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The Polylog AI Intelligence Brief

Morning Edition · Sunday, June 21, 2026

Meta Details How It Builds and Tests Advanced AI as Evaluation Becomes the Bottleneck

A look inside the lab's evaluation and infrastructure practices comes as the field acknowledges that testing, not training, increasingly determines what can be deployed.

Meta Details How It Builds and Tests Advanced AI as Evaluation Becomes the Bottleneck

Meta has published an account of how it builds and tests advanced AI at scale, describing the infrastructure and evaluation practices behind its model releases. On its own, a lab process post is minor. Read against the rest of this edition,…

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Oversight and Evaluation Lag Accelerating AI Capabilities

Over the next 3-6 months, evidence mounts that governance, evaluation, and agent-safety methods are failing to keep pace with capability growth, driving investment in interpretability, agent-manipulation benchmarks, and institutional-reform proposals.