Unverified50% confidenceDecision RuleExact time
Model selection rule of thumb: use Opus 5.5 for flagship complex reasoning tasks, Sonnet 5.5 for routine tasks balancing cost-effectiveness and throughput, and lighter options for extremely cost-sensitive or simple tasks.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/28/2026
First Seen
Valid until: 12/27/2026
Sources
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