diff --git a/backend/app/services/trading_service.py b/backend/app/services/trading_service.py
index a67cd480..f0299134 100644
--- a/backend/app/services/trading_service.py
+++ b/backend/app/services/trading_service.py
@@ -266,10 +266,11 @@ class TradingService:
             "gpt-4.1-mini",
             "gpt-4.1-nano",
             "o4-mini-2025-04-16",
-            # Anthropic
-            "claude-haiku-4-5",
-            "claude-sonnet-4-5",
-            "claude-sonnet-4-0",
+            # Anthropic (Official model IDs)
+            "claude-sonnet-4-5-20250929",
+            "claude-haiku-4-5-20250929",
+            "claude-sonnet-4-20250514",
+            "claude-3-5-sonnet-20241022",
             "claude-3-5-haiku-20241022",
             "claude-3-haiku-20240307",
             # Google
diff --git a/cli/utils.py b/cli/utils.py
index 8365008a..df4af437 100644
--- a/cli/utils.py
+++ b/cli/utils.py
@@ -195,11 +195,12 @@ def select_shallow_thinking_agent(provider=None) -> str:
             ("o4-mini", "o4-mini-2025-04-16"),
         ],
         "Anthropic": [
-            ("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"),
+            ("Claude Sonnet 4.5", "claude-sonnet-4-5-20250929"),
+            ("Claude Haiku 4.5", "claude-haiku-4-5-20250929"),
+            ("Claude Sonnet 4", "claude-sonnet-4-20250514"),
+            ("Claude 3.5 Sonnet", "claude-3-5-sonnet-20241022"),
+            ("Claude 3.5 Haiku", "claude-3-5-haiku-20241022"),
+            ("Claude 3 Haiku", "claude-3-haiku-20240307"),
         ],
         "Google": [
             ("Gemini 2.5 Pro", "gemini-2.5-pro"),
@@ -319,11 +320,12 @@ def select_deep_thinking_agent(provider=None) -> str:
             ("o4-mini", "o4-mini-2025-04-16"),
         ],
         "Anthropic": [
-            ("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"),
+            ("Claude Sonnet 4.5", "claude-sonnet-4-5-20250929"),
+            ("Claude Haiku 4.5", "claude-haiku-4-5-20250929"),
+            ("Claude Sonnet 4", "claude-sonnet-4-20250514"),
+            ("Claude 3.5 Sonnet", "claude-3-5-sonnet-20241022"),
+            ("Claude 3.5 Haiku", "claude-3-5-haiku-20241022"),
+            ("Claude 3 Haiku", "claude-3-haiku-20240307"),
         ],
         "Google": [
             ("Gemini 2.5 Pro", "gemini-2.5-pro"),
diff --git a/frontend/components/analysis/AnalysisForm.tsx b/frontend/components/analysis/AnalysisForm.tsx
index 2b9cb332..6d48238e 100644
--- a/frontend/components/analysis/AnalysisForm.tsx
+++ b/frontend/components/analysis/AnalysisForm.tsx
@@ -385,16 +385,19 @@ export function AnalysisForm({ onSubmit, loading = false }: AnalysisFormProps) {
                             OpenAI: o4-mini
                           </SelectItem>
 
-                          {/* Anthropic */}
-                          <SelectItem value="claude-haiku-4-5">
-                            Anthropic: Claude Haiku 4.5
-                          </SelectItem>
-                          <SelectItem value="claude-sonnet-4-5">
+                          {/* Anthropic (Official model IDs) */}
+                          <SelectItem value="claude-sonnet-4-5-20250929">
                             Anthropic: Claude Sonnet 4.5
                           </SelectItem>
-                          <SelectItem value="claude-sonnet-4-0">
+                          <SelectItem value="claude-haiku-4-5-20250929">
+                            Anthropic: Claude Haiku 4.5
+                          </SelectItem>
+                          <SelectItem value="claude-sonnet-4-20250514">
                             Anthropic: Claude Sonnet 4
                           </SelectItem>
+                          <SelectItem value="claude-3-5-sonnet-20241022">
+                            Anthropic: Claude 3.5 Sonnet
+                          </SelectItem>
                           <SelectItem value="claude-3-5-haiku-20241022">
                             Anthropic: Claude 3.5 Haiku
                           </SelectItem>
@@ -524,16 +527,19 @@ export function AnalysisForm({ onSubmit, loading = false }: AnalysisFormProps) {
                             OpenAI: o4-mini
                           </SelectItem>
 
-                          {/* Anthropic */}
-                          <SelectItem value="claude-haiku-4-5">
-                            Anthropic: Claude Haiku 4.5
-                          </SelectItem>
-                          <SelectItem value="claude-sonnet-4-5">
+                          {/* Anthropic (Official model IDs) */}
+                          <SelectItem value="claude-sonnet-4-5-20250929">
                             Anthropic: Claude Sonnet 4.5
                           </SelectItem>
-                          <SelectItem value="claude-sonnet-4-0">
+                          <SelectItem value="claude-haiku-4-5-20250929">
+                            Anthropic: Claude Haiku 4.5
+                          </SelectItem>
+                          <SelectItem value="claude-sonnet-4-20250514">
                             Anthropic: Claude Sonnet 4
                           </SelectItem>
+                          <SelectItem value="claude-3-5-sonnet-20241022">
+                            Anthropic: Claude 3.5 Sonnet
+                          </SelectItem>
                           <SelectItem value="claude-3-5-haiku-20241022">
                             Anthropic: Claude 3.5 Haiku
                           </SelectItem>