Opus is worse than Haiku and sonnet in terms for functional calling

Improving GPT 4 Function Calling Accuracy

Effortlessly install developer tools with easy-to-remember URLs

I refer to these people as the "glue" between two departments.

At big companies, this is mostly a management issue.

Questions like these are common 1.) Is this person part of the design team or engineering team? 2.) Who does this person report to, and how is his sprint planned?

And, as a company grows in size, managing people becomes a more important issue than focusing on minor product details.