Fix "azure_ai/grok-4-fast-reasoning" entry in "model_prices_and_context_window.json" (#15204)

* fix: azure_ai/grok-4-fast-non-reasoning

* fix pricing

Author: ishaan-jaff

docs/my-website/release_notes/v1.77.7-stable/index.md

@@ -75,8 +75,8 @@ pip install litellm==1.77.7.rc.1
 | Anthropic | `claude-sonnet-4-5-20250929` | 200K | $3.00 | $15.00 | Chat, reasoning, vision, function calling, prompt caching |
 | Bedrock | `eu.anthropic.claude-sonnet-4-5-20250929-v1:0` | 200K | $3.00 | $15.00 | Chat, reasoning, vision, function calling, prompt caching |
 | Azure AI | `azure_ai/grok-4` | 131K | $5.50 | $27.50 | Chat, reasoning, function calling, web search |
-| Azure AI | `azure_ai/grok-4-fast-reasoning` | 131K | $5.80 | $2,900.00 | Chat, reasoning, function calling, web search |
-| Azure AI | `azure_ai/grok-4-fast-non-reasoning` | 131K | $5.00 | $2,500.00 | Chat, function calling, web search |
+| Azure AI | `azure_ai/grok-4-fast-reasoning` | 131K | $0.43 | $1.73 | Chat, reasoning, function calling, web search |
+| Azure AI | `azure_ai/grok-4-fast-non-reasoning` | 131K | $0.43 | $1.73 | Chat, function calling, web search |
 | Azure AI | `azure_ai/grok-code-fast-1` | 131K | $3.50 | $17.50 | Chat, function calling, web search |
 | Groq | `groq/moonshotai/kimi-k2-instruct-0905` | Context varies | Pricing varies | Pricing varies | Chat, function calling |
 | Ollama | Ollama Cloud models | Varies | Free | Free | Self-hosted models via Ollama Cloud |

litellm/model_prices_and_context_window_backup.json

@@ -3324,28 +3324,27 @@
         "supports_web_search": true
     },
     "azure_ai/grok-4-fast-non-reasoning": {
-        "input_cost_per_token": 5e-06,
+        "input_cost_per_token": 0.43e-06,
+        "output_cost_per_token": 1.73e-06,
         "litellm_provider": "azure_ai",
         "max_input_tokens": 131072,
         "max_output_tokens": 131072,
         "max_tokens": 131072,
         "mode": "chat",
-        "output_cost_per_token": 2.5e-03,
-        "source": "https://azure.microsoft.com/en-us/blog/grok-4-is-now-available-in-azure-ai-foundry-unlock-frontier-intelligence-and-business-ready-capabilities/",
         "supports_function_calling": true,
         "supports_response_schema": true,
         "supports_tool_choice": true,
         "supports_web_search": true
     },
     "azure_ai/grok-4-fast-reasoning": {
-        "input_cost_per_token": 5.8e-06,
+        "input_cost_per_token": 0.43e-06,
+        "output_cost_per_token": 1.73e-06,
         "litellm_provider": "azure_ai",
         "max_input_tokens": 131072,
         "max_output_tokens": 131072,
         "max_tokens": 131072,
         "mode": "chat",
-        "output_cost_per_token": 2.9e-03,
-        "source": "https://azure.microsoft.com/en-us/blog/grok-4-is-now-available-in-azure-ai-foundry-unlock-frontier-intelligence-and-business-ready-capabilities/",
+        "source": "https://techcommunity.microsoft.com/blog/azure-ai-foundry-blog/announcing-the-grok-4-fast-models-from-xai-now-available-in-azure-ai-foundry/4456701",
         "supports_function_calling": true,
         "supports_reasoning": true,
         "supports_response_schema": true,

model_prices_and_context_window.json

@@ -3324,28 +3324,27 @@
         "supports_web_search": true
     },
     "azure_ai/grok-4-fast-non-reasoning": {
-        "input_cost_per_token": 5e-06,
+        "input_cost_per_token": 0.43e-06,
+        "output_cost_per_token": 1.73e-06,
         "litellm_provider": "azure_ai",
         "max_input_tokens": 131072,
         "max_output_tokens": 131072,
         "max_tokens": 131072,
         "mode": "chat",
-        "output_cost_per_token": 2.5e-03,
-        "source": "https://azure.microsoft.com/en-us/blog/grok-4-is-now-available-in-azure-ai-foundry-unlock-frontier-intelligence-and-business-ready-capabilities/",
         "supports_function_calling": true,
         "supports_response_schema": true,
         "supports_tool_choice": true,
         "supports_web_search": true
     },
     "azure_ai/grok-4-fast-reasoning": {
-        "input_cost_per_token": 5.8e-06,
+        "input_cost_per_token": 0.43e-06,
+        "output_cost_per_token": 1.73e-06,
         "litellm_provider": "azure_ai",
         "max_input_tokens": 131072,
         "max_output_tokens": 131072,
         "max_tokens": 131072,
         "mode": "chat",
-        "output_cost_per_token": 2.9e-03,
-        "source": "https://azure.microsoft.com/en-us/blog/grok-4-is-now-available-in-azure-ai-foundry-unlock-frontier-intelligence-and-business-ready-capabilities/",
+        "source": "https://techcommunity.microsoft.com/blog/azure-ai-foundry-blog/announcing-the-grok-4-fast-models-from-xai-now-available-in-azure-ai-foundry/4456701",
         "supports_function_calling": true,
         "supports_reasoning": true,
         "supports_response_schema": true,