Gemini 3.5 Flash Quickly Solves Hidden Image Puzzle

fofrAI · x · 2026-07-13

The author fed the same hidden image challenge to Gemini 3.5 Flash (running in the Antigravity harness), and the model quickly grasped the core of the problem.

It first performed an autocorrelation analysis on the image, identifying distinct horizontal/vertical periods and deducing that the original image was a 5×5 grid of 25 tiles, each measuring approximately 590×310. The model then converted the image to a PNG and planned to continue analyzing the output using steganography tools like zsteg, binwalk, and strings, before splitting the image into 25 frames for averaging/differencing. The author believes this demonstrates the model's ability to quickly find the correct solution path for such visual puzzles.

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