Claude Code 2.1.265 reveals 3 unannounced model tags and a 69.7% prompt token cut

ClaudeCodeLog · x · 2026-09-09

The claude-code-changelog tracker's deeper diff of Claude Code 2.1.265 surfaces internal details: three new model tags — claude-tag-data-viz, claude-tag-oncall, claude-tag-troubleshoot — pushing the detected model count from 155 to 158, hinting at Anthropic's specialized task models. Prompt tokens dropped 69.7% (-31,353) with prompt files down 35.3%, and the mix shifted from 79% system / 21% tools to 69.3% tools / 30.7% system. Bundle size grew 413.8 kB (+0.9%) just 2d17h after the previous release.

Related event: Claude Code 2.1.265 Rolls Out 50 CLI Changes, Hints at New Models(3 posts)→

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