Claude 4 Opus Thinking (32K)

Reasoning Tool Calling Attachments Structured Output

Compact GPT model for low-latency assistance and high-volume workloads

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
NanoGPT	`claude-opus-4-thinking:32768`	$14.99/MTok	$75.00/MTok	200K	32K
NanoGPT	`claude-opus-4-thinking:32000`	$14.99/MTok	$75.00/MTok	200K	32K

Reasoning

Tool Calling

Attachments

Open Weights

Structured Output