Creative economics vs Meta CPM increases.
Meta CPM has inflated structurally through 2024-2026. The brands shipping 2-4 ad variants per campaign are losing the auction to brands shipping 12-24. AI-augmented creative production is the response, and the brands without it are accumulating margin compression.
The CPM trajectory
Australian Meta CPM increased ~20-40% across 2024-2026 depending on category + audience. Reasons: more advertisers chasing the same Australian inventory, iOS-14 attribution disruption forcing more conservative bid strategies, post-pandemic B2C competitive intensity. The increases compound against brands that can't grow creative volume to offset.
Why creative volume offsets CPM increases
Meta's algorithm tests creative variants against audience segments + serves the best-matching variant. More variants = more algorithm-tested combinations = better cost-per-acquired-customer over time. A brand shipping 24 variants gets the algorithm an order of magnitude more combinations to optimise across vs a brand shipping 2-4.
The brands that ship 24 variants out-bid the brands that ship 4 even at higher CPM, because they're winning more audience matches per dollar spent.
Why most agencies can't ship 24 variants
Pre-AI-augmented production, 24 variants per campaign at retainer scale wasn't economic. Senior designer time at senior rates doesn't justify producing 24 variants of an ad concept. Per-variant cost-of-delivery makes the engagement marginal.
So most agencies ship 2-4 variants and call it good. Brands they serve get out-bid by brands at AI-augmented agencies. The compounding gap widens.
The AI-augmented production response
Brand-trained Imagen models produce on-brand variants at 5-10x the rate of human-only production. Hand-finished hero by senior designer + Imagen-augmented variants from the hero brief. Per-variant cost-of-delivery declines from senior-designer-hour-equivalent to senior-designer-fraction-equivalent.
Suddenly 24 variants per campaign is economically reasonable. The brands at AI-augmented agencies sustain the variant volume the algorithm rewards. Margin economics survive even at higher CPM.
Operational implication
For Australian B2C brands in 2026, AI-augmented creative production capability isn't optional. It's the structural response to CPM inflation. Brands without it are accumulating disadvantage, paying higher CPMs, getting less algorithm optimisation, watching CAC trend up.
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