Expired50% confidenceDecision RuleExact time
Going from the High to the Max reasoning tier costs more than twice as much but yields only a 4-percentage-point improvement, making High the most cost-effective default tier.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/14/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 10/12/2026(expired)
Sources
Codex高效使用指南：避免GPT-5.6疯狂烧额度的实用策略
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