Coke vs Pepsi. BMW vs Mercedes-Benz. Apple vs Microsoft.Some brand rivalries become cultural shorthand. They shape consumer behavior, define categories, influence markets. They force a binary choice: pick a side, commit to an ecosystem, accept the trade-offs. Now, it’s AI’s turn.GPT vs Claude vs Gemini is the next big rivalry and this time, the stakes are different. The AI market is young, volatile, and rapidly evolving.It took Microsoft’s Windo…