Claude Sonnet 4.6 from Anthropic is now available on AI Gateway with the 1M token context window. Sonnet 4.6 approaches Opus-level intelligence with strong improvements in agentic coding, code review, frontend UI quality, and computer use accuracy. The model proactively executes tasks, delegates to subagents, and parallelizes tool calls, with MCP support for scaled tool use. As a hybrid reasoning model, Sonnet 4.6 delivers both near-instant responses and extended thinking within the same model. To use this model, set model to anthropic/claude-sonnet-4.6 in the AI SDK. This model supports effort and thinking type adaptive : import { streamText } from 'ai' ; const result = streamText ( { model : 'anthropic/claude-sonnet-4.6' , prompt : ` Build a dashboard component from this spec with responsive layout, dark mode support, and accessibility.…