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user: j_filipe
created: 2025-11-16
karma: 5

Building CostLens (https://costlens.dev) — AI cost attribution for engineering teams.

Previously: full-stack engineer working with Next.js, TypeScript, and LLM APIs.

Interested in: developer tools, AI infrastructure, cost optimisation.

submissions:

Claude Fable 5 costs $10/$50M tokens – what that means in production
7 points | 2 comments
Show HN: AI Efficiency Score – paste any GitHub repo, get a score in seconds
2 points | 0 comments
0 points | 0 comments
0 points | 0 comments
Show HN: I built CostLens SDK to cut my AI bills by routing to cheaper models
2 points | 2 comments