AI Ad Costs Plummet: Implications for NZ Marketers

Friday, 17 April 20267 min read1 views

Early data from ChatGPT's advertising pilot reveals a significant reduction in ad costs, with CPMs dropping by over 50% in a short period. This trend suggests a potential democratisation of AI-powered advertising opportunities, making it more accessible for brands.

What Happened

•ChatGPT's advertising pilot initially launched with a Cost Per Mille (CPM) of approximately $60.
•Within nine weeks of the pilot's commencement, CPMs have reportedly fallen to as low as $25.
•This represents a substantial decrease of over 50% in advertising costs on the platform.
•The reduction indicates an evolving pricing model and potentially increasing inventory or optimisation within the AI ad ecosystem.
•Source: Digiday, 17 April 2026.

Why It Matters for NZ Marketers

•Lower entry costs for AI advertising could enable smaller New Zealand businesses to experiment with innovative ad formats.
•NZ marketers can now potentially access advanced AI-driven targeting and creative generation at a more competitive price point.
•This trend might accelerate the adoption of AI tools within New Zealand's marketing agencies and in-house teams.
•Budget-conscious NZ brands could reallocate funds to test AI ad pilots, diversifying their digital spend.
•Increased accessibility could foster local innovation in AI ad content and campaign strategies.

Strategic Implications

•Evaluate current digital media budgets to identify opportunities for AI ad pilot programmes.
•Prioritise upskilling marketing teams in AI ad platform functionalities and performance measurement.
•Develop creative assets specifically tailored for AI-driven ad environments, focusing on dynamic content.
•Monitor global AI ad pricing trends to inform future media buying decisions and budget allocations.
•Consider early adoption to gain a competitive advantage in a rapidly evolving advertising landscape.

Future Trend Signals

•Continued downward pressure on AI ad costs as platforms mature and competition increases.
•Expansion of AI advertising beyond text-based models to include visual and audio formats.
•Integration of AI ad buying directly into broader programmatic platforms.
•Increased demand for AI-specific creative and optimisation specialists.

Sources

‘Everything is coming down’: ChatGPT ads are getting cheaper — Digiday

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