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500 monthly media thumbnails produced by AI × designer

Built a brand-guide-aligned AI generation → designer review flow that cut thumbnail production effort by 80%.

Client
Owned-media operator
Organization names are withheld due to confidentiality, but the industry and scale reflect a real project.
Industry / Theme
Media
Tags indicate the project’s primary theme and technology areas.
Period
2025
Years of the principal phases from kick-off through production launch. Operations support may still be ongoing.
Scope
Brand prompt design / automated generation pipeline / quality review criteria
We worked end-to-end across requirements, design, implementation, and post-launch operations.
01 — BACKGROUND

Background

An owned media property publishing 500 articles a month had thumbnail production as the bottleneck rate-limiting editorial. Outsourcing was on the table, but the only way to keep the brand’s world while moving the volume was AI plus our senior designers.

02 — APPROACH

Approach

A senior designer built prompt sets that faithfully reproduce the brand guide. From article headlines and categories, AI generates on-brand thumbnails; we built a review UI where the designer can approve in 3 seconds or fine-tune in 5.

  • A senior designer codified brand colors, typography, and motifs into master prompts
  • Editor enters article title → AI generates 4 candidates → one designer reviews and adjusts
  • Post-launch CTR data is fed back to the AI to continuously improve generation patterns
03 — RESULTS

Results

−80%
Thumbnail production effort
(vs. before)
  • Effort per thumbnail dropped from 25 minutes to 5 (−80%)
  • Editorial speed no longer rate-limited; monthly article output up 1.4×
  • Brand consistency held; CTR up 12% year-over-year