diff --git a/litellm/model_prices_and_context_window_backup.json b/litellm/model_prices_and_context_window_backup.json
index 5e06bc5606f..479231deac8 100644
--- a/litellm/model_prices_and_context_window_backup.json
+++ b/litellm/model_prices_and_context_window_backup.json
@@ -7839,6 +7839,27 @@
         "supports_vision": true,
         "supports_native_structured_output": true
     },
+    "bedrock/us-gov-east-1/claude-sonnet-4-5-20250929-v1:0": {
+        "cache_creation_input_token_cost": 4.125e-06,
+        "cache_read_input_token_cost": 3.3e-07,
+        "input_cost_per_token": 3.3e-06,
+        "litellm_provider": "bedrock",
+        "max_input_tokens": 200000,
+        "max_output_tokens": 8192,
+        "max_tokens": 8192,
+        "mode": "chat",
+        "output_cost_per_token": 1.65e-05,
+        "supports_assistant_prefill": true,
+        "supports_computer_use": true,
+        "supports_function_calling": true,
+        "supports_pdf_input": true,
+        "supports_prompt_caching": true,
+        "supports_reasoning": true,
+        "supports_response_schema": true,
+        "supports_tool_choice": true,
+        "supports_vision": true,
+        "supports_native_structured_output": true
+    },
     "bedrock/us-gov-east-1/meta.llama3-70b-instruct-v1:0": {
         "input_cost_per_token": 2.65e-06,
         "litellm_provider": "bedrock",
@@ -7991,6 +8012,27 @@
         "supports_vision": true,
         "supports_native_structured_output": true
     },
+    "bedrock/us-gov-west-1/claude-sonnet-4-5-20250929-v1:0": {
+        "cache_creation_input_token_cost": 4.125e-06,
+        "cache_read_input_token_cost": 3.3e-07,
+        "input_cost_per_token": 3.3e-06,
+        "litellm_provider": "bedrock",
+        "max_input_tokens": 200000,
+        "max_output_tokens": 8192,
+        "max_tokens": 8192,
+        "mode": "chat",
+        "output_cost_per_token": 1.65e-05,
+        "supports_assistant_prefill": true,
+        "supports_computer_use": true,
+        "supports_function_calling": true,
+        "supports_pdf_input": true,
+        "supports_prompt_caching": true,
+        "supports_reasoning": true,
+        "supports_response_schema": true,
+        "supports_tool_choice": true,
+        "supports_vision": true,
+        "supports_native_structured_output": true
+    },
     "bedrock/us-gov-west-1/meta.llama3-70b-instruct-v1:0": {
         "input_cost_per_token": 2.65e-06,
         "litellm_provider": "bedrock",