diff --git a/packages/adapters/claude-local/src/index.ts b/packages/adapters/claude-local/src/index.ts
index ecfaa2fe..d07daf70 100644
--- a/packages/adapters/claude-local/src/index.ts
+++ b/packages/adapters/claude-local/src/index.ts
@@ -7,6 +7,8 @@ export const SANDBOX_INSTALL_COMMAND = "npm install -g @anthropic-ai/claude-code
 
 export const models = [
   { id: "claude-opus-4-8", label: "Claude Opus 4.8" },
+  { id: "claude-fable-5", label: "Claude Fable 5" },
+  { id: "claude-mythos-5", label: "Claude Mythos 5" },
   { id: "claude-opus-4-7", label: "Claude Opus 4.7" },
   { id: "claude-opus-4-6", label: "Claude Opus 4.6" },
   { id: "claude-sonnet-4-6", label: "Claude Sonnet 4.6" },
diff --git a/packages/adapters/claude-local/src/server/models.ts b/packages/adapters/claude-local/src/server/models.ts
index cbb8553d..103db809 100644
--- a/packages/adapters/claude-local/src/server/models.ts
+++ b/packages/adapters/claude-local/src/server/models.ts
@@ -10,6 +10,7 @@ const ANTHROPIC_API_VERSION = "2023-06-01";
 /** AWS Bedrock model IDs — region-qualified identifiers required by the Bedrock API. */
 const BEDROCK_MODELS: AdapterModel[] = [
   { id: "us.anthropic.claude-opus-4-8-v1", label: "Bedrock Opus 4.8" },
+  { id: "us.anthropic.claude-fable-5-v1", label: "Bedrock Fable 5" },
   { id: "us.anthropic.claude-opus-4-6-v1", label: "Bedrock Opus 4.6" },
   { id: "us.anthropic.claude-sonnet-4-5-20250929-v2:0", label: "Bedrock Sonnet 4.5" },
   { id: "us.anthropic.claude-haiku-4-5-20251001-v1:0", label: "Bedrock Haiku 4.5" },
diff --git a/server/src/__tests__/adapter-models.test.ts b/server/src/__tests__/adapter-models.test.ts
index ed6232a5..a35efb9d 100644
--- a/server/src/__tests__/adapter-models.test.ts
+++ b/server/src/__tests__/adapter-models.test.ts
@@ -58,6 +58,10 @@ describe("adapter model listing", () => {
 
     expect(models).toEqual(claudeFallbackModels);
     expect(models.some((model) => model.id === "claude-opus-4-8")).toBe(true);
+    // Newer flagship models are offered, but Opus 4.8 stays the default (first) option.
+    expect(models[0]?.id).toBe("claude-opus-4-8");
+    expect(models.some((model) => model.id === "claude-fable-5")).toBe(true);
+    expect(models.some((model) => model.id === "claude-mythos-5")).toBe(true);
     expect(fetchSpy).not.toHaveBeenCalled();
   });