12 min read
Extended Thinking in Claude: When Deep Reasoning Pays For Itself
A production guide to Claude's extended thinking mode. Real cost math, TypeScript SDK code, and the tasks where reasoning tokens are worth 3x the spend.
REASONING
2 articles
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VibeThinker-3B: A 3 Billion Parameter Model That Outscores Opus 4.5 on Reasoning
A new paper shows a 3B parameter model hitting 94.3 on AIME26 and 96.1% on LeetCode contests - matching or exceeding models 100x its size. The catch: it traded general knowledge for pure reasoning ability.
•6 min read
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