Field Notes

Field notes from
shipping AI.

Engineering and ops writing from the team — evals, agents, RAG, cost guardrails, and the patterns we ship into every Pro and Custom build. Published when we have something we’ve actually run in production and not before.

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Decision Tools

When to use RAG vs. fine-tuning in 2026

A practical decision tree, with the questions we actually ask in scoping calls.

Daniel Reinhardt/Partner, Strategy

March 25, 2026/8 min read

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Field notes from shipping AI.

When to use RAG vs. fine-tuning in 2026

Field notes from
shipping AI.