16x Cheaper, Open Weights, and the Model That Doesn't Disappear on Fridays
Compares Kimi K2.7 and Claude Fable 5 using real production data (24 landing pages, 12 prompts).
Claude Sonnet 5 is the upgrade most people will use without noticing. Claude Fable 5 is the one I've been waiting three weeks for.
Two Anthropic announcements 24 hours apart. Sonnet 5 (30 June) becomes the new default, and its real story is follow-through on multi-step tasks. Fable 5 (1 July) returns after the 19-day export-control suspension. Argues that general capability is commoditising across labs while frontier coding intelligence remains the differentiator.