
Notes from
the build.
What we're building. What we're learning. Practical perspectives from engineers working alongside real teams.

Embedded engineering. Applied AI. Lessons from production.
In the Arena
6 articles in this topic

In the Arena #6: your business isn't the frontier
Sam Altman and Dario Amodei want to pace the frontier. Your next useful software project needs the right model, clear rules, and economics that work.

In the Arena #5: when should the agent ask a human?
Where AI tools become operational change, when agents should hand work back to a person, and how to check whether one recurring task is worth a small test.

In the Arena #4: ask for the twentieth run
The agent that passes once and fails the other nineteen, what companies actually bought in July, the one metric that survives cheap code, and the first of 33 questions executives asked.
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In the Arena #3: the model is the cheap part
The build that beat the buy, five verbs that moved a benchmark 59 points, who is actually shipping with AI, and the agent that found the answer key.

In the Arena #2: two agents are not two opinions
Correlated blind spots in agent swarms, the OpenAI number worth reading, Agent Plugins, and who funds the compute.

In the Arena #1: what small teams actually do with AI
Small teams stretching jobs with AI, the sixteen agent ceiling, and the EU's new disclosure rules.
