Is highest bid a necessity to win search ads?

No, the highest bid is not a necessity to win search ads on Google. Ads are ranked based on a combination of bid and quality, meaning that even with the highest bid, an ad might not win if its quality is lower compared to others. The ad with the best combination of bid and quality secures the top position in search results^[1].

Additionally, auction dynamics can influence pricing. While being in a higher position often requires more payment, factors like advertising competition can lead to lower prices, as advertisers may split their budgets, reducing auction pressure and allowing for lower costs overall^[2][3].