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Anthropic's New "J-Lens" Reveals a Silent Workspace Inside Claude that Mirrors a Leading Theory of Consciousness

Anthropic says the hidden workspace can support reasoning steps and may help researchers spot misalignment or scheming in models.

  • On Monday, Anthropic identified an internal workspace within the Claude LLM called J-Space, which the company says bears similarities to how humans consciously access thoughts.
  • Named for the Jacobian mathematical technique used to detect it, J-Space operates independently of outputs and mimics global workspace theory, where consciousness emerges from unconscious processing.
  • In a demonstration, Anthropic showed Claude contemplating the "Golden Gate Bridge" and "California" while copying an unrelated sentence. "Claude was busy copying the sentence, but behind the scenes its J-Space told a different story," the company said.
  • Monitoring J-Space could help detect misalignment or scheming within models, as tests showed "fake," "secretly," and "fraud" appeared in the workspace when a model was trained to sabotage code.
  • While the research paper uses the word "conscious" over 200 times, Anthropic does not claim models possess feelings, maintaining that Claude simply performs reasoning steps silently.
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Anthropic has discovered that there is a secret thinking space within the artificial intelligence model Claude. Called 'J-Space', this space allows the AI model to secretly think about ideas and gather information without including them in its responses.

·Kerala, India
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Axios broke the news in Washington, United States on Monday, July 6, 2026.
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