It doesn't need much. 1 good lucky answer in a 1000 or maybe 10k queries gives you the little exponential kick you need to improve. This is how the hockey stick take off looks like and we're already here - OpenAI has it, now deepseek has it, too. You can be sure others also have it; Anthropic at the very least, they just never announced it officially, but go read what their CEO has been speaking and writing about.