diff --git a/model_prices_and_context_window.json b/model_prices_and_context_window.json
index bbe13442d63..f8ea469ad4d 100644
--- a/model_prices_and_context_window.json
+++ b/model_prices_and_context_window.json
@@ -34742,6 +34742,48 @@
         "supports_vision": true,
         "supports_web_search": true
     },
+    "xai/grok-4.3": {
+        "cache_read_input_token_cost": 2e-07,
+        "cache_read_input_token_cost_above_200k_tokens": 4e-07,
+        "input_cost_per_token": 1.25e-06,
+        "input_cost_per_token_above_200k_tokens": 2.5e-06,
+        "litellm_provider": "xai",
+        "max_input_tokens": 1000000,
+        "max_output_tokens": 1000000,
+        "max_tokens": 1000000,
+        "mode": "chat",
+        "output_cost_per_token": 2.5e-06,
+        "output_cost_per_token_above_200k_tokens": 5e-06,
+        "source": "https://docs.x.ai/docs/models/grok-4.3",
+        "supports_function_calling": true,
+        "supports_prompt_caching": true,
+        "supports_reasoning": true,
+        "supports_response_schema": true,
+        "supports_tool_choice": true,
+        "supports_vision": true,
+        "supports_web_search": true
+    },
+    "xai/grok-4.3-latest": {
+        "cache_read_input_token_cost": 2e-07,
+        "cache_read_input_token_cost_above_200k_tokens": 4e-07,
+        "input_cost_per_token": 1.25e-06,
+        "input_cost_per_token_above_200k_tokens": 2.5e-06,
+        "litellm_provider": "xai",
+        "max_input_tokens": 1000000,
+        "max_output_tokens": 1000000,
+        "max_tokens": 1000000,
+        "mode": "chat",
+        "output_cost_per_token": 2.5e-06,
+        "output_cost_per_token_above_200k_tokens": 5e-06,
+        "source": "https://docs.x.ai/docs/models/grok-4.3",
+        "supports_function_calling": true,
+        "supports_prompt_caching": true,
+        "supports_reasoning": true,
+        "supports_response_schema": true,
+        "supports_tool_choice": true,
+        "supports_vision": true,
+        "supports_web_search": true
+    },
     "xai/grok-beta": {
         "input_cost_per_token": 5e-06,
         "litellm_provider": "xai",