Benchmarks / DeckBench / Wrenfield Borough Council

Measured by Spring Prompt

Gemini 4 Carbon: Library services: choosing how to save £350,000

For the council's cabinet (elected members), meeting in public. The decision it supports: which of three options to adopt to save £350,000 a year from libraries.

Verdict
Presentable
Deck rating
1,021
Slides
6 (brief: 5-8)
Design quality
75%
  1. Slide 1 of Gemini 4 Carbon's deck
    Slide 1Download slide imagePolished
  2. Slide 2 of Gemini 4 Carbon's deck
    Slide 2Download slide imagePolished The lower 35–40% of each option card is empty, so the cards look oversized for their content
  3. Slide 3 of Gemini 4 Carbon's deck
    Slide 3Download slide imagePolished The square accent bar sits awkwardly against the rounded corners of the side panel, leaving a visible notch
  4. Slide 4 of Gemini 4 Carbon's deck
    Slide 4Download slide imageAcceptable The two libraries named in the takeaway are not visually highlighted in the table, so viewers must locate the relevant rows themselves.The Holloway and Marsh Lane rows, the subject of the title, are not highlighted in the table
  5. Slide 5 of Gemini 4 Carbon's deck
    Slide 5Download slide imageAcceptable The comparison table is text-heavy, with several wrapped cells that slow scanning.The recommended Option B column is not visually emphasised (no tint or border); only the header text marks it
  6. Slide 6 of Gemini 4 Carbon's deck
    Slide 6Download slide imageAcceptable The decision panel is a long, uniformly bold paragraph rather than a quickly scannable decision statement.The square accent bars clash with the rounded corners of the lower cards, leaving visible notches