Claude Sonnet 4 (<a class="inline-link" href="/docs/en/about-claude/model-deprecations">retired, except on Bedrock and Google Cloud</a>) pricing observed change: $3/1M in, $15/1M out, $3.75/1M cached → $3/1M in, $15/1M out, $1.5/1M cached.
The change
What changed
Before: $3/1M in, $15/1M out, $3.75/1M cached
↓
After: $3/1M in, $15/1M out, $1.5/1M cached
Evidence
Verbatim from source
"Claude Sonnet 4: $3 / MTok, Output: $15 / MTok, Cache: $1.5"
Trust signals
How we verified this
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Pricing verification
Verification method
🕐
9d ago
Last reconciled
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Primary citation
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