model-routing-ai-guidance

model-routing-ai-guidance follows the SKILL.md standard. Use the install command to add it to your agent stack.

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## priority: medium

# Model Routing & AI Guidance

## When to Use Sonnet 4.5 vs Haiku 4.5

**Use Sonnet 4.5 (claude-sonnet-4-5-20250929) for:**

- Rust core architecture & design decisions
- Complex algorithm optimization
- Safety-critical code changes
- Cross-cutting refactoring
- Error handling strategy & thiserror design

**Use Haiku 4.5 (claude-haiku-4-5-20251001) for:**

- Python/TypeScript/Ruby/PHP binding engineering
- Test writing & fixture management
- CLI tool development
- Integration issues (build system, CI/CD)
- Dependency updates & version bumping

**Applies to all tasks in this project** unless explicitly overridden.