diff --git a/backend/app/services/trading_service.py b/backend/app/services/trading_service.py
index 120a1888..7f518e30 100644
--- a/backend/app/services/trading_service.py
+++ b/backend/app/services/trading_service.py
@@ -267,11 +267,11 @@ class TradingService:
             "gpt-4.1-nano",
             "o4-mini",
             # Anthropic (Official model IDs)
-            "claude-sonnet-4-5",
-            "claude-haiku-4-5",
-            "claude-sonnet-4-0",
-            "claude-3-7-sonnet-latest",
-            "claude-3-5-haiku-latest",
+            "claude-sonnet-4-5-20250929",
+            "claude-haiku-4-5-20251001",
+            "claude-sonnet-4-20250514",
+            "claude-3-7-sonnet-20250219",
+            "claude-3-5-haiku-20241022",
             "claude-3-haiku-20240307",
             # Google
             "gemini-2.5-pro",
diff --git a/cli/utils.py b/cli/utils.py
index 2b9448c4..8c5b61ec 100644
--- a/cli/utils.py
+++ b/cli/utils.py
@@ -195,11 +195,11 @@ def select_shallow_thinking_agent(provider=None) -> str:
             ("o4-mini", "o4-mini"),
         ],
         "Anthropic": [
-            ("Claude Sonnet 4.5", "claude-sonnet-4-5"),
-            ("Claude Haiku 4.5", "claude-haiku-4-5"),
-            ("Claude Sonnet 4", "claude-sonnet-4-0"),
-            ("Claude 3.5 Sonnet", "claude-3-7-sonnet-latest"),
-            ("Claude 3.5 Haiku", "claude-3-5-haiku-latest"),
+            ("Claude Sonnet 4.5", "claude-sonnet-4-5-20250929"),
+            ("Claude Haiku 4.5", "claude-haiku-4-5-20251001"),
+            ("Claude Sonnet 4", "claude-sonnet-4-20250514"),
+            ("Claude 3.7 Sonnet", "claude-3-7-sonnet-20250219"),
+            ("Claude 3.5 Haiku", "claude-3-5-haiku-20241022"),
             ("Claude 3 Haiku", "claude-3-haiku-20240307"),
         ],
         "Google": [
@@ -320,11 +320,11 @@ def select_deep_thinking_agent(provider=None) -> str:
             ("o4-mini", "o4-mini"),
         ],
         "Anthropic": [
-            ("Claude Sonnet 4.5", "claude-sonnet-4-5"),
-            ("Claude Haiku 4.5", "claude-haiku-4-5"),
-            ("Claude Sonnet 4", "claude-sonnet-4-0"),
-            ("Claude 3.5 Sonnet", "claude-3-7-sonnet-latest"),
-            ("Claude 3.5 Haiku", "claude-3-5-haiku-latest"),
+            ("Claude Sonnet 4.5", "claude-sonnet-4-5-20250929"),
+            ("Claude Haiku 4.5", "claude-haiku-4-5-20251001"),
+            ("Claude Sonnet 4", "claude-sonnet-4-20250514"),
+            ("Claude 3.7 Sonnet", "claude-3-7-sonnet-20250219"),
+            ("Claude 3.5 Haiku", "claude-3-5-haiku-20241022"),
             ("Claude 3 Haiku", "claude-3-haiku-20240307"),
         ],
         "Google": [
diff --git a/frontend/components/analysis/AnalysisForm.tsx b/frontend/components/analysis/AnalysisForm.tsx
index eb80d673..00f2814d 100644
--- a/frontend/components/analysis/AnalysisForm.tsx
+++ b/frontend/components/analysis/AnalysisForm.tsx
@@ -386,19 +386,19 @@ export function AnalysisForm({ onSubmit, loading = false }: AnalysisFormProps) {
                           </SelectItem>
 
                           {/* Anthropic (Official model IDs) */}
-                          <SelectItem value="claude-sonnet-4-5">
+                          <SelectItem value="claude-sonnet-4-5-20250929">
                             Anthropic: Claude Sonnet 4.5
                           </SelectItem>
-                          <SelectItem value="claude-haiku-4-5">
+                          <SelectItem value="claude-haiku-4-5-20251001">
                             Anthropic: Claude Haiku 4.5
                           </SelectItem>
-                          <SelectItem value="claude-sonnet-4-0">
+                          <SelectItem value="claude-sonnet-4-20250514">
                             Anthropic: Claude Sonnet 4
                           </SelectItem>
-                          <SelectItem value="claude-3-7-sonnet-latest">
-                            Anthropic: Claude 3.5 Sonnet
+                          <SelectItem value="claude-3-7-sonnet-20250219">
+                            Anthropic: Claude 3.7 Sonnet
                           </SelectItem>
-                          <SelectItem value="claude-3-5-haiku-latest">
+                          <SelectItem value="claude-3-5-haiku-20241022">
                             Anthropic: Claude 3.5 Haiku
                           </SelectItem>
                           <SelectItem value="claude-3-haiku-20240307">
@@ -528,19 +528,19 @@ export function AnalysisForm({ onSubmit, loading = false }: AnalysisFormProps) {
                           </SelectItem>
 
                           {/* Anthropic (Official model IDs) */}
-                          <SelectItem value="claude-sonnet-4-5">
+                          <SelectItem value="claude-sonnet-4-5-20250929">
                             Anthropic: Claude Sonnet 4.5
                           </SelectItem>
-                          <SelectItem value="claude-haiku-4-5">
+                          <SelectItem value="claude-haiku-4-5-20251001">
                             Anthropic: Claude Haiku 4.5
                           </SelectItem>
-                          <SelectItem value="claude-sonnet-4-0">
+                          <SelectItem value="claude-sonnet-4-20250514">
                             Anthropic: Claude Sonnet 4
                           </SelectItem>
-                          <SelectItem value="claude-3-7-sonnet-latest">
-                            Anthropic: Claude 3.5 Sonnet
+                          <SelectItem value="claude-3-7-sonnet-20250219">
+                            Anthropic: Claude 3.7 Sonnet
                           </SelectItem>
-                          <SelectItem value="claude-3-5-haiku-latest">
+                          <SelectItem value="claude-3-5-haiku-20241022">
                             Anthropic: Claude 3.5 Haiku
                           </SelectItem>
                           <SelectItem value="claude-3-haiku-20240307">