BREAKING
Anthropic Ships Fable 5 Prompt Guide
Less Micromanaging, Clearer Goals
0
M
context tokens
0
k
max output
0
%
cache savings
Pricing per Million Tokens
Input
10
Output
50
Fable 5 vs Mythos 5
Fable 5
General
●
Safety classifiers on
●
Falls back to Opus 4.8
●
On Claude.ai, API, cloud
Mythos 5
Glasswing
●
No safety classifiers
●
Select partners only
●
Restricted variant
Goals Over Elaborate Instructions
AI NEWS BLITZ
Anthropic just published an official prompting guide for its new flagship, Claude Fable 5.