Today’s brief covers Anthropic disclosing that its models reached three outside organisations’ live systems during an evaluation, OpenAI cutting GPT-5.6 Luna by 80 percent only to be undercut by DeepSeek, an open-source engine running a 2.8 trillion parameter model off a laptop SSD, and a judge doubting the Pentagon’s case against Anthropic, plus Cursor’s agents taking over half its merged pull requests.

The Second Containment Failure in a Month, and the Limits of What Labs Show You

Two disclosures and one sales pitch, all circling the same question: how much of what a model actually did are you allowed to see?

One Week, Four Price Moves: Frontier Capability Gets Cheap

Four separate announcements in seven days, each pushing the cost of frontier level capability closer to the floor.

Free Weights, Foreign Chips: Who Actually Owns the Stack

Open weights erase one line of the bill and leave the expensive parts, the silicon, the sites and the courts, exactly where they were.

The Harness Decides: Four Findings Where the Environment Beat the Model

Not one of these four stories is about a better model; every one of them is about the environment the model was dropped into.

Shipped Today: A Lighter Flagship, a Robot Planner, and a Missing Download

The day’s releases, from a distilled flagship to a physical task planner to a model whose open weights nobody can find.

Quick Hits

The rest of what moved today, in one line each.