{"version":"2.1.282","anchor":"websearch-on-vertex-model-allow-list-replaced-with-anythin","canonical_anchor":"websearch-on-vertex-model-allow-list-replaced-with-anythin","heading":"WebSearch on Vertex now works with every model except claude-opus-4-0","tier":"notice","area":"Vertex","url":"https:\/\/changelogs.core-directive.com\/v\/2.1.282\/e\/websearch-on-vertex-model-allow-list-replaced-with-anythin","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.282","markdown":"### WebSearch on Vertex now works with every model except claude-opus-4-0\n\nOn Google Vertex, WebSearch is now enabled for any model except claude-opus-4-0 instead of only six listed model families\n\n**Unclear.** It is not clear whether the exclusion covers only claude-opus-4-0 exactly or other model names that start with it.\n\n**What**\n\nIf you use Claude Code through Google Vertex AI, the WebSearch tool (which lets Claude search the web) was previously available only when your model belonged to one of six named families. It is now available for every model except `claude-opus-4-0`.\n\nThis applies to everyone using the Vertex provider, with no setting involved.\n\n**Why**\n\nVertex users on models that were missing from the old list, including newer model families, now get WebSearch.\n\n- Area: Vertex\n- Tier: You'll notice\n- Useful: 3\/5\n- Signal: 1\/5"}