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Claude Opus 5 Fast

claude-opusReasoningTool CallingAttachmentsStructured Output

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

Providers1
ReleasedJul 23, 2026
Input Modalitiestext, image
Output Modalitiestext
Tarsk Usecoding

Available Providers (1)

ProviderModel IDInput CostOutput CostContextMax OutputDocs
Venice AIclaude-opus-5-fast$12/MTok$60/MTok1M128K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output