Anthropic
Claude Opus 4 (latest)
Flagship Claude model for deep reasoning, coding, and long-horizon agents
anthropic/claude-opus-4-0
Context
200K
Output
32K
Released
2025-05-22
Knowledge cutoff
2025-03-31
Types
InputTextImagePDF
OutputText
Reasoning
Supported
Tool use
Supported
Structured output
—
Attachments
Supported
Open weights
—
Provider pricing
No providers currently list this model.
Benchmarks
Aider Polyglot
72 · percent correct
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