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Why expensive models make terrible execution subagents
Subagent model selection has one costly default. Reasoning models obey their own traces 15.6% of the time, so here is where to pin model and effort.
Token-Compression Skills Do Not Survive Measurement
Token compression skills report savings the invoice never shows. Cache reads carry 87 percent of an agent bill, and cutting tokens can push the cost up.
Vercel's scriptc Compiles TypeScript to Native Binaries Without a Runtime
scriptc compiles TypeScript to 200KB native binaries with no JavaScript engine. What works, what falls back to quickjs-ng, and what npm deps mean for you.
How claude skills were meant to be made (by hand)
Hand-written claude code skills outperform generated ones because they carry only the delta the model needs. Drop the bloat and survive every model upgrade.
Every Model Release Ages Your Skills
Claude Code ignoring CLAUDE.md is often an aged file, not a model bug. See which instructions a release expires, and which lines to delete on day one.
Perplexity Isn't Shutting Down. Its Citation Corpus Might Shrink
No, Perplexity is not down. The lawsuits threaten which sources it can read, so plan for a thinner citation set inside a healthy 200, and detect it in code.
What Opus 5's Novel-Level Reasoning Benchmark Actually Means
Opus 5 novel reasoning rests on one number, 30.2% on ARC-AGI-3, and it scores action efficiency, not problems solved. Here are the four config lines to change.
7 Free Ways to Stop ChatGPT From Eating Your CPU, RAM, and Disk
Fix ChatGPT performance without spending a cent: diagnose high CPU, reduce RAM-heavy threads, stop disk churn, trim Git load, and disable unused MCP servers.
When Notion Becomes Too Much and Obsidian Not Enough
Notion vs Obsidian: identify whether workspace friction stems from tool fit, collaboration needs, or governance before you invest in a costly migration plan.