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Claude Opus 4

Claude Opus 4 is a coding model from Anthropic with strong benchmark scores, including 72.5% on SWE-bench Verified and 43.2% on Terminal-bench, with sustained performance on multi-hour agentic tasks and hybrid extended thinking with tool use.

File InputReasoningTool UseVision (Image)Explicit Caching
index.ts
import { streamText } from 'ai'


const result = streamText({
  model: 'anthropic/claude-opus-4',
  prompt: 'Why is the sky blue?'
})
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