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Close-up of source code on a dark screen, illustrating Claude Opus 5.5 and Sonnet 5.5 coding workflows

Anthropic 5.5 models – DOs and DONTs

Short answer for the Anthropic 5.5 models: let Opus 5.5 plan, let Sonnet 5.5 do the hands-on work, keep Medium as your default effort, and skip Max / xHigh unless a task really needs it. Here is why.Anthropic launched Opus 5.5 one week ago, and ...
Close-up of source code on a dark screen, illustrating Claude Opus 5.5 and Sonnet 5.5 coding workflows

Opus 5 is dead, Long Live to Opus 5.5

After months and months of desperation from users - wait, no: Claude Opus 5 was launched just on July 24 - which means that not even two months (!) have passed until its successor is in.Also in this period, Fable 5.1 was launched (which means ...