extended-thinking

name	extended-thinking
description	Deep reasoning with Claude's extended thinking feature for complex multi-step problems. Use when implementing think-aloud reasoning, complex analysis, or debugging difficult issues.

Extended Thinking Skill

Enable Claude to "think out loud" before responding - dramatically improves complex reasoning tasks.

When to Use Extended Thinking

• Complex math, logic, or coding problems
• Multi-step analysis requiring careful reasoning
• Tasks where you need to verify Claude's thought process
• Debugging intricate issues
• Strategic planning and decision-making

Budget Guidance

Complexity	Budget Tokens	Use Case
Simple	1,024	Quick verification
Medium	4,000-8,000	Standard analysis
Complex	16,000+	Deep reasoning
Very Complex	32,000+	Consider batch processing

Key Patterns

Basic Extended Thinking

See templates/basic-thinking.ts and templates/basic-thinking.py

Interleaved Thinking with Tools

Requires beta header: anthropic-beta: interleaved-thinking-2025-05-14

Streaming Extended Thinking

Stream thinking blocks for real-time visibility into reasoning process.