L'Oréal's CMO Reveals How Generative AI Cut Production Costs 40% and Created 50,000 Marketing Assets

L'Oréal just raised the bar for enterprise AI in marketing. The beauty giant announced a new partnership with OpenAI at VivaTech in Paris, extending its existing CreAItech generative AI production system — and the scale of what they've built is striking.

CEO Nicolas Hieronimus told analysts the system has already reduced production costs by 40% and enabled staff to produce 50,000 marketing assets. The new OpenAI deal adds the organization's latest image generation models and paves the way for Maybelline to build a virtual try-on experience inside ChatGPT itself.

Inside CreAItech

CreAItech is L'Oréal's internally developed AI content engine, built to help its 10,000-person global marketing team produce stills and video at scale for social, e-commerce, and paid media. It now incorporates models from OpenAI, Google (Gemini, Veo3, Imagen), Adobe, Seedance, Nvidia, and Stable Diffusion — giving teams flexibility to select the best model for each brief.

According to CMO Asmita Dubey, the goal isn't just speed. It's about reinvesting saved production time back into media spend. The company increased worldwide advertising and promotions spending by 10% in 2025, to $15.48 billion.

Key Takeaways

• 40% production cost reduction. L'Oréal's CEO shared this figure on an earnings call, with 50,000 marketing assets created through CreAItech as supporting evidence.
• L'Oréal is already advertising on ChatGPT. The company has run paid spend on the platform since April across CeraVe, Garnier, and pharmaceutical brands in the U.S.
• Product data pipeline to ChatGPT. The OpenAI deal includes feeding L'Oréal's product information directly to OpenAI's models — ensuring AI-generated recommendations pull from first-party data.
• 70,000 employees trained on AI. The investment extends beyond the marketing org into R&D, where GPT-Rosalind (a reasoning model for life sciences) will be deployed.

Per Gartner analyst Greg Carlucci, nearly one in five consumers now use generative AI tools to find product information — making L'Oréal's moves in AI-powered discovery critical for brand visibility in a post-search world.

🔗 Read the full article on Glossy