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Users report Fable 5 performance decline weeks after launch

rcr-anti notes fewer tokens required for same results in Claude Code

A tracker of Claude Code performance disputes the degradation narrative, observing that newer versions require fewer tokens to achieve the same or better results, suggesting optimized prompt design and tool ergonomics rather than genuine capability loss.

rcr-anti notes fewer tokens required for same results in Claude Code
twitter.com

“Less thinking as measured by tokens isn't necessarily bad if you can get the same results by making it think about the 'right' things or structure.”

rcr-anti

Waterluvian Fable 5 userjotato gpt-5.6-luna usermlmonkey Frontier model researchertheplumber Claude userrcr-anti Claude Code tracker

The whole story articlespostscomments the bright band is this development · numbered dots are the others · click one to jump

Peak 9 pieces in two hours at Sep 21, 11 AM; 31 pieces over 5 days (2 articles · 2 posts · 27 comments) Sep 21, 11 AM — 9 pieces · 2 articles · 1 post · 6 comments — Hacker News 7, Newswires 2Sep 21, 1 PM — 8 pieces · 8 comments — Hacker News 8Sep 21, 3 PM — 2 pieces · 1 post · 1 comment — Hacker News 1, Mastodon 1Sep 21, 5 PM — 5 pieces · 5 comments — Hacker News 5Sep 21, 7 PM — 3 pieces · 3 comments — Hacker News 3Sep 21, 9 PM — 1 piece · 1 comment — Hacker News 1Sep 21, 11 PM — quietSep 22, 1 AM — 1 piece · 1 comment — Hacker News 1Sep 22, 3 AM — quietSep 22, 5 AM — quietSep 22, 7 AM — quietSep 22, 9 AM — 1 piece · 1 comment — Hacker News 1Sep 22, 11 AM — quietSep 22, 1 PM — quietSep 22, 3 PM — quietSep 22, 5 PM — quietSep 22, 7 PM — quietSep 22, 9 PM — quietSep 22, 11 PM — quietSep 23, 1 AM — quietSep 23, 3 AM — quietSep 23, 5 AM — quietSep 23, 7 AM — quietSep 23, 9 AM — quietSep 23, 11 AM — quietSep 23, 1 PM — quietSep 23, 3 PM — quietSep 23, 5 PM — quietSep 23, 7 PM — quietSep 23, 9 PM — quietSep 23, 11 PM — quietSep 24, 1 AM — quietSep 24, 3 AM — quietSep 24, 5 AM — quietSep 24, 7 AM — quietSep 24, 9 AM — quietSep 24, 11 AM — quietSep 24, 1 PM — quietSep 24, 3 PM — quietSep 24, 5 PM — quietSep 24, 7 PM — quietSep 24, 9 PM — quietSep 24, 11 PM — quietYesterday, 1 AM — quietYesterday, 3 AM — quietYesterday, 5 AM — quietYesterday, 7 AM — quietYesterday, 9 AM — quietYesterday, 11 AM — quietYesterday, 1 PM — quietYesterday, 3 PM — 1 piece · 1 comment — Hacker News 1Yesterday, 5 PM — quietYesterday, 7 PM — quietYesterday, 9 PM — quietYesterday, 11 PM — quietToday, 1 AM — quietToday, 3 AM — quietToday, 5 AM — quietToday, 7 AM — quietToday, 9 AM — quietToday, 11 AM — quiet 1–6
Sep 22Sep 23Sep 24yesterdaynow · 1:23 PM ET

Reported in the same hours no headline names this development itself — these 1 claim were published in its stretch

  1. first by HN Best, 5d ago · also HN Frontpage

What people said 2 voices · verbatim

All 6 developments of Users report Fable 5 performance decline weeks after launch →

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