All Models

Claude 4.1 Opus

Reasoning Tool Calling Attachments Structured Output

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

Providers 2
Released Aug 5, 2025
Input Modalities text, image, pdf
Output Modalities text
Tarsk Use coding

Benchmarks

28.8
Intelligence Index

Available Providers (2)

Provider Model ID Input Cost Output Cost Context Max Output Docs
NanoGPT claude-opus-4-1-20250805 $15/MTok $75/MTok 200K 32K
Qiniu claude-4.1-opus —/MTok —/MTok 200K 32K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output