I mapped Anthropic’s J-Space Hallucination signal across 7 datasets on Qwen3-4B to find out where it works and where it breaks

Anthropic recently published their paper on "Global Workspaces" (J-Space) inside language models, showing that looking at internal "workspace noise" (entropy) can catch hallucinations better than just looking at output logprobs. `solarkyle` followed up with a great open-source implementation showing

中文全文翻译正在补齐，可先查看下方英文原文。

Anthropic recently published their paper on "Global Workspaces" (J-Space) inside language models, showing that looking at internal "workspace noise" (entropy) can catch hallucinations better than just looking at output logprobs. `solarkyle` followed up with a great open-source implementation showing