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Building Production AI Agents for Marketing Agencies in 2026
The shift from text generation to autonomous marketing systems
If you're still using GPT-4o as a glorified copywriter, you're leaving money on the table. I've seen too many agency devs build clever AI integrations that spit out blog posts or ad headlines, then stop there. Meanwhile, the agencies actually winning in 2026 are shipping agents — systems that take a goal, plan multi-step actions, call real APIs (Meta, Google Ads, TikTok, GA4, your CRM), observe results, and loop until a marketi...