With only a 100x increase in cost, we improved performance by 0.1x and continued plotting this concave-down diminishing-returns type graph! Hurray for logarithmic x-axes! Joking aside, better than ever before at any cost is an achievement, it just doesn't exactly scream "breakthrough" to me.
compute gets cheaper and cheaper every year. This model will be in your phone by 2030 if we continue at the pace we've been at the last few years.
The problem is that RAM stopped scaling a long time ago now. We're down to the size where a single capacitor's charge is held by a mere 40,000 or so electrons and all we've been doing is making skinnier, longer cells of that size because we can't find reliable ways to boost even weaker signals, but this is a dead end because as the math shows, if the volume is consistent and you are reducing X and Y dimensions, that Z dimension starts to get crazy big really fast. The chemistry issues of burning a hole a little at a time while keeping wall thickness somewhat similar all the way down is a very hard problem.
Another problem is that Moore's law hit a wall when Dennard Scaling failed. When you look at SRAM (it's generally the smallest and most reliable stuff we can make), you see that most recent shrinks can hardly be called shrinks.
Unless we do something very different like compute in storage or have some radical breakthrough in a new technology, I don't know that we will ever get a 2T parameter model inside a phone (I'd love for someone in 10 years to show up and say how wrong I was).