#Opus 4.6 articles

Using Claude 4.6 on Vertex AI | Model IDs for Sonnet & Opus

Answers to 'vertex claude 4.6' based on primary sources. The Claude 4.6 models available on Google Cloud's Vertex AI are Sonnet 4.6 (claude-sonnet-4-6) and Opus 4.6 (claude-opus-4-6). This article covers the differences between the two, how to choose, the alias-style model IDs without date suffixes and common mix-up pitfalls, 1M token support, Vertex GA for Opus 4.6, enabling in Model Garden, AnthropicVertex SDK call code, pricing differences, and migrating from 4.5.