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Even GPT-2 passes most functional global workspace tests.

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A LessWrong post says that Anthropic's global workspace paper by Gurnee et al. (2026) proposes five functional tests for a global workspace and, using a Jacobian lens, finds representations in Claude that pass all five.

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“tl;dr Anthropic’s global workspace paper (Gurnee et al., 2026) proposes five functional tests for a global workspace and, using the Jacobian lens (J-lens), finds representations in Claude that pass all five.”
LessWrong, 21 Oct 2026, 21:48.

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