https://evolink.ai/claude-sonnet-4-6
Claude Sonnet 4.6 API: 128K Output, Extended Thinking | EvoLink
Claude Sonnet 4.6 API — best balance of speed, intelligence, and cost at $3/$15 per MTok. 1M context at standard pricing, 128K max output, extended thinking....
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https://platform.claude.com/docs/en/build-with-claude/extended-thinking
Building with extended thinking - Claude API Docs
Claude API Documentation
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https://dandelion-seeds.com/mini-review/https-wordpress-1270689-4587173-cloudwaysapps-com-mini_review-the-extended-mind-the-power-of-thinking-outside-the-brain/
The Extended Mind: The Power Of Thinking Outside The Brain - Dandelion Seeds
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