How does Fable 5.1 hide messages in images?
Summary
The article investigates how Fable 5.1 encodes messages within rendered SVG images and how a separate decoder instance can extract those messages from a screenshot. It documents multiple encoding strategies (e.g., height-based encoding), provides a detailed methodological walkthrough, and reports a recovered message with high confidence. It also discusses implications for AI steganography and cross-model decoding, highlighting potential security considerations for model auditing.