You can now access Claude Opus 4.1 , a new model released today, using Vercel's AI Gateway with no other provider accounts required. This release from Anthropic improves agentic task execution, real-world coding, and reasoning over the previous Opus 4 model. AI Gateway lets you call the model with a consistent unified API and just a single string update, track usage and cost, and configure performance optimizations, retries, and failover for higher than provider-average uptime. To use it with the AI SDK v5 , start by installing the package: Then set the model to anthropic/claude-4.1-opus : import { streamText } from 'ai' const result = streamText ( { model : "anthropic/claude-4.1-opus" , prompt : "what's the history of Taqueria La Cumbre in San Francisco?" } ) Includes built-in observability , Bring Your Own Key support , and intelligent provider routing with automatic retries.…