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Anthropic

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 AI Gateway via Anthropic, Bedrock, Google Vertex AI with automatic retries and failover. Your use subject to Anthropic's Terms & Privacy Policies.

File InputReasoningTool UseVision (Image)Explicit Caching
Use with AI GatewayView docs
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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Frequently Asked Questions

  • What specific improvements does Claude Opus 4.1 make over Opus 4?

    Claude Opus 4.1 improves agentic task execution, real-world coding, and reasoning over the Opus 4 baseline. It refines multi-step workflows and complex code generation while keeping the same API interface.

  • How do I switch from Claude Opus 4 to Claude Opus 4.1 in my existing code?

    Update the model string to anthropic/claude-opus-4.1 in your AI SDK v5 integration. No other code changes are required for the common case.

  • Which providers back Claude Opus 4.1 on AI Gateway?

    AI Gateway routes Claude Opus 4.1 through Anthropic, Bedrock, Google Vertex AI, with automatic failover between providers.

  • Is Claude Opus 4.1 a different model from Opus 4, or an incremental update?

    Claude Opus 4.1 is a targeted advance on the Opus 4 baseline, not a new architecture. Expect refinements in agentic task execution, coding, and reasoning rather than a fundamentally different model.

  • Does Claude Opus 4.1 support extended thinking with tool use?

    Claude Opus 4.1 is part of the Claude 4 generation, which introduced extended thinking with tool use. Check the API documentation for the specific capabilities available on this checkpoint.

  • What latency should I expect from Claude Opus 4.1 through AI Gateway?

    See live performance metrics on this page for current throughput. AI Gateway surfaces real traffic data rather than published benchmark numbers.

  • When was Claude Opus 4.1 made available on AI Gateway?

    August 5, 2025, the same day Anthropic released the model.