Lesson 1559 of 2116
Reasoning-budget tradeoffs across Claude extended thinking and GPT-5
Both vendors let you spend more tokens on internal reasoning — when does it pay?
Lesson map
What this lesson covers
Learning path
The main moves in order
- 1The premise
- 2extended thinking
- 3reasoning tokens
- 4cost-quality tradeoff
Concept cluster
Terms to connect while reading
Section 1
The premise
More thinking tokens helps on hard tasks and wastes money on easy ones — route by task difficulty.
What AI does well here
- Reserve high reasoning budgets for complex multi-step tasks
- Measure quality lift per thinking token
What AI cannot do
- Promise that more thinking always helps
- Replace evals — guess-by-feel routing burns money
Key terms in this lesson
End-of-lesson quiz
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Tutor
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