diff --git a/litellm/model_prices_and_context_window_backup.json b/litellm/model_prices_and_context_window_backup.json
index 3768be31a2..b1dbe72a5b 100644
--- a/litellm/model_prices_and_context_window_backup.json
+++ b/litellm/model_prices_and_context_window_backup.json
@@ -11236,6 +11236,21 @@
         "supports_tool_choice": true,
         "supports_prompt_caching": true
     },
+    "openrouter/deepseek/deepseek-chat-v3.1": {
+        "max_tokens": 8192,
+        "max_input_tokens": 163840,
+        "max_output_tokens": 163840,
+        "input_cost_per_token": 2e-07,
+        "input_cost_per_token_cache_hit": 2e-08,
+        "output_cost_per_token": 8e-07,
+        "litellm_provider": "openrouter",
+        "mode": "chat",
+        "supports_function_calling": true,
+        "supports_assistant_prefill": true,
+        "supports_reasoning": true,
+        "supports_tool_choice": true,
+        "supports_prompt_caching": true
+  },
     "openrouter/x-ai/grok-4": {
         "max_tokens": 256000,
         "max_input_tokens": 256000,
diff --git a/model_prices_and_context_window.json b/model_prices_and_context_window.json
index 3768be31a2..34becc959d 100644
--- a/model_prices_and_context_window.json
+++ b/model_prices_and_context_window.json
@@ -11236,6 +11236,21 @@
         "supports_tool_choice": true,
         "supports_prompt_caching": true
     },
+    "openrouter/deepseek/deepseek-chat-v3.1": {
+          "max_tokens": 8192,
+          "max_input_tokens": 163840,
+          "max_output_tokens": 163840,
+          "input_cost_per_token": 2e-07,
+          "input_cost_per_token_cache_hit": 2e-08,
+          "output_cost_per_token": 8e-07,
+          "litellm_provider": "openrouter",
+          "mode": "chat",
+          "supports_function_calling": true,
+          "supports_assistant_prefill": true,
+          "supports_reasoning": true,
+          "supports_tool_choice": true,
+          "supports_prompt_caching": true
+    },
     "openrouter/x-ai/grok-4": {
         "max_tokens": 256000,
         "max_input_tokens": 256000,