Claude Extended Thinking Mode Is Now Generally Available: What Developers Need to Know

Claude Extended Thinking Mode Is Now Generally Available: What Developers Need to Know

Introduction Anthropic made Extended Thinking generally available for the Claude API on June 26, 2026. Extended Thinking is a mode where Claude works through a problem step by step before generating a final answer — thinking through intermediate reasoning that is visible to developers but not included in the response token count in the same … Read more