model training and inference is the opposite. people switch LLMs like people change clothes in the morning. there are popular services (openrouter) that make moving as easy as changing a model string.
To its credit Google seems willing to disrupt itself before its competitors can.
They need to route all browser search strings to an LLM, and slowly begin to charge where people will pay. Likely ad space.
No, the top talent is clearly at Anthropic and OpenAI