Claude Opus 4.1 pricing observed change: $15/1M in, $75/1M out, $30/1M cached → $15/1M in, $75/1M out, $18.75/1M cached.
The change
What changed
Before: $15/1M in, $75/1M out, $30/1M cached
↓
After: $15/1M in, $75/1M out, $18.75/1M cached
Evidence
Verbatim from source
"Claude Opus 4.1 - $15 / MTok"
Trust signals
How we verified this
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Pricing verification
Verification method
🕐
7d ago
Last reconciled
🔗
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Primary citation
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