CUTTING OUR INFERENCE BILL BY 68% THROUGH OPTIMIZATION

Summary from the TLDR DevOps newsletter

Cloudflare reduced its AI code reviewer's average cost from $2.43 to $0.77 through shared prompt-cache prefixes, fewer redundant tool calls, and model and reasoning-effort changes. Median review time fell from 4 minutes 9 seconds to 1 minute 32 seconds, while quality checks exposed trade-offs where cheaper configurations missed important findings.