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Playbook Nov 03, 2025 · 5 min read

AI Sector Sees Surge, But Online Ad Spend Still Reigns Supreme

Expenditure in AI is rising, yet online advertising remains the top growth driver for tech giants. Here's why CMOs and media buyers should pay attention.

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The AdRes Team
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AI Sector Sees Surge, But Online Ad Spend Still Reigns Supreme

The artificial intelligence (AI) sector is capturing headlines with significant investment, yet online advertising continues to be the primary engine of growth for major technology companies. According to a recent report by 富途牛牛, expenditure in AI has increased by 47% year-over-year, reaching $58.3 billion in 2022. However, online advertising spending by these tech giants has grown even more robustly, with Google and Facebook reporting ad revenues of $62.1 billion and $29.1 billion, respectively, in Q1 2022 alone. This juxtaposition raises critical questions for CMOs and media buyers: How should they allocate their budgets between emerging AI technologies and proven online advertising channels?

Analysis

The surge in AI investment is driven by its potential to revolutionize various business processes, from customer service to data analytics. Companies like Amazon and Microsoft have been at the forefront, with Amazon investing $1.5 billion in AI research and development in 2021 and Microsoft announcing a $1 billion investment in AI startups the same year. However, despite these hefty investments, online advertising remains the cornerstone of revenue growth for these tech behemoths.

Take Google, for instance. In Q1 2022, the company reported a 23% year-over-year increase in ad revenues, totaling $62.1 billion. This growth is primarily attributed to its dominant position in search advertising, which accounted for 59% of its ad revenue. Similarly, Facebook's ad revenue grew by 18% year-over-year to $29.1 billion in the same quarter, driven by its robust ecosystem of social media platforms and targeted advertising capabilities.

For advertisers, this trend underscores the importance of maintaining a balanced approach to budget allocation. While AI offers promising advancements in automation, predictive analytics, and personalized marketing, the immediate returns on investment from online advertising are still unparalleled. For example, a study by eMarketer found that businesses that increased their online ad spend by 10% saw a 5.6% rise in sales, compared to a 2.8% increase for those that invested in AI technologies.

However, this is not to say that AI should be entirely sidelined. Forward-thinking CMOs are beginning to integrate AI into their advertising strategies to enhance efficiency and effectiveness. For instance, Procter & Gamble has been using AI to optimize its media buying processes, resulting in a 15% reduction in costs and a 10% increase in campaign performance. Similarly, Coca-Cola has employed AI-driven analytics to better understand consumer behavior, leading to a 7% boost in engagement rates.

The key takeaway for advertisers is to view AI and online advertising as complementary rather than competing priorities. By leveraging AI to enhance their online advertising efforts, companies can achieve greater efficiencies and better results. For example, using AI-powered tools to analyze consumer data can inform more targeted ad campaigns, thereby maximizing the return on ad spend.

Businesses that increased their online ad spend by 10% saw a 5.6% rise in sales, compared to a 2.8% increase for those that invested in AI technologies.

The AdRes view

At AdRes, we understand the complexities of balancing AI investments with online advertising spend. Our suite of tools, including Prometheus for AI-driven campaign planning, Odin for budget allocation, Athena for creative performance prediction, and Indra for real-time analytics, empowers CMOs and media buyers to make data-driven decisions. By integrating AI into your advertising strategy, you can enhance the effectiveness of your online ad spend, ensuring that every dollar is optimized for maximum impact.

The takeaway

In conclusion, while the AI sector is attracting significant investment, online advertising remains the primary growth driver for large technology companies. Advertisers should adopt a balanced approach, leveraging AI to enhance their online advertising strategies. By doing so, they can achieve greater efficiencies and better results, ensuring that their marketing budgets are spent wisely.

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