[APIM] Update api-management-policies.md

Add section for AI-related policies

Author: dlepow

articles/api-management/api-management-policies.md

@@ -151,6 +151,21 @@ More information about policies:
 | [HTTP data source for resolver](http-data-source-policy.md) | Configures the HTTP request and optionally the HTTP response to resolve data for an object type and field in a GraphQL schema. | Yes | Yes | Yes | No | No |
 | [Publish event to GraphQL subscription](publish-event-policy.md) | Publishes an event to one or more subscriptions specified in a GraphQL API schema. Configure the policy in a GraphQL resolver for a related field in the schema for another operation type such as a mutation. | Yes | Yes | Yes | No | No |
 
+## AI gateway 
+
+|Policy  |Description  | Classic | V2  | Consumption |Self-hosted  | Workspace |
+|---------|---------|---------|---------|---------|--------|----------|
+| [Limit Azure OpenAI Service token usage](azure-openai-token-limit-policy.md) | Prevents Azure OpenAI API usage spikes by limiting large language model tokens per calculated key. | Yes | Yes | No | Yes | Yes |
+| [Limit large language model API token usage](llm-token-limit-policy.md) | Prevents large language model (LLM) API usage spikes by limiting LLM tokens per calculated key. | Yes | Yes | No | Yes | Yes |
+|  [Emit Azure OpenAI token metrics](azure-openai-emit-token-metric-policy.md) | Sends metrics to Application Insights for consumption of large language model tokens through Azure OpenAI service APIs. | Yes | Yes | No | Yes | Yes |
+|  [Emit large language model API token metrics](llm-emit-token-metric-policy.md) | Sends metrics to Application Insights for consumption of large language model (LLM) tokens through LLM APIs. | Yes | Yes | No | Yes | Yes |
+|  [Get cached responses of Azure OpenAI API requests](azure-openai-semantic-cache-lookup-policy.md) | Performs lookup in Azure OpenAI API cache using semantic search and returns a valid cached response when available. | Yes | Yes | Yes | Yes | No |
+|  [Get cached responses of large language model API requests](llm-semantic-cache-lookup-policy.md) | Performs lookup in large language model API cache using semantic search and returns a valid cached response when available. | Yes | Yes | Yes | Yes | No |
+|  [Store responses of Azure OpenAI API requests to cache](azure-openai-semantic-cache-store-policy.md) | Caches response according to the Azure OpenAI API cache configuration. | Yes | Yes | Yes | Yes | No |
+|  [Store responses of large language model API requests to cache](llm-semantic-cache-store-policy.md) | Caches response according to the large language model API cache configuration. | Yes | Yes | Yes | Yes | No |
+| [Enforce content safety checks on LLM requests](llm-content-safety-policy.md) | Enforces content safety checks on LLM requests (prompts) by transmitting them to the [Azure AI Content Safety](/azure/ai-services/content-safety/overview) service before sending to the backend LLM. | Yes | Yes | Yes | Yes | Yes |
+
+
 ## Policy control and flow
 
 |Policy  |Description  | Classic | V2  | Consumption |Self-hosted  | Workspace |