CMOs Face Pressure to Deliver AI Growth Without Budget Increases
Marketing leaders recognize AI's potential but lack the organizational readiness to capture its value, according to Gartner's 2026 CMO Spend Survey. The research reveals a critical gap between AI ambition and the infrastructure needed to implement it.
The survey gathered responses from more than 400 marketing leaders in North America, the UK, and Europe between January and March 2026. Most respondents managed organizations with annual revenue exceeding $1 billion.
Budgets Remain Flat
Marketing budgets rose only 0.1% year-over-year, reaching 7.8% of company revenue in 2026. This represents the continuation of what Gartner identified in 2023 as "the new normal" following the end of pandemic-era spending.
Within that constrained budget, marketers allocate an average of 15.3% toward AI initiatives. The flat budget environment is forcing CMOs to prioritize and reallocate resources rather than expand spending.
Ambition Outpaces Readiness
Seventy percent of CMOs say becoming an AI leader is critical for 2026. Yet 70% also acknowledge their marketing processes are not ready to effectively implement and scale AI.
Ewan McIntyre, VP Analyst and Chief of Research at Gartner, said the risk is clear: "CMOs invest in AI tools faster than they build the data foundations, processes, governance and talent required to scale them."
More than half of surveyed CMOs reported their budgets lack sufficient resources to meet annual objectives. Fifty-six percent said their budgets would be cut if they missed targets.
AI-Ready Organizations Pull Ahead
Marketing companies with mature or fully developed AI capabilities are establishing an early advantage. These organizations allocate 21.3% of their marketing budgets to AI-significantly above the 7.8% average-and report marketing budgets of 8.9% of company revenue.
The most advanced CMOs are not simply spending more on AI. They are building budget agility, innovation capacity, and operating discipline to convert AI investment into measurable business results.
Real-World Implementation
Global brands are already embedding AI into marketing operations. Mammut built its latest campaign around a Gemini-powered chatbot to respond to customer feedback on YouTube and X. TripAdvisor now handles 40% of customer support inquiries through AI chatbots, according to CEO Matt Goldberg.
These companies are using AI for chatbots, virtual focus groups, automated creative production, and media measurement and buying tools.
The Execution Challenge
Eighty percent of CEOs expect AI to drive significant organizational change. But CMOs face pressure to deliver growth, efficiency, and transformation without meaningful budget expansion.
Success will require deliberate, data-driven trade-offs and treating AI as a force multiplier rather than a standalone investment.
Learn more about AI strategy for CMOs or explore resources on AI for marketing.
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