Claude Code in Practice (5): Model Mix Strategy
Tests with Haiku, refactoring with Sonnet, architecture with Opus. Learn how to optimize both cost and quality by selecting the right model for each task.

Claude Code in Practice (5): Model Mix Strategy
Tests with Haiku, refactoring with Sonnet, architecture with Opus. Learn how to optimize both cost and quality by selecting the right model for each task.
TL;DR
- Haiku: Fast and cheap → Tests, simple fixes, code search
- Sonnet: Balanced → General development, refactoring, debugging
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