A Reddit user criticizes Anthropic's recent "New Rules for Claude 5 Models" post, suggesting that the issues lie with the Opus 5 model itself rather than the Claude Code harness. The user points out that Opus 4.8 and Fable 5 models function well with the same harness, implying Opus 5 is the source of the problems. AI
IMPACT Highlights potential issues with Anthropic's latest model generation, suggesting a need for further investigation into Opus 5's performance.
RANK_REASON User commentary on a model release and associated documentation.
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