Benchmarks / DeckBench / Pantry Lane

Measured by Spring Prompt

GPT-6 Luna: Paid media: H1 2026 allocation

For the CMO and the finance director. The decision it supports: how to allocate the £2.4m paid media budget for H1 2026.

Verdict
Not presentable
Deck rating
1,273
Slides
6 (brief: 5-8)
Design quality
75%

Why it is not presentable

  • Layout defect: something off the slide, colliding, too small or too faint to read

In detail

  • Slide 2: text 6: 9 pt text.
  • Slide 5: text 13: 9 pt text.
  1. Slide 1 of GPT-6 Luna's deck
    Slide 1Polished
  2. Slide 2 of GPT-6 Luna's deck
    Slide 2Acceptable A large empty gap separates the table from the takeaway box, weakening their visual connection.Large empty gap between the table and the takeaway callout leaves the lower half of the slide unbalanced
  3. Slide 3 of GPT-6 Luna's deck
    Slide 3Polished
  4. Slide 4 of GPT-6 Luna's deck
    Slide 4Acceptable The short table leaves a large unused area beneath it, making the layout feel unbalanced beside the tall sidebar.Large empty area below the table while the side panel runs much taller, so the layout feels unbalanced
  5. Slide 5 of GPT-6 Luna's deck
    Slide 5Polished In the left card the stat groups are tightly stacked with little separation, so each caption crowds the next figure
  6. Slide 6 of GPT-6 Luna's deck
    Slide 6Acceptable The budget list occupies only the left side of its wide panel, leaving substantial unused space.The last value (£350k) sits on the bottom border of the left card and collides with the card edge