154 black + 359 white pure-color reference images at 1344x768 (9:16
portrait aspect ratio). Generated via gemini-2.5-flash-image model.
This resolution is not covered by the existing codebook and is one of
the most common mobile Gemini output formats.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
