Field notes.
Real opinions about what AI is getting right and wrong for operators in 2026, written by us, in our own voice, not a content calendar. Plus the occasional teardown of something Izzy built and what it taught us.
Articles
LLM Vendor Lock-in: Why Switching Costs 10x More Than You Think
Most teams underestimate LLM switching costs by 3x. The issue isn't the API, it's prompt lock-in. Learn how to build a multi-provider strategy that works.
Claude Code Agent Teams vs. Subagents: Is the 7x Token Cost Worth It?
Is Claude Code Agent Teams worth the 3-7x premium? We compare Agent Teams, subagents, OpenClaw, and LangGraph to help you balance AI velocity vs. budget.
Why Your US-Built AI Observability Tool Can't Answer EU Auditor Questions
Is your AI stack compliant with GDPR and the EU AI Act? Most US observability tools fail on data residency and deletion. Here are the 5 gaps you need to close.
Your AI Agent Can't Explain Itself: Why LLM Observability Fails EU AI Act Compliance
Most AI agents fail Article 12 audit. Learn why standard observability isn't enough for EU compliance and how to build audit-ready traces for LangChain & CrewAI
Do You Actually Need LLM Observability? An Honest Review (2026)
An honest, transparent review of LLM observability for 2026. We analyze the ROI, EU AI Act compliance risks, and tell you exactly when you don't need a tool like PromptMetrics.
The gate is your hallucination detector
GPT-4 scored zero hallucinations on a major benchmark. Re-annotation found 83. Here's how operators catch confident errors without an ML team: the review gate.
Your Prompts Are Broken: A CTO’s Guide to Production Prompt Engineering
Stop treating prompts like conversation. Learn the 5 engineering techniques to fix prompt drift, cut LLM costs, and secure AI agents against indirect injection.
Why Cost per Token is Ruining Your AI Budget
Discover why cheaper LLMs often increase your total AI bill. Learn how tracking Cost per Success uncovers hidden escalation costs and truly optimizes AI FinOps.
Single-Agent vs. Multi-Agent AI: A CTO’s Guide to Architecture & Costs
Is your multi-agent system burning tokens? Discover the "Coordination Tax" hidden in agentic AI. We compare Single-Agent vs. Multi-Agent architectures on cost, reliability, and speed to help you build production-ready systems.
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