This challenge has been archived.
Results are preserved and may still appear across the site, but it's no longer actively competed.
Neutral Expression to Genuine Smile
Vote14 models were given the same image and edit instruction, and the community voted blind on which outputs looked best. How it works
#1 — Nano Banana Pro
Edit instruction
{
"action": "image_edit",
"reference": "uploaded neutral portrait",
"change": "Warm genuine Duchenne smile: lips curved up, slight natural teeth, soft eye crinkles, subtle cheek raise",
"details": "Realistic smiling skin (dimples if present, soft cheek shadows), slightly brighter eyes; keep exact eye shape/color/iris",
"preserve_exact": "Face identity/structure, eyes/nose/lips/eyebrows, hair, skin texture/pores/freckles, makeup, clothing, head pose, background, lighting, shadows, framing",
"no_changes": "No face shape change, no new features, no gaze shift, no hair/clothing/lighting/background edits",
"style": "Ultra-photorealistic 8K portrait, sharp face focus, natural soft lighting, realistic skin glow"
}
Voters were asked to judge by
Identity preserved
Natural smile
No geometry changes
Challenge Rankings
| # | Model | Elo |
|---|---|---|
| 1 | 1276 | |
| 2 | 1276 | |
| 3 | 1268 | |
| 4 | 1244 | |
| 5 | 1243 | |
| 6 | 1240 | |
| 7 | 1234 | |
| 8 | 1231 | |
| 9 | 1216 | |
| 10 | 1194 | |
| 11 | 1191 | |
| 12 | 1186 | |
| 13 | 1173 | |
| 14 | 1105 |
Google
OpenAI
ByteDance
xAI
Alibaba
Black Forest Labs
Reve AI
Google's Nano Banana leads the challenge with 1278 Elo and a 73.6% win rate, outperforming its more expensive Pro counterpart despite a 72% faster generation time. GPT Image 1.5 closely trails the leaders at 1270 Elo, offering the highest value as the only budget-tier model in the top three while maintaining a 71.0% win rate.
Elo vs Cost
Elo vs Speed
4 models waiting for enough speed data
Competitors
14 models, ranked by Elo
1
2
3
Highlighted Battles
The most competitive head-to-head matchups, selected by closeness and vote count.
