Claude Sonnet 4

Active

Balanced Claude 4 model for everyday tasks

Context Window
200K
Input Price
$3.00/1M
Output Price
$15.00/1M
Released
Sep 15, 2025

Capabilities

textvisionextended-thinkingtool-usecode

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Version History

Sep 15, 2025New Release

Claude Sonnet 4 launched alongside Opus 4