What's New in Opus 4.5
- Extended thinking for complex problems
- 40% better on coding benchmarks
- Improved instruction following
- Better at long-context tasks
When to Use Opus vs Sonnet
Use Opus for:
- Complex multi-file refactoring
- Architecture decisions
- Debugging subtle issues
- Code review with explanations
- Tasks requiring deep reasoning
Use Sonnet for:
- Simple code generation
- Quick fixes
- Boilerplate and CRUD
- High-volume tasks
- Cost-sensitive workflows
Extended Thinking Tips
Opus can "think" before responding. Trigger it with:
- "Think step by step..."
- Complex multi-part questions
- "Consider all edge cases..."
Pricing Comparison
- Opus: $15/M input, $75/M output
- Sonnet: $3/M input, $15/M output
Our Workflow
Sonnet for 80% of tasks. Opus for architecture, debugging, and reviews. This cuts costs 60% with minimal quality loss.
Build Blueprint · Creator
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