diff --git a/model_prices_and_context_window.json b/model_prices_and_context_window.json
index 861fbc54dda..60b6907dd25 100644
--- a/model_prices_and_context_window.json
+++ b/model_prices_and_context_window.json
@@ -37532,6 +37532,36 @@
         "supports_vision": true,
         "supports_web_search": true
     },
+    "xai.grok-4.3": {
+        "input_cost_per_token": 1.25e-06,
+        "output_cost_per_token": 2.5e-06,
+        "cache_read_input_token_cost": 2e-07,
+        "litellm_provider": "bedrock_converse",
+        "max_input_tokens": 131072,
+        "max_output_tokens": 16384,
+        "max_tokens": 16384,
+        "mode": "chat",
+        "supports_function_calling": true,
+        "supports_reasoning": true,
+        "supports_response_schema": true,
+        "supports_vision": true,
+        "source": "https://aws.amazon.com/bedrock/pricing/"
+    },
+    "us.xai.grok-4.3": {
+        "input_cost_per_token": 1.25e-06,
+        "output_cost_per_token": 2.5e-06,
+        "cache_read_input_token_cost": 2e-07,
+        "litellm_provider": "bedrock_converse",
+        "max_input_tokens": 131072,
+        "max_output_tokens": 16384,
+        "max_tokens": 16384,
+        "mode": "chat",
+        "supports_function_calling": true,
+        "supports_reasoning": true,
+        "supports_response_schema": true,
+        "supports_vision": true,
+        "source": "https://aws.amazon.com/bedrock/pricing/"
+    },
     "zai.glm-4.7": {
         "input_cost_per_token": 6e-07,
         "litellm_provider": "bedrock_converse",