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Claude Sonnet 4.6

Claude Sonnet 4.6 brings Opus-approaching intelligence to the Sonnet tier with adaptive thinking, a context window of 1M tokens, strong agentic coding, frontend UI quality, and computer use accuracy improvements, plus MCP support for scaled tool use and interleaved thinking with tool calls.

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


const result = streamText({
  model: 'anthropic/claude-sonnet-4.6',
  prompt: 'Why is the sky blue?'
})
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