Claude Code + Performance
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8 posts
OpenCode vs Claude Code on the Same Tasks: Same Passes, Different Paths
OpenCode vs Claude Code on four graded tasks. Both hit 4/4. Paths diverged on tools, wall time, and reported tokens. Product lane, not a same-model lab.
Fat Instruction Files Hurt Frontier Coding Agents
A fat instruction file costs more and can follow less. Thin rules passed every check. Fat files dropped to 80% and burned 21x the prompt tokens on the same task.
30 tips and tricks with Claude Code CLI on WSL
Claude Code on WSL returns fewer search matches than exist when a repo sits on /mnt/c. A 2,000-file benchmark, plus 30 fixes for the WSL boundary.
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.
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.
Why Astro, Cloudflare Workers, and Claude Code Fast Track Production
Astro Cloudflare Workers stack ships 90% less JavaScript, starts in under 5ms, and runs workerd in dev. The migration gotchas nobody covers, solved.
Cut MCP Round-Trip Overhead by Looping Inside the Tool
MCP round-trip overhead can balloon a task from 2,000 to 150,000 tokens. Move the loop inside one MCP tool to collapse N calls into a single round-trip.