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4 articles summarized · Last updated: LATEST

Last updated: September 14, 2026, 2:16 PM ET

Agent Architecture

A viral debate over loops versus graphs points to a shift in how AI systems are built, distinguishing graph engineering from prompt, context, and loop engineering.

Agent Knowledge

The skill-inflation panic is aimed at the wrong target, as teams weigh the cost of making agent knowledge a build artifact rather than a static file.

Production Systems

Perplexity now uses GPT-6 Astra to write communications, change software, and monitor production systems, checking in far less often than with earlier models.

AI Risk & Biotech

MIT Technology Review's daily Download covers roundtables on whether AI could truly kill us all, alongside age-reversal technology for eyes.