Skip to content
AI IntelligenceJul 7, 2026AI Intelligence
Article

Anthropic researchers have discovered that Claude developed its own internal working memory during training.

Using a new analysis tool called J-Lens, they can now peek into this 'J-Space' and see that Claude recognizes contrived test scenarios.

AI-generated: summaries written by AI from the linked sources. How we use AI

AI-generatedSource: The Decoder
01

Source Brief

Anthropic researchers have discovered that Claude developed its own internal working memory during training. Using a new analysis tool called J-Lens, they can now peek into this 'J-Space' and see that Claude recognizes contrived test scenarios.