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fix: correct Vertex AI claude-sonnet-4-6 model ID #11626

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Merged
hannesrudolph merged 1 commit into from
Feb 20, 2026
Merged

fix: correct Vertex AI claude-sonnet-4-6 model ID #11626

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4 changes: 2 additions & 2 deletions packages/types/src/providers/vertex.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -292,7 +292,7 @@ export const vertexModels = {
},
],
},
"claude-sonnet-4-6@20260114": {
"claude-sonnet-4-6": {
maxTokens: 8192,
contextWindow: 200_000, // Default 200K, extendable to 1M with beta flag 'context-1m-2025-08-07'
supportsImages: true,
Expand Down Expand Up @@ -541,7 +541,7 @@ export const vertexModels = {
export const VERTEX_1M_CONTEXT_MODEL_IDS = [
"claude-sonnet-4@20250514",
"claude-sonnet-4-5@20250929",
"claude-sonnet-4-6@20260114",
"claude-sonnet-4-6",
"claude-opus-4-6",
] as const

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2 changes: 1 addition & 1 deletion src/api/providers/__tests__/anthropic-vertex.spec.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -901,7 +901,7 @@ describe("VertexHandler", () => {

it("should enable 1M context for Claude Sonnet 4.6 when beta flag is set", () => {
const handler = new AnthropicVertexHandler({
apiModelId: "claude-sonnet-4-6@20260114",
apiModelId: "claude-sonnet-4-6",
vertexProjectId: "test-project",
vertexRegion: "us-central1",
vertex1MContext: true,
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