Gartner has released a new guidance document titled "CMO Playbook for Brand-Led Growth in the Age of AI," aimed squarely at chief marketing officers recalibrating their growth strategies as artificial intelligence reshapes how marketing organizations operate.

The playbook positions brand-led growth as the organizing principle for CMOs at a moment when AI-driven tools are compressing the cost of content production, personalization and campaign execution. For marketing leaders, the central question the document addresses is direct: if execution becomes cheap and ubiquitous, what remains as a durable source of competitive advantage? Gartner's answer, as framed in the title and structure of the playbook, is the brand.

What is in the playbook?

The document is structured as a practical playbook rather than a research report. That format choice signals its intended use: CMOs and their leadership teams are expected to apply it as a working framework for planning, budget allocation and organizational design decisions over the coming planning cycles.

The title itself carries two load-bearing terms that marketing leaders should parse carefully:

• "Brand-led growth" — a deliberate contrast with demand-led or performance-led growth models, implying that brand investment sits at the center of the growth equation rather than as a supporting line item.
• "In the age of AI" — an explicit acknowledgment that the operating environment for brand building has changed, and that playbooks written before generative AI became mainstream marketing infrastructure no longer apply unchanged.

Why does this matter now for CMOs?

Gartner's decision to package this guidance as a CMO-level playbook, rather than as analyst research for channel owners or practitioners, indicates the intended audience is the executive who owns the growth agenda. The document joins a body of Gartner marketing leadership guidance that CMOs typically use to benchmark strategy, structure spend and defend budget positions with CEOs and CFOs.

The framing also lands amid a broader industry debate. Over the past two years, marketing organizations have redirected budget toward performance channels and AI-enabled activation, often at the expense of brand investment. Guidance that places brand at the center of the growth model — and does so explicitly in the context of AI — gives CMOs a structured argument for rebalancing.

What should marketing leaders do with it?

For CMOs and marketing leadership teams, three practical uses follow from the playbook's positioning:

• Strategy reviews. Use the playbook as a reference framework when assessing whether current growth plans over-index on short-term activation relative to brand building.
• Budget conversations. Bring it into planning discussions with finance and the executive committee as third-party structure for justifying brand investment in an AI-saturated media environment.
• Organizational design. Treat it as input when deciding which capabilities — brand management, creative strategy, AI operations — belong in-house versus with agency and technology partners.

What comes next?

Gartner clients typically receive access to the full playbook through the firm's marketing leadership research portal, where the document sits alongside related guidance on marketing strategy, AI adoption and budget benchmarking. CMOs outside the Gartner client base can expect the themes of the playbook — brand as the durable growth asset, AI as the commoditized execution layer — to surface in the firm's upcoming marketing symposia and published analyst commentary through the rest of the year.

For marketing leaders, the practical takeaway is straightforward. The cost of executing marketing continues to fall. The value of a brand that buyers recognize, trust and prefer does not. Gartner's new playbook argues that the CMOs who internalize that asymmetry first — and build their operating model around it — will be the ones who convert the AI era into brand-led growth rather than margin-erasing sameness.

The full document, "CMO Playbook for Brand-Led Growth in the Age of AI," is available from Gartner.