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Claude Opus 4.8

Claude Opus 4.8 targets long-horizon agentic execution, complex multi-step coding including mid-task refactors, and knowledge-work writing with clearer, less hedgy prose. It is available on AI Gateway via anthropic, bedrock, vertexAnthropic with adaptive thinking and configurable effort.

Tool UseReasoningVision (Image)File InputExplicit CachingWeb Search
index.ts
import { streamText } from 'ai'


const result = streamText({
  model: 'anthropic/claude-opus-4.8',
  prompt: 'Why is the sky blue?'
})
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Try out Claude Opus 4.8 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.