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Writing · Field notes from the operating layer

Ideas for operating AI, not merely adopting it.

Essays, field reports, frameworks, and technical guides for the people responsible for making AI work.

Current essay · Models & Engineering

The AI Most People Haven't Met Yet

Chatbots continue and coordinate symbolic information. A different class of model represents how a bounded environment may change, often conditioned on action. Both are useful. Treating them as the same thing is why enterprise AI conversations keep talking past each other.

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Start with the work closest to the decisions you make.

Editorial pillars

Six editorial lenses. Each starts from a point of view, not a topic label.

Active series

Multi-part arguments, ordered as published.

Series / qwen38-local-wow

Qwen3.8: Same Weights, Different Product

A five-part investigation into how the harness and serving stack make Qwen3.8-27B useful: the reasoning dial, the harness delta (raw local 2/8 → harnessed 8/8), verified demos, portfolio economics, and native 262K context on 32 GB.

5 published parts5/5 planned
Browse in archive

Series / agent-native-work

Agent-Native Work

A four-part series on designing work for agents: why software got them first, every domain's AGENTS.md, the verification gap, and the practitioner-builder.

4 published parts4/4 planned
Browse in archive

Series / llm-os-modes

Modes of the LLM OS

A six-part series on the operating modes behind frontier AI: Chat, Agent, Deep Research, Cowork, and owned infrastructure.

6 published parts6/6 planned
Browse in archive

Series / token-economy

The Token Economy

A strategy and architecture series on token economics, model portfolios, and AI factory operations.

3 published parts3/3 planned
Browse in archive

Series / context-compilation

Context Compilation

The missing systems layer between retrieval and reasoning, from benchmark blind spots to measured evidence.

3 published parts3/3 planned
Browse in archive

Series / autonomous-stack

The Autonomous Stack

The architecture of intelligent systems, from the data substrate to agent runtimes and prescriptive intelligence.

4 published partsOngoing
Browse in archive

Series / agent-societies

Agent Societies

A field guide to what happens when agents interact at scale, from emergence to competence.

4 published partsOngoing
Browse in archive

Series / ai-native-computer

AI-Native Computer

A technical and operating-model series on what changes when AI becomes the computer, not just another app.

3 published partsOngoing
Browse in archive

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  1. Framework · April 19, 2026

    Operating Intelligence at Scale

    The economics of enterprise AI are now driven by routing, compression, caching, and infrastructure control. The AI factory pattern — dedicated GPU environments with federated routing — is becoming core enterprise infrastructure.

  2. Framework · April 12, 2026

    The Enterprise Model Portfolio

    The answer to the token economics problem isn't one model — it's a portfolio of six specialized model types served as internal API services. Near-frontier open models now handle 80–90% of enterprise tasks at a fraction of the cost.

  3. Framework · April 5, 2026

    The Token Bill Nobody's Ready For

    A single power user can generate 10-50 million AI tokens per day. Multiply that across an enterprise, and the math changes everything. Token economics is becoming the defining constraint of enterprise AI.

Newsletter · The Operating Layer

The dispatch for people accountable for making AI work.

A biweekly note on governed enterprise AI, written from inside the operating problem.

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Writing | Brian Letort