— Writing
Field notes on AI
Every SetKernel Digital Inc. essay on this topic, newest first.
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Workers AI vs OpenAI: A Cost-Quality Matrix at Low Volume
Most production AI features default to OpenAI by reflex. They shouldn't. A real comparison of Workers AI, OpenAI, and Anthropic Claude across the four tasks that actually show up in client engagements — embeddings, generation, transcription, classification — with real numbers and a routing strategy that uses each for what it's good at.
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Production RAG on Cloudflare Without LangChain
A 200-line RAG pipeline on Cloudflare Workers + Vectorize + D1 — the five primitives that matter, why frameworks rot at the wrong layer, and how to keep retrieval debuggable in production.
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MCP Servers in Production: When to Build, When to Skip
Model Context Protocol is the best primitive Anthropic shipped in 2025 — and the most over-applied. A field guide to when an MCP server is the right answer, when it's overkill, and how to operate one in production on Cloudflare Workers.