models

Claude Opus 4

Anthropic's most capable model for complex analysis, research, and multi-step reasoning tasks.

Pricing

$15

Input ($/million tokens)

$75

Output ($/million tokens)

Quick Start

pythonimport anthropic

client = anthropic.Anthropic()
message = client.messages.create(
    model="claude-opus-4-20250514",
    max_tokens=4096,
    messages=[{"role": "user", "content": "Explain quantum computing"}]
)
print(message.content[0].text)

Visit Site ↗