What is a reasoning model? When 'thinking first' is worth it

Lesson 7 of how the AI thinks: some models write out working before they answer. What that buys you, what it costs, and when to switch it on.

Aliteq
Sam Ortega · Build Editor

You now understand

Reasoning models write out working before answering

You now understand

The thinking is made of tokens, and they're billed

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Worth it for hard, multi-step problems, not small edits

What this means for your app

Use a thinking mode for the hard moments: planning a feature, untangling a bug that survived two fixes, or reviewing security. Switch it off for renames, copy tweaks and small edits, where you're…

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What is a reasoning model? When 'thinking first' is worth it

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