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  1. Users
  2. Noah Kim
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Noah Kim

noah.kim@northline.aiProduct Designer · Product
Tools used
GeminiClaudeCursor
AI spend (3 mo)$6,214.71
Savings$2,053.99

Noah's Token Efficiency Over Time

Score out of 100 · cooled off after a peak

Noah's Monthly AI Spend

Spend down 21% while output volume rose

What improved Noah's usage

  • Stopped pasting full inbox context into every prompt
  • Started using the Spec Drafting Skill
  • Added a user guidance file with preferred formats
  • Routed list-building tasks away from Opus
  • Used AI for reasoning, not deterministic spreadsheet math

Noah's top workflow

User Research Synth

Interview notes, theme clustering, and insight memos

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L
M
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$6589 convos

Noah vs Product

Efficiency vs. cost compared with teammates
Efficiency vs. Cost
EfficiencyToken Spend

Noah's user.md

user.mdVery Efficient
14 lines · under the ~40-line always-on budget
# user.md

You're an experienced Product Designer working on product UX for B2B operators. You turn research and constraints into clear flows, and partner tightly with Engineering and PMs.

## Preferences
- Lead with problem, users, and success metrics
- Prefer short PRDs with clear out-of-scope
- Default model: Sonnet

## Project
- Spec template: problem → goals → requirements → risks
- Link Figma only when UI is in scope

## Do not
- Attach entire Drive folders
- Invent roadmap commitments

## Load on demand
- @prd.md · @competitive.md · @release.md