BREAKING
Anthropic: Fable 5 as advisor
Executor calls advisor on demand
1
Sonnet 5 executes
↓
2
Needs guidance?
↓
3
Call Fable 5 advisor
Fable 5 vs Sonnet 5 output price
Fable 5 out
50
Sonnet 5 out
10
Fable 5 in
10
Sonnet 5 in
2
0
%
SWE-bench Pro score
0
%
of that price
0
%
BrowseComp perf
0
%
of that price
Upside and open issues
Wins
●
Insight kept, cost curbed
●
Migrations from months to days
●
Advisor across Code and API
Concerns
●
Fable 5 token-hungry
●
Safety classifier false positives
●
Export limits and bug reports
AI NEWS BLITZ
AI NEWS BLITZ
Anthropic shares a low-cost pattern using Fable 5 as an advisor while Sonnet 5 executes.