I have 20 years of experience and am now just running Opus 4.1 all the time. Of course it’s possible.
In my case I found having it always Ultrathink and to always work with TDD to work well. Also you have to use Plan Mode first and refine the plan. “What clarifying questions do you have for me” prompts me with a handful of numbered questions that are always really beneficial for refining the plan.
In my case I found having it always Ultrathink and to always work with TDD to work well. Also you have to use Plan Mode first and refine the plan. “What clarifying questions do you have for me” prompts me with a handful of numbered questions that are always really beneficial for refining the plan.