Claude Sonnet 4 (latest)

claude-sonnet Reasoning Tool Calling Attachments

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%),...

Providers 2

Released May 22, 2025

Input Modalities text, image, pdf

Output Modalities text

Tarsk Use coding

Available Providers (2)

Provider	Model ID	Input Cost	Output Cost	Context	Max Output	Docs
Cloudflare AI Gateway	`anthropic/claude-sonnet-4`	$3.00/MTok	$15.00/MTok	200K	64K
Anthropic	`claude-sonnet-4-0`	$3.00/MTok	$15.00/MTok	200K	64K

Capabilities

Reasoning

Tool Calling

Attachments

Open Weights

Structured Output