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Claude Opus 4.6

Claude Opus 4.6 is the first Opus model with a context window of 1M tokens, introduces adaptive thinking for model-decided reasoning depth, supports interleaved thinking and tool calls in a single response, and delivers equal or better performance than fixed extended thinking across programming, analysis, and creative tasks.

Tool UseReasoningVision (Image)File InputExplicit CachingWeb Search
index.ts
import { streamText } from 'ai'
const result = streamText({
model: 'anthropic/claude-opus-4.6',
prompt: 'Why is the sky blue?',
providerOptions: {
anthropic: {
speed: 'fast',
},
gateway: {
only: ['anthropic'],
},
},
})