
Claude Opus 5 Explained: Effort, Context, and Cost for Engineers
A developer's look at Claude Opus 5: the effort parameter, thinking-on-by-default, the 1M-token context window, cache-safe tool changes, and how fallb...

A developer's look at Claude Opus 5: the effort parameter, thinking-on-by-default, the 1M-token context window, cache-safe tool changes, and how fallb...

For two years, prompt engineering was the AI skill everyone wanted. LinkedIn courses, boot camps, six-figure job titles. Then something changed. In 20...