diff --git a/README.md b/README.md
index d24f281f..44a1f642 100644
--- a/README.md
+++ b/README.md
@@ -482,7 +482,7 @@ docker compose down -v
    快速思維 Base URL: https://api.openai.com/v1
    快速思維 API Key: sk-your-openai-key
 
-   深層思維模型: claude-sonnet-4-5-20250929
+   深層思維模型: claude-sonnet-4-5
    深層思維 Base URL: https://api.anthropic.com/v1
    深層思維 API Key: sk-ant-your-claude-key
 
@@ -567,7 +567,7 @@ curl -X POST http://localhost:8000/api/analyze \
     "ticker": "NVDA",
     "analysis_date": "2024-01-15",
     "research_depth": 2,
-    "deep_think_llm": "claude-sonnet-4-5-20250929",
+    "deep_think_llm": "claude-sonnet-4-5",
     "quick_think_llm": "gpt-5-mini-2025-08-07",
     "analysts": ["market", "sentiment", "news", "fundamental"],
     "quick_think_base_url": "https://api.openai.com/v1",
diff --git a/backend/app/services/trading_service.py b/backend/app/services/trading_service.py
index 947729cd..ddac9806 100644
--- a/backend/app/services/trading_service.py
+++ b/backend/app/services/trading_service.py
@@ -204,8 +204,8 @@ class TradingService:
             "gpt-4.1-nano",
             "o4-mini-2025-04-16",
             # Anthropic
-            "claude-haiku-4-5-20251001",
-            "claude-sonnet-4-5-20250929",
+            "claude-haiku-4-5",
+            "claude-sonnet-4-5",
             "claude-sonnet-4-0",
             "claude-3-5-haiku-20241022",
             "claude-3-haiku-20240307",
diff --git a/cli/utils.py b/cli/utils.py
index cb70e469..32f12049 100644
--- a/cli/utils.py
+++ b/cli/utils.py
@@ -195,8 +195,8 @@ def select_shallow_thinking_agent(provider=None) -> str:
             ("o4-mini", "o4-mini-2025-04-16"),
         ],
         "Anthropic": [
-            ("Claude Haiku 4.5", "claude-haiku-4-5-20251001"),
-            ("Claude Sonnet 4.5", "claude-sonnet-4-5-20250929"),
+            ("Claude Haiku 4.5", "claude-haiku-4-5"),
+            ("Claude Sonnet 4.5", "claude-sonnet-4-5"),
             ("Claude Sonnet 4", "claude-sonnet-4-0"),
             ("Claude Haiku 3.5", "claude-3-5-haiku-20241022"),
             ("Claude Haiku 3", "claude-3-haiku-20240307"),
@@ -319,8 +319,8 @@ def select_deep_thinking_agent(provider=None) -> str:
             ("o4-mini", "o4-mini-2025-04-16"),
         ],
         "Anthropic": [
-            ("Claude Haiku 4.5", "claude-haiku-4-5-20251001"),
-            ("Claude Sonnet 4.5", "claude-sonnet-4-5-20250929"),
+            ("Claude Haiku 4.5", "claude-haiku-4-5"),
+            ("Claude Sonnet 4.5", "claude-sonnet-4-5"),
             ("Claude Sonnet 4", "claude-sonnet-4-0"),
             ("Claude Haiku 3.5", "claude-3-5-haiku-20241022"),
             ("Claude Haiku 3", "claude-3-haiku-20240307"),
diff --git a/frontend/components/analysis/AnalysisForm.tsx b/frontend/components/analysis/AnalysisForm.tsx
index d65b3071..17fbf531 100644
--- a/frontend/components/analysis/AnalysisForm.tsx
+++ b/frontend/components/analysis/AnalysisForm.tsx
@@ -308,10 +308,10 @@ export function AnalysisForm({ onSubmit, loading = false }: AnalysisFormProps) {
                           </SelectItem>
 
                           {/* Anthropic */}
-                          <SelectItem value="claude-haiku-4-5-20251001">
+                          <SelectItem value="claude-haiku-4-5">
                             Anthropic: Claude Haiku 4.5
                           </SelectItem>
-                          <SelectItem value="claude-sonnet-4-5-20250929">
+                          <SelectItem value="claude-sonnet-4-5">
                             Anthropic: Claude Sonnet 4.5
                           </SelectItem>
                           <SelectItem value="claude-sonnet-4-0">
@@ -419,10 +419,10 @@ export function AnalysisForm({ onSubmit, loading = false }: AnalysisFormProps) {
                           </SelectItem>
 
                           {/* Anthropic */}
-                          <SelectItem value="claude-haiku-4-5-20251001">
+                          <SelectItem value="claude-haiku-4-5">
                             Anthropic: Claude Haiku 4.5
                           </SelectItem>
-                          <SelectItem value="claude-sonnet-4-5-20250929">
+                          <SelectItem value="claude-sonnet-4-5">
                             Anthropic: Claude Sonnet 4.5
                           </SelectItem>
                           <SelectItem value="claude-sonnet-4-0">