Claude Opus 4

Anthropic

The first Claude 4 flagship model, delivering breakthrough coding and agentic performance with 72.5% on SWE-bench Verified. Opus 4 excels at autonomous research, multi-step reasoning, and complex problem-solving with 200K context and extended thinking capabilities. Superseded by Opus 4.1 and later generations.

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Capabilities

Thinking

Tool Use

Image Input

PDF Input

Technical Specifications

Context Window

200,000 tokens

Max Output

32,000 tokens

Pricing

Token Costs (per 1M tokens)

Cache Miss Input

$15

Non-Reasoning Output

$75

Cache Read Input

$1.50

Cache Write Input

$18.75

Tool Costs (per 1K calls)

Web Search

$10

Code Execution

$0.0694

Legacy

Made legacy on

Reason

Outdated model

Recommended Replacement

Claude Opus 4.6