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Anthropic: Claude Sonnet 4
anthropic/claude-sonnet-4
VisionTool useReasoningStreaming
Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Achieving state-of-the-art performance on SWE-bench (72.7%),...
Pricing
Input
$3.00 / 1M
Output
$15.00 / 1M
Specs
Context
1,000,000 tokens
Input
image, text, file
Output
text
Knowledge cutoff: 2025-01-31
Released: 2025-05
Supported parameters
include_reasoningmax_tokensreasoningstoptemperaturetool_choicetoolstop_ktop_p