Expired50% confidenceOpinionExact time
Data contamination is considered the more likely technical explanation for Claude Opus 4.8 misidentifying itself as DeepSeek or Tongyi Qianwen
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Claude Opus 4.8 Identifies Itself as DeepSeek: Data Contamination or Distillation? A Technical Analysis
bilibili杨博士说AI6/6/2026
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