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Claude Opus 4.1

Claude Opus 4.1 improves on Claude Opus 4 with targeted gains in agentic task execution, real-world coding, and multi-step reasoning, available on Vercel AI Gateway via anthropic, bedrock, vertexAnthropic with automatic retries and failover.

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


const result = streamText({
  model: 'anthropic/claude-opus-4.1',
  prompt: 'Why is the sky blue?'
})
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Try out Claude Opus 4.1 by Anthropic. Usage is billed to your team at API rates. Free users (those who haven't made a payment) get $5 of credits every 30 days.