Benchmarks / DeckBench / Pantry Lane

Measured by Spring Prompt

GPT-6 Astra: 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
Presentable
Deck rating
1,489
Slides
6 (brief: 5-8)
Design quality
100%
  1. Slide 1 of GPT-6 Astra's deck
    Slide 1Polished Yellow accent bar runs well below the three text lines, leaving an empty tail
  2. Slide 2 of GPT-6 Astra's deck
    Slide 2Polished ROAS values sit far to the right of the bars, so the eye has to bridge a wide gap to read them
  3. Slide 3 of GPT-6 Astra's deck
    Slide 3Polished The two cards do not line up internally: the right card's two-line description pushes its supporting text lower than the left card's
  4. Slide 4 of GPT-6 Astra's deck
    Slide 4Polished Three big numbers (18.2, 17.9, £0.79) compete for attention
  5. Slide 5 of GPT-6 Astra's deck
    Slide 5Polished The third stat label breaks awkwardly, leaving 'customer,' on its own line
  6. Slide 6 of GPT-6 Astra's deck
    Slide 6Polished The decision panel has empty space at the bottom, and its text wraps into short lines with a 'region.' orphan