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Claude Opus Latest

Reasoning Tool Calling Attachments Structured Output

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

Providers 3
Released Mar 29, 2026
Input Modalities text, image, pdf
Output Modalities text
Tarsk Use coding

Available Providers (3)

Provider Model ID Input Cost Output Cost Context Max Output Docs
NanoGPT anthropic/claude-opus-latest $5.00/MTok $25.01/MTok 1M 128K
Kilo Gateway ~anthropic/claude-opus-latest $5/MTok $25/MTok 1M 128K
OpenRouter ~anthropic/claude-opus-latest $5/MTok $25/MTok 1M 128K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output