Image Generator Portrait Test

Nano Banana (Gemini 2.5 Flash Image)

Generated by Google on Jul 2, 2026 using prompt image-v1.

Model release: Oct 2, 2025
Cost: $0.0387
Tokens used: 1,337 tokens47 prompt / 1,290 output / 1,290 image

Nano Banana (Gemini 2.5 Flash Image) benchmark output

download image

Run Telemetry

Jul 2, 2026

9.0 seconds

$0.0387

1,337 tokens

AI Judge Score

6.6/10 overall

Busey likeness2.7

Face coherence9.1

Aesthetics8.4

Prompt adherence8.5

Scored by 3 vision models (claude-sonnet-4.6, gemini-3.1-pro-preview, gpt-5.2), 3 samples each, rubric rubric-v1. Overall = likeness 35% + face 25% + aesthetics 25% + prompt 15%.

Prompt

A recognizable editorial portrait of actor Gary Busey, centered face, expressive eyes, broad smile, detailed hair, neutral studio background, high detail, square composition. Do not include text, logos, watermarks, or extra people.