From 154581c5797f10615c8a732f6b02253b7ed76758 Mon Sep 17 00:00:00 2001
From: Roo Code <roomote@roocode.com>
Date: Thu, 20 Nov 2025 16:54:19 +0000
Subject: [PATCH] fix: update Claude Sonnet 4.5 model name to
 claude-sonnet-4-5-20250929

- Changed model ID from claude-sonnet-4.5 to claude-sonnet-4-5-20250929 in OpenRouter provider
- Updated all references in test files to match new model ID format
- Fixes compatibility issues with URLs that do not recognize the dot notation

Fixes #9434
---
 packages/types/src/providers/openrouter.ts                | 6 +++---
 src/api/providers/__tests__/openrouter.spec.ts            | 4 ++--
 .../ui/hooks/__tests__/useSelectedModel.spec.ts           | 8 ++++----
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/packages/types/src/providers/openrouter.ts b/packages/types/src/providers/openrouter.ts
index 22285fe6f5..64a3caf550 100644
--- a/packages/types/src/providers/openrouter.ts
+++ b/packages/types/src/providers/openrouter.ts
@@ -1,7 +1,7 @@
 import type { ModelInfo } from "../model.js"
 
 // https://openrouter.ai/models?order=newest&supported_parameters=tools
-export const openRouterDefaultModelId = "anthropic/claude-sonnet-4.5"
+export const openRouterDefaultModelId = "anthropic/claude-sonnet-4-5-20250929"
 
 export const openRouterDefaultModelInfo: ModelInfo = {
 	maxTokens: 8192,
@@ -38,7 +38,7 @@ export const OPEN_ROUTER_PROMPT_CACHING_MODELS = new Set([
 	"anthropic/claude-3.7-sonnet:beta",
 	"anthropic/claude-3.7-sonnet:thinking",
 	"anthropic/claude-sonnet-4",
-	"anthropic/claude-sonnet-4.5",
+	"anthropic/claude-sonnet-4-5-20250929",
 	"anthropic/claude-opus-4",
 	"anthropic/claude-opus-4.1",
 	"anthropic/claude-haiku-4.5",
@@ -71,7 +71,7 @@ export const OPEN_ROUTER_REASONING_BUDGET_MODELS = new Set([
 	"anthropic/claude-opus-4",
 	"anthropic/claude-opus-4.1",
 	"anthropic/claude-sonnet-4",
-	"anthropic/claude-sonnet-4.5",
+	"anthropic/claude-sonnet-4-5-20250929",
 	"anthropic/claude-haiku-4.5",
 	"google/gemini-2.5-pro-preview",
 	"google/gemini-2.5-pro",
diff --git a/src/api/providers/__tests__/openrouter.spec.ts b/src/api/providers/__tests__/openrouter.spec.ts
index 118be755d7..1bf3d35733 100644
--- a/src/api/providers/__tests__/openrouter.spec.ts
+++ b/src/api/providers/__tests__/openrouter.spec.ts
@@ -28,7 +28,7 @@ vitest.mock("../fetchers/modelCache", () => ({
 				description: "Claude 3.7 Sonnet",
 				thinking: false,
 			},
-			"anthropic/claude-sonnet-4.5": {
+			"anthropic/claude-sonnet-4-5-20250929": {
 				maxTokens: 8192,
 				contextWindow: 200000,
 				supportsImages: true,
@@ -96,7 +96,7 @@ describe("OpenRouterHandler", () => {
 		it("returns default model info when options are not provided", async () => {
 			const handler = new OpenRouterHandler({})
 			const result = await handler.fetchModel()
-			expect(result.id).toBe("anthropic/claude-sonnet-4.5")
+			expect(result.id).toBe("anthropic/claude-sonnet-4-5-20250929")
 			expect(result.info.supportsPromptCache).toBe(true)
 			expect(result.info.supportsNativeTools).toBe(true)
 		})
diff --git a/webview-ui/src/components/ui/hooks/__tests__/useSelectedModel.spec.ts b/webview-ui/src/components/ui/hooks/__tests__/useSelectedModel.spec.ts
index 945b8aa63b..39e715293a 100644
--- a/webview-ui/src/components/ui/hooks/__tests__/useSelectedModel.spec.ts
+++ b/webview-ui/src/components/ui/hooks/__tests__/useSelectedModel.spec.ts
@@ -107,7 +107,7 @@ describe("useSelectedModel", () => {
 			mockUseRouterModels.mockReturnValue({
 				data: {
 					openrouter: {
-						"anthropic/claude-sonnet-4.5": {
+						"anthropic/claude-sonnet-4-5-20250929": {
 							maxTokens: 8192,
 							contextWindow: 200_000,
 							supportsImages: true,
@@ -146,7 +146,7 @@ describe("useSelectedModel", () => {
 			const { result } = renderHook(() => useSelectedModel(apiConfiguration), { wrapper })
 
 			// Should fall back to provider default since "test-model" doesn't exist
-			expect(result.current.id).toBe("anthropic/claude-sonnet-4.5")
+			expect(result.current.id).toBe("anthropic/claude-sonnet-4-5-20250929")
 			// Should still use specific provider info for the default model if specified
 			expect(result.current.info).toEqual({
 				...{
@@ -273,7 +273,7 @@ describe("useSelectedModel", () => {
 			mockUseRouterModels.mockReturnValue({
 				data: {
 					openrouter: {
-						"anthropic/claude-sonnet-4.5": {
+						"anthropic/claude-sonnet-4-5-20250929": {
 							// Default model - using correct default model name
 							maxTokens: 8192,
 							contextWindow: 200_000,
@@ -311,7 +311,7 @@ describe("useSelectedModel", () => {
 			const { result } = renderHook(() => useSelectedModel(apiConfiguration), { wrapper })
 
 			// Should fall back to provider default since "non-existent-model" doesn't exist
-			expect(result.current.id).toBe("anthropic/claude-sonnet-4.5")
+			expect(result.current.id).toBe("anthropic/claude-sonnet-4-5-20250929")
 			// Should use base model info since provider doesn't exist
 			expect(result.current.info).toEqual({
 				maxTokens: 8192,