T3 Code Data Shows Claude's Share Jumped from 52% to ~78% After Opus 5.5 Launch
FinanceYF5 · x · 2026-11-10
A chart of real user model selection in T3 Code shows Claude Code's share of tasks rising from 52% in the 7 days before Opus 5.5's launch to 64% the week after, 75% over the last 7 days, and roughly 78% on the latest single day. Theo, who made the chart, called the "complete and utter domination of Opus 5.5" unlike anything he'd seen before — third-party usage data backing Claude's strength in coding.
Related event: Claude Code share jumps to 78% after Opus 5.5 launch(2 posts)→
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