0.95, maximum reasoning effort unless explicitly overridden; GLM 5.3 rubric judge. API/format failures excluded according to source; not locally deployed weights or uncensored variants. 109 shared simulated-user trajectories, any harmful response over conversation, lower is better; includes source flags for overly long replies. Metric: Rate (%).

Metric: Rate (%). Source: arxiv.org. Saturation forecast: Around January 2027. 7 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.6 Sol (Max)4.6#19 (GPT-5.6 Sol)
2GPT-6 Astra (Max)7.3#3 (GPT-6 Astra)
3DeepSeek V4.1 Flash (1017) (Max)20.2#25 (DeepSeek V4.1 Flash (1017))
4DeepSeek V4.1 Flash (Max)24.8#36 (DeepSeek V4.1 Flash)
5Gemini 3.8 Flash40.4#24
6DeepSeek V4 Pro (Max)67.9#109 (DeepSeek V4 Pro)
7DeepSeek V4 Flash (Max)70.6#147 (DeepSeek V4 Flash)

No result here: #2 Claude Opus 5.5, #6 GPT-6.1 Sol, #8 Gemini 4 Argon.

Interactive version: theaggregate.ai/benchmark?slug=fangcun-deepseek-1017-report-simmh-chat-harmful-behavior · How It Works · Data refreshed daily, snapshot 2026-10-28.