Anthropic ships 42% of Claude releases on Tuesdays; community predicts Fable 5.5 next Tuesday
MeetSubstantial7999 · reddit · 2026-10-22
A Reddit user charted all 26 Claude model releases from March 2023 to October 2026, finding a strong Tuesday pattern: 42% shipped on a Tuesday, 96% Monday-Thursday, and none on weekends (Mon 5, Tue 11, Wed 4, Thu 5, Fri 1).
The chart also maps the Fable line (Fable 5 on 2026-06-09, Fable 5.1 on 2026-09-01, each paired with Mythos versions) and, combined with the recent Sonnet 5.5 / Opus 5.5 / Haiku 5.5 cadence, predicts "Fable 5.5" may arrive this Tuesday. Community speculation based on historical patterns, not an official leak.
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