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Claude Code vs Codex Limits, Measured in the Same Unit

Claude Code vs Codex limits, measured across 28 days and 56.8 billion tokens. Why token counts cannot predict quota burn, and what to read on each side instead.

Meta AnalysisAI CodingClaude CodeDeveloper ToolsComparisonMonitoringPerformance1 min read · Jul 28, 2026

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.

OpinionAI CodingClaude CodeDeveloper ToolsArchitecturePerformance1 min read · Jul 28, 2026

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.

Meta AnalysisAI CodingClaude CodePerformanceDeveloper ToolsCaching1 min read · Jul 28, 2026

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.

OpinionClaude CodeAI CodingDeveloper ToolsProductivity1 min read · Jul 26, 2026

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.

Meta AnalysisClaude CodeAI CodingDeveloper ToolsProductivityAutomation1 min read · Jul 25, 2026

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.

Meta AnalysisAI CodingAPI DesignMonitoringObservabilityTypeScriptDeveloper Tools1 min read · Jul 25, 2026

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.

Meta AnalysisAI CodingClaude CodeMLComparisonDeveloper Tools1 min read · Jul 25, 2026

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.

GuidesAI CodingPerformanceProductivityDeveloper Tools1 min read · Jul 24, 2026

6 Critics Grade My Post, Then Fix the Skill That Wrote It

Six critics grade the draft, then patch the SKILL.md that wrote it. The merge code, verdict ladder, and guardrails behind a self-improving Claude Code skill.

Meta AnalysisClaude CodeAI CodingDeveloper ToolsAutomationArchitecture1 min read · Jul 23, 2026