Kimi K3.1 Pro leak teases open weights by Nov 4, 2026 as progress index reportedly tops Fable 5
teortaxesTex · x · 2026-10-30
Leaked screenshots suggest Kimi K3.1 Pro and K3.1 Pro Highspeed are coming to Kimi.ai, Kimi Work and Kimi Code, with open weights "by Nov 4, 2026" — not yet officially confirmed. A commenter checked a Progress Index site and found K3.1 at 341, ahead of Fable 5 at 329, a capability level deemed too dangerous to release 4-5 months earlier.
The thread also captures the timeline debate on when Chinese models reach Fable-class: teortaxesTex previously argued GLM 5.2 implies a 7-month gap with full parity by Nov-Dec 2026; Elon Musk replied "Probably Q1," Z.ai's jietang said "won't take that long," and Musk added that on true usefulness even Q1 would be very impressive.
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