Claude 4.6 Opus Thinking

claude-opusReasoningTool CallingAttachmentsStructured Output

High-end Claude for difficult coding, planning, and slower expert reasoning

Providers2

ReleasedFeb 5, 2026

Input Modalitiestext, image, pdf

Output Modalitiestext

Tarsk Usecoding

Available Providers (2)

Provider	Model ID	Input Cost	Output Cost	Context	Max Output	Docs
NanoGPT	`anthropic/claude-opus-4.6:thinking`	$5/MTok	$25/MTok	1M	128K
AIHubMix	`claude-opus-4-6-think`	$5/MTok	$25/MTok	1M	128K

Reasoning

Tool Calling

Attachments

Open Weights

Structured Output