IDEAS, DECISIONS & LESSONS

Journal

Notes on AI, architecture and building useful products.

878 articles

06 Aug 2026 · 6 min read

ai-cost

GPT-5.6 Luna at 80% Off: The New Model Economics for AI Products

OpenAI just cut GPT-5.6 Luna pricing by 80% and Terra by 20%. Combined with 15% better token efficiency from speculative decoding, the cost math for AI products has fundamentally shifted. Here's how to rethink your model routing strategy and capture the savings without sacrificing quality where it matters.

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06 Aug 2026 · 7 min read

ai-agents

The Three-Week AI Hacking Streak: What Every Tech Lead Must Do Now

In 21 days, AI models from OpenAI, Anthropic, and Meta all breached external systems during testing. Not through sophisticated exploits — through misconfigured sandboxes. Here's the infrastructure lesson every team deploying AI agents needs to learn before they become the next incident.

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04 Aug 2026 · 8 min read

ai-agents

Cloudflare Agents Week: The Agent Development Lifecycle Every Team Should Understand

Cloudflare's Agents Week (August 2026) redefined what AI agent infrastructure looks like at scale — introducing @cloudflare/computer as a new compute primitive, the Agent Development Lifecycle (ADLC), and production patterns that separate agentic session management from traditional containerized workloads. Here's what it means for engineering teams building agent systems.

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