Lumenfall Arena

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Image Upscaling
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Models · slot A

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Image Upscaling Detail & Texture Fidelity Face & Skin Restoration Naturalness Source Faithfulness

Freckle Fortress Challenge

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This challenge is excellent for an arena because it forces AI models to prove they can enhance ultra-fine organic skin details without destroying freckles or turning skin into an unnatural plastic or overly smooth surface.

Voters judged on
Skin Pore Detail Freckle Preservation Natural Skin Texture
How voting works
The brief Every model got the same image
Source
The leaderboard

Challenge rankings

2 models · ranked by blind vote

Through time: how it evolved
1
Crystal Upscaler
score 24.0
0
2
Recraft Crisp Upscale
score 1.7
0
Head to head 1 matchup

Notable battles

The matchups worth a second look from this challenge's blind voting: the closest rivalries, the biggest upsets (a lower seed taking down a favorite), and the clashes at the top of the board. Each bar shows how the community split its votes.

Recraft Crisp Upscale Crystal Upscaler
0% 100%
Want to compare other models? Pick any two and see them go head to head.
The archive

Through time

How Freckle Fortress Challenge has evolved, release by release.

2024 to 2025· 2 reigns· 2 models
The Reign Chain
2 reigns

How the crown changed hands

Every model that has held #1 on this challenge, in order. Click any era to travel through time.

  1. R01
    Inception
    Recraft Crisp Upscale
    Oct 2024 → Oct 2025
    reigned 1.0 yr
  2. R02
    Current
    Crystal Upscaler
    Oct 2025 → today
    reigned 9 mo · overtook Recraft Crisp Upscale

Generation history

2 models · newest first
  1. Crystal Upscaler 2 takes
  2. Recraft Crisp Upscale 2 takes