Cost, freshness, and style — the decision tree and when to combine.
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Fine-tune vs RAG vs prompt engineering: how do you choose in 2025-26?
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01
Understand the problem
finetunerag
02
Attempt it yourself
Sketch your approach before reading the solution — that's what interviews test.
Nudge consolestandby
Stuck? Beam a request up — the console returns a conceptual nudge that guides your logic without spoiling the implementation.
03
Study the solution
Prompt+RAG for knowledge (fresh, cited); fine-tune for style/format/tool-use; prompt engineering first. Cost order: prompt < RAG < LoRA < full FT.
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04
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