Field Notes

Editorial notes on AI-engineering releases and research, each tied to its primary sources.

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  1. github.com

    unreal-agent: Async-first agent harness

    **Thesis:** Unreal Agent makes long-running agent work an explicit runtime and persistence problem, rather than treating it as a single prompt-and-tool loop.

    • agent-harness
    • codex
  2. simonwillison.net

    Introducing Mistral Large 4: Le chonk

    Mistral Large 4’s preview couples very large stated scale with a staged access path: API availability now and promised open weights later.

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