BREAKING
Anthropic Reopens Claude Fable 5
Pause and Restore Timeline
1
Released ~Jun 9
↓
2
Paused ~Jun 12
↓
3
Back worldwide
0
%
sessions fall back
0
%
full Fable 5
Fable 5 vs Opus 4.8 Benchmarks
Fable SWE-Bench
80.3
Opus SWE-Bench
69.2
Fable FrontierCode
29.3
Opus FrontierCode
13.4
Strengths and Tradeoffs
Strengths
●
Multi-file migrations
●
Stripe: 50M-line Ruby in a day
●
Planning and code review
Limits
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Roughly double the price
●
Overreacts to security audits
●
Can fail confidently
Classifier Fixes to Continue
AI NEWS BLITZ
Anthropic has brought its top-tier Claude Fable 5 model back online worldwide.