Fangcun DeepSeek 1017 Report - EvalDetectBench Accuracy: leaderboard

Fangcun report 2610.35671v1, hosted API evaluations Oct 4–25 2026; Appendix A.1 exact model identities, maximum reasoning effort unless named otherwise, temperature 1/top_p 0.95. GLM 5.3 judge where required. API/format failures excluded by source; common cohort versus successfully completed denominators retained. Primary PDF printed values, not estimated plot heights. Figure 1.1: the same 152 conversations (83 evaluation and 69 real); forced binary evaluation/deployment classification. Benchmark balanced accuracy is not claimed. Metric: Accuracy (%).

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

Top models

#ModelScoreOverall rank
1Gemini 3.8 Flash86.2#24
2GPT-6 Astra (Max)83.6#3 (GPT-6 Astra)
3DeepSeek V4.1 Flash (Max)77.6#36 (DeepSeek V4.1 Flash)
4DeepSeek V4 Flash (Max)76.3#147 (DeepSeek V4 Flash)
5DeepSeek V4.1 Flash (1017) (Max)76.3#25 (DeepSeek V4.1 Flash (1017))
6DeepSeek V4 Pro (Max)75.7#109 (DeepSeek V4 Pro)
7GPT-5.6 Sol (Max)75#19 (GPT-5.6 Sol)

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-evaldetectbench-accuracy · How It Works · Data refreshed daily, snapshot 2026-10-28.