add deepseek-reasoner (#7935)

Author: ishaan-jaff

litellm/model_prices_and_context_window_backup.json

@@ -1960,6 +1960,20 @@
         "litellm_provider": "mistral",
         "mode": "embedding"
     },
+    "deepseek/deepseek-reasoner": {
+        "max_tokens": 8192,
+        "max_input_tokens": 64000,
+        "max_output_tokens": 8192,
+        "input_cost_per_token": 0.00000055,
+        "input_cost_per_token_cache_hit": 0.00000014,
+        "output_cost_per_token": 0.00000219,
+        "litellm_provider": "deepseek",
+        "mode": "chat",
+        "supports_function_calling": true, 
+        "supports_assistant_prefill": true,
+        "supports_tool_choice": true,
+        "supports_prompt_caching": true
+    },
     "deepseek/deepseek-chat": {
         "max_tokens": 4096,
         "max_input_tokens": 128000,

model_prices_and_context_window.json

@@ -1960,6 +1960,20 @@
         "litellm_provider": "mistral",
         "mode": "embedding"
     },
+    "deepseek/deepseek-reasoner": {
+        "max_tokens": 8192,
+        "max_input_tokens": 64000,
+        "max_output_tokens": 8192,
+        "input_cost_per_token": 0.00000055,
+        "input_cost_per_token_cache_hit": 0.00000014,
+        "output_cost_per_token": 0.00000219,
+        "litellm_provider": "deepseek",
+        "mode": "chat",
+        "supports_function_calling": true, 
+        "supports_assistant_prefill": true,
+        "supports_tool_choice": true,
+        "supports_prompt_caching": true
+    },
     "deepseek/deepseek-chat": {
         "max_tokens": 4096,
         "max_input_tokens": 128000,