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What I use

The hardware, editors, languages, and services I reach for. Listed on uses.tech.

The tools I reach for daily. Most of these I picked for reasons specific to how I work — feel free to disagree, but know I've usually thought about it.

Hardware

  • 14" MacBook Pro (M-series).
  • 27" 4K external display when I'm at the desk.
  • Magic Keyboard, Logitech MX Master 3.

Editor & terminal

  • Zed — fast, minimal, multiplayer when it matters.
  • Ghostty terminal with the Fish shell.
  • Claude Code — daily driver for AI-assisted work. Worth its weight.

Languages

  • Python — ML, analysis, anything notebook-shaped. Lately reaching for polars over pandas.
  • Rust — production services. Where I put anything I want to outlive me.
  • TypeScript — front-end and anywhere I'd otherwise write Node.
  • Go — historical default for one-off CLIs.

Frameworks & libraries

  • Next.js for full-stack work, including this site.
  • FastAPI for Python HTTP services.
  • Actix-web for Rust HTTP services.
  • PyTorch when I need a real DL framework; scikit-learn when I don't.
  • Tailwind CSS for styling on every project.

Data & infra

  • PostgreSQL for transactional data, BigQuery for analytical workloads.
  • ChromaDB when I need a vector store quickly.
  • Docker + Kubernetes for deployment.
  • GCP primarily, AWS opportunistically, Azure for OpenAI access specifically.

ML & AI

  • Claude family models. Currently mostly Claude 4.7 Opus via the API.
  • GPT-4 / Azure OpenAI when the use case demands it.
  • YOLO for object detection; ChromaDB for retrieval.

What this site is built with

Next.js 16, React 19, Tailwind v4, framer-motion, react-markdown + KaTeX, Pagefind for search. Full list in package.json.


Inspired by Wes Bos's /uses and the /uses movement.

ChristopherSanchez.dev

Interactive explainers for machine learning, statistics, and the systems behind them — built so each idea is something you can manipulate, not just read.

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