Technology
Fold Epic Paper Airplanes
By Marcus Chen
Is Opus 5.5 nerfed? Thinking patterns changed on November 3
Katherine Langford
Katherine Langford
Editor-in-Chief · Edina, MN
Katherine oversees editorial operations across all six brands. Before joining The Meridan Group, she spent 14 years at the Minneapolis Star Tribune, where she led the metro desk through its digital transformation. She holds a Master's in Journalism from Northwestern's Medill School.
More from Katherine →Editor-in-Chief · Monday, November 9, 2026 at 7:04 AM · 1 min read
Shane Melaugh @shanemelaugh is Opus 5.5 nerfed? I just had Gemini 4 Argon analyze 1,400 Claude Code sessions and it found that on November 3, something definitely happened. the model name didn't change, but the way it does reasoning took a sharp turn. 10:15 PM · Nov 7, 2026 · 494K Views 291 358 2.7K 880
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