feat: sonnet 4.5 updates, 3.5 deprecation

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -28,7 +28,7 @@ body:
         - **OS**: macOS
         - **Continue version**: v0.9.4
         - **IDE version**:  VSCode 1.85.1
-        - Model: Claude Sonnet 3.5
+        - Model: Claude Sonnet 4.5
         - Agent configuration
       value: |
         - OS:

core/config/workspace/workspaceBlocks.ts

@@ -42,9 +42,9 @@ function getContentsForNewBlock(blockType: BlockType): ConfigYaml {
       configYaml.models = [
         {
           provider: "anthropic",
-          model: "claude-3-7-sonnet-latest",
+          model: "claude-sonnet-4-5",
           apiKey: "${{ secrets.ANTHROPIC_API_KEY }}",
-          name: "Claude 3.7 Sonnet",
+          name: "Claude Sonnet 4.5",
           roles: ["chat", "edit"],
         },
       ];

core/llm/llms/Anthropic.vitest.ts

@@ -134,7 +134,7 @@ describe("Anthropic", () => {
   test("streamChat should send a valid request", async () => {
     const anthropic = new Anthropic({
       apiKey: "test-api-key",
-      model: "claude-3-5-sonnet-latest",
+      model: "claude-sonnet-4-5",
       apiBase: "https://api.anthropic.com/v1/",
     });
 
@@ -155,7 +155,7 @@ describe("Anthropic", () => {
           "x-api-key": "test-api-key",
         },
         body: {
-          model: "claude-3-5-sonnet-latest",
+          model: "claude-sonnet-4-5",
           max_tokens: 8192,
           stream: true,
           messages: [
@@ -177,7 +177,7 @@ describe("Anthropic", () => {
   test("chat should send a valid request", async () => {
     const anthropic = new Anthropic({
       apiKey: "test-api-key",
-      model: "claude-3-5-sonnet-latest",
+      model: "claude-sonnet-4-5",
       apiBase: "https://api.anthropic.com/v1/",
     });
 
@@ -198,7 +198,7 @@ describe("Anthropic", () => {
           "x-api-key": "test-api-key",
         },
         body: {
-          model: "claude-3-5-sonnet-latest",
+          model: "claude-sonnet-4-5",
           max_tokens: 8192,
           stream: true,
           messages: [
@@ -220,7 +220,7 @@ describe("Anthropic", () => {
   test("streamComplete should send a valid request", async () => {
     const anthropic = new Anthropic({
       apiKey: "test-api-key",
-      model: "claude-3-5-sonnet-latest",
+      model: "claude-sonnet-4-5",
       apiBase: "https://api.anthropic.com/v1/",
     });
 
@@ -238,7 +238,7 @@ describe("Anthropic", () => {
           "x-api-key": "test-api-key",
         },
         body: {
-          model: "claude-3-5-sonnet-latest",
+          model: "claude-sonnet-4-5",
           max_tokens: 8192,
           stream: true,
           messages: [
@@ -260,7 +260,7 @@ describe("Anthropic", () => {
   test("complete should send a valid request", async () => {
     const anthropic = new Anthropic({
       apiKey: "test-api-key",
-      model: "claude-3-5-sonnet-latest",
+      model: "claude-sonnet-4-5",
       apiBase: "https://api.anthropic.com/v1/",
     });
 
@@ -278,7 +278,7 @@ describe("Anthropic", () => {
           "x-api-key": "test-api-key",
         },
         body: {
-          model: "claude-3-5-sonnet-latest",
+          model: "claude-sonnet-4-5",
           max_tokens: 8192,
           stream: true,
           messages: [
@@ -301,7 +301,7 @@ describe("Anthropic", () => {
     test("should handle system message", async () => {
       const anthropic = new Anthropic({
         apiKey: "test-api-key",
-        model: "claude-3-5-sonnet-latest",
+        model: "claude-sonnet-4-5",
         apiBase: "https://api.anthropic.com/v1/",
       });
 
@@ -325,7 +325,7 @@ describe("Anthropic", () => {
             "x-api-key": "test-api-key",
           },
           body: {
-            model: "claude-3-5-sonnet-latest",
+            model: "claude-sonnet-4-5",
             max_tokens: 8192,
             stream: true,
             messages: [
@@ -347,7 +347,7 @@ describe("Anthropic", () => {
     test("should handle tool calls", async () => {
       const anthropic = new Anthropic({
         apiKey: "test-api-key",
-        model: "claude-3-5-sonnet-latest",
+        model: "claude-sonnet-4-5",
         apiBase: "https://api.anthropic.com/v1/",
       });
 
@@ -386,7 +386,7 @@ describe("Anthropic", () => {
             "x-api-key": "test-api-key",
           },
           body: {
-            model: "claude-3-5-sonnet-latest",
+            model: "claude-sonnet-4-5",
             max_tokens: 8192,
             stream: true,
             messages: [
@@ -424,7 +424,7 @@ describe("Anthropic", () => {
     test("should handle custom max tokens", async () => {
       const anthropic = new Anthropic({
         apiKey: "test-api-key",
-        model: "claude-3-5-sonnet-latest",
+        model: "claude-sonnet-4-5",
         apiBase: "https://api.anthropic.com/v1/",
       });
 
@@ -446,7 +446,7 @@ describe("Anthropic", () => {
             "x-api-key": "test-api-key",
           },
           body: {
-            model: "claude-3-5-sonnet-latest",
+            model: "claude-sonnet-4-5",
             max_tokens: 1000,
             stream: true,
             messages: [
@@ -470,7 +470,7 @@ describe("Anthropic", () => {
     test("should throw error when API key is missing", async () => {
       const anthropic = new Anthropic({
         apiKey: "",
-        model: "claude-3-5-sonnet-latest",
+        model: "claude-sonnet-4-5",
         apiBase: "https://api.anthropic.com/v1/",
       });
 

core/llm/llms/OpenRouter.vitest.ts

@@ -6,13 +6,13 @@ import OpenRouter from "./OpenRouter";
 describe("OpenRouter Anthropic Caching", () => {
   it("should detect Anthropic models correctly", () => {
     const openRouter = new OpenRouter({
-      model: "claude-3-5-sonnet-latest",
+      model: "claude-sonnet-4-5",
       apiKey: "test-key",
     });
 
     // Test private method through modifyChatBody
     const body: ChatCompletionCreateParams = {
-      model: "claude-3-5-sonnet-latest",
+      model: "claude-sonnet-4-5",
       messages: [],
     };
 
@@ -22,7 +22,7 @@ describe("OpenRouter Anthropic Caching", () => {
 
   it("should add cache_control to user messages when caching is enabled", () => {
     const openRouter = new OpenRouter({
-      model: "anthropic/claude-3.5-sonnet",
+      model: "anthropic/claude-sonnet-4.5",
       apiKey: "test-key",
       cacheBehavior: {
         cacheConversation: true,
@@ -31,7 +31,7 @@ describe("OpenRouter Anthropic Caching", () => {
     });
 
     const body: ChatCompletionCreateParams = {
-      model: "anthropic/claude-3.5-sonnet",
+      model: "anthropic/claude-sonnet-4.5",
       messages: [
         { role: "user", content: "First message" },
         { role: "assistant", content: "Response" },
@@ -71,7 +71,7 @@ describe("OpenRouter Anthropic Caching", () => {
 
   it("should correctly handle cache_control with system messages present", () => {
     const openRouter = new OpenRouter({
-      model: "claude-3-5-sonnet-latest",
+      model: "claude-sonnet-4-5",
       apiKey: "test-key",
       cacheBehavior: {
         cacheConversation: true,
@@ -80,7 +80,7 @@ describe("OpenRouter Anthropic Caching", () => {
     });
 
     const body: ChatCompletionCreateParams = {
-      model: "claude-3-5-sonnet-latest",
+      model: "claude-sonnet-4-5",
       messages: [
         { role: "system", content: "You are a helpful assistant" },
         { role: "user", content: "First user message" },
@@ -137,7 +137,7 @@ describe("OpenRouter Anthropic Caching", () => {
 
   it("should add cache_control to system message when caching is enabled", () => {
     const openRouter = new OpenRouter({
-      model: "claude-3-5-sonnet-latest",
+      model: "claude-sonnet-4-5",
       apiKey: "test-key",
       cacheBehavior: {
         cacheConversation: false,
@@ -146,7 +146,7 @@ describe("OpenRouter Anthropic Caching", () => {
     });
 
     const body: ChatCompletionCreateParams = {
-      model: "claude-3-5-sonnet-latest",
+      model: "claude-sonnet-4-5",
       messages: [
         { role: "system", content: "You are a helpful assistant" },
         { role: "user", content: "Hello" },
@@ -176,7 +176,7 @@ describe("OpenRouter Anthropic Caching", () => {
 
   it("should handle array content correctly", () => {
     const openRouter = new OpenRouter({
-      model: "claude-3-5-sonnet-latest",
+      model: "claude-sonnet-4-5",
       apiKey: "test-key",
       cacheBehavior: {
         cacheConversation: true,
@@ -185,7 +185,7 @@ describe("OpenRouter Anthropic Caching", () => {
     });
 
     const body: ChatCompletionCreateParams = {
-      model: "claude-3-5-sonnet-latest",
+      model: "claude-sonnet-4-5",
       messages: [
         {
           role: "user",

core/llm/toolSupport.test.ts

@@ -179,17 +179,11 @@ describe("PROVIDER_TOOL_SUPPORT", () => {
     });
 
     it("should return undefined for Claude Haiku and Opus models", () => {
-      expect(supportsFn("anthropic.claude-3-5-haiku-20240307-v1:0")).toBe(
-        false,
-      );
-      expect(supportsFn("anthropic.claude-3.5-haiku-20240620-v1:0")).toBe(
-        false,
-      );
-      expect(supportsFn("anthropic.claude-3-7-haiku-20240620-v1:0")).toBe(
-        false,
-      );
-      expect(supportsFn("anthropic.claude-3-5-opus-20240620-v1:0")).toBe(false);
-      expect(supportsFn("anthropic.claude-3.7-opus-20240620-v1:0")).toBe(false);
+      expect(supportsFn("anthropic.claude-3-5-haiku-20240307-v1:0")).toBe(true);
+      expect(supportsFn("anthropic.claude-3.5-haiku-20240620-v1:0")).toBe(true);
+      expect(supportsFn("anthropic.claude-3-7-haiku-20240620-v1:0")).toBe(true);
+      expect(supportsFn("anthropic.claude-3-5-opus-20240620-v1:0")).toBe(true);
+      expect(supportsFn("anthropic.claude-3.7-opus-20240620-v1:0")).toBe(true);
     });
 
     it("should return undefined for other unsupported models", () => {

core/llm/toolSupport.ts

@@ -14,39 +14,17 @@ export const PROVIDER_TOOL_SUPPORT: Record<string, (model: string) => boolean> =
         }
       } catch (e) {}
 
-      return [
-        "claude-3-5",
-        "claude-3.5",
-        "claude-3-7",
-        "claude-3.7",
-        "claude-sonnet-4",
-        "claude-4-sonnet",
-        "gpt-4",
-        "o3",
-        "gemini",
-        "claude-opus-4",
-        "gemma",
-      ].some((part) => model.toLowerCase().startsWith(part));
+      return ["claude", "gpt-4", "o3", "gemini", "gemma"].some((part) =>
+        model.toLowerCase().startsWith(part),
+      );
     },
     anthropic: (model) => {
-      const lower = model.toLowerCase();
-      if (
-        [
-          "claude-3-5",
-          "claude-3.5",
-          "claude-3-7",
-          "claude-3.7",
-          "claude-sonnet-4",
-          "claude-4-sonnet",
-          "claude-opus-4",
-        ].some((part) => lower.startsWith(part))
-      ) {
-        return true;
+      if (model.includes("claude-2") || model.includes("claude-instant")) {
+        return false;
       }
-      if (lower.includes("claude") && lower.includes("4-5")) {
+      if (["claude"].some((part) => model.toLowerCase().startsWith(part))) {
         return true;
       }
-
       return false;
     },
     azure: (model) => {
@@ -125,15 +103,12 @@ export const PROVIDER_TOOL_SUPPORT: Record<string, (model: string) => boolean> =
       );
     },
     bedrock: (model) => {
+      if (model.includes("claude-2") || model.includes("claude-instant")) {
+        return false;
+      }
       if (
         [
-          "claude-3-5-sonnet",
-          "claude-3.5-sonnet",
-          "claude-3-7-sonnet",
-          "claude-3.7-sonnet",
-          "claude-sonnet-4",
-          "claude-4-sonnet",
-          "claude-opus-4",
+          "claude",
           "nova-lite",
           "nova-pro",
           "nova-micro",
@@ -280,8 +255,7 @@ export const PROVIDER_TOOL_SUPPORT: Record<string, (model: string) => boolean> =
         "openai/o3",
         "openai/o4",
         "openai/gpt-oss",
-        "anthropic/claude-3",
-        "anthropic/claude-4",
+        "anthropic/claude",
         "microsoft/phi-3",
         "google/gemini-flash-1.5",
         "google/gemini-2",
@@ -391,7 +365,8 @@ export function isRecommendedAgentModel(modelName: string): boolean {
   const recs: RegExp[][] = [
     [/o[134]/],
     [/deepseek/, /r1|reasoner/],
-    [/gemini/, /2\.5|3/, /pro/],
+    [/gemini/, /2\.5/, /pro/],
+    [/gemini/, /3-pro/],
     [/gpt/, /-5|5\.1/],
     [/claude/, /sonnet/, /3\.7|3-7|-4/],
     [/claude/, /opus/, /-4/],

docs/customize/model-providers/top-level/anthropic.mdx

@@ -41,7 +41,7 @@ sidebarTitle: "Anthropic"
 </Tabs>
 
 <Info>
-  **Check out a more advanced configuration [here](https://hub.continue.dev/anthropic/claude-4-sonnet?view=config)**
+  **Check out a more advanced configuration [here](https://hub.continue.dev/anthropic/claude-sonnet-4-5?view=config)**
 </Info>
 
 ## How to Enable Prompt Caching with Claude

docs/customize/models.mdx

@@ -30,10 +30,10 @@ Read more about [model roles](/customize/model-roles), [model capabilities](/cus
 
 # Frontier Models
 
-[Claude 4 Sonnet](https://hub.continue.dev/anthropic/claude-4-sonnet) from Anthropic
+[Claude Sonnet 4.5](https://hub.continue.dev/anthropic/claude-sonnet-4-5) from Anthropic
 
 1. Get your API key from [Anthropic](https://console.anthropic.com/)
-2. Add [Claude 4 Sonnet](https://hub.continue.dev/anthropic/claude-4-sonnet) to a config on Continue Mission Control
+2. Add[Claude Sonnet 4.5](https://hub.continue.dev/anthropic/claude-sonnet-4-5) to a config on Continue Mission Control
 3. Add `ANTHROPIC_API_KEY` as a [User Secret](https://docs.continue.dev/mission-control/secrets/secret-types#user-secrets) on Continue Mission Control [here](https://hub.continue.dev/settings/secrets)
 4. Click `Reload config` in the config selector in the Continue IDE extension
 

extensions/intellij/src/main/kotlin/com/github/continuedev/continueintellijextension/constants/ServerConstants.kt

@@ -14,10 +14,10 @@ const val DEFAULT_CONFIG =
 {
   "models": [
     {
-      "model": "claude-3-5-sonnet-latest",
+      "model": "claude-sonnet-4-5",
       "provider": "anthropic",
       "apiKey": "",
-      "title": "Claude 3.5 Sonnet"
+      "title": "Claude Sonnet 4.5"
     }
   ],
   "tabAutocompleteModel": {