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Claude 4.1 Opus Thinking

claude-opusReasoningTool CallingAttachmentsStructured Output

Flagship Claude model for deep reasoning, coding, and long-horizon agents

Providers4
ReleasedAug 5, 2025
Input Modalitiestext, image, pdf
Output Modalitiestext
Tarsk Usecoding

Available Providers (4)

ProviderModel IDInput CostOutput CostContextMax OutputDocs
NanoGPTanthropic/claude-opus-4.1:thinking:8192$15/MTok$75/MTok200K32K
NanoGPTanthropic/claude-opus-4.1:thinking:32768$15/MTok$75/MTok200K32K
NanoGPTanthropic/claude-opus-4.1:thinking:1024$15/MTok$75/MTok200K32K
NanoGPTanthropic/claude-opus-4.1:thinking$15/MTok$75/MTok200K32K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output