Strategic Model Selection: How to Cut Claude Code Costs Without Sacrificing Speed

Most developers default to Opus for all tasks, unknowingly paying premium prices for work that Haiku could complete in half the time. Strategic model selection—using Opus for complex reasoning, Sonnet for implementation, and Haiku for simple tasks—can dramatically reduce API costs while improving execution speed. Claude Code's model routing patterns make this optimization automatic, yet remain widely underutilized.