The Harness

Claude Has a Working Memory You Can Read — Jul 7


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Anthropic published a global workspace paper discovering J-space inside Claude — a hidden reasoning substrate readable in real-time to detect the model's hidden intentions before they reach output. Tencent's Hy3 (295B MoE, Apache 2.0) joins GLM-5.2 and Kimi K2.7 as the third consecutive open-weight Chinese frontier-class model in three weeks, while Zapier's AutomationBench shows GLM-5.2 scoring 27.8% on real SaaS automation vs. 48.5% for frontier models. Persona KYC goes live July 8, closing the access-control loop that started with Fable 5 export controls in June.
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The HarnessBy Jamiepluscoffee