Nvidia Corp. (NASDAQ:NVDA) and Alphabet Inc. (NASDAQ:GOOG) (NASDAQ:GOOGL) have quietly become the two most dominant forces inside the Magnificent Seven, riding different paths to the same destination: artificial intelligence supremacy.

Nvidia's GPUs remain the backbone of the global AI buildout, powering everything from data centers to cutting-edge model training.

Alphabet, meanwhile, is pushing its own vertically integrated AI stack, from custom TPUs to Gemini, embedding intelligence directly across Search, Cloud and consumer products.

The market thus far has rewarded both approaches. Nvidia is up 33% year-to-date through Dec. 17, while Alphabet has surged 62%.

Zooming out further tells an even more dramatic story: since early 2023, Alphabet shares are up roughly 250%, while Nvidia has delivered a staggering 1,120% return.

That explosive run has made Nvidia the world's biggest company today, with a market capitalization of about $4.318 trillion, even briefly touching $5 trillion earlier this year. Alphabet ranks third at approximately $3.7 trillion, behind Apple's $4.05 trillion valuation.

Yet traders see a far closer race ahead.

On Polymarket, both Nvidia and Alphabet ...