
Numbers
How to get the most out of Fable 5.2 and Opus 5.5 in November 2026
Opus 5.5 or Fable 5.2: which model to start with, how much effort to give it, and when to switch, with Anthropic’s benchmarks and prompt cache costs.
How much and how many
The numbers going around, redone with the source next to them.
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Numbers
Opus 5.5 or Fable 5.2: which model to start with, how much effort to give it, and when to switch, with Anthropic’s benchmarks and prompt cache costs.