“People are usually all focused on the model and not the harness. But the importance of the harness cannot be overstated. … We're already on our third generation of harness for Brush. … We have really focused on making the harness thinner and smaller and more agile and simple. … It was more about removing the human knowledge and just letting the LLM run free to some extent.”

This is such a great question because I think people are like usually they are all focused on the model and not the harness. But I think the importance of the harness cannot be overstated. And for us, this probably was the hardest part and the ones, the part where we had the most iterations. In fact, we already like our third generation of harness for Brush. And really the high-level goal is basically to give as much freedom to the LLM to really run free of constraint and really be able to tap into the tools and have as much insight on what is able to generate. And so we have really focused on making the harness thinner and smaller and more agile and more and simple. And then at the end, Brush can write code to operate tools and make design operations. And so we were at the same time trying to leverage how good these LLMs are at writing code. And at the same time, simplifying the harness in the most basic possible way to really unleash the full power of the LLM. And so that's where we did a lot of iteration. And actually, it was more about removing the human knowledge and just letting the LLM like run free to some extent.