diff --git a/output/openapi/elasticsearch-openapi.json b/output/openapi/elasticsearch-openapi.json
index 571906b704..45dc107975 100644
--- a/output/openapi/elasticsearch-openapi.json
+++ b/output/openapi/elasticsearch-openapi.json
@@ -18849,13 +18849,13 @@
           "inference"
         ],
         "summary": "Create a Mistral inference endpoint",
-        "description": "Creates an inference endpoint to perform an inference task with the `mistral` service.",
+        "description": "Create an inference endpoint to perform an inference task with the `mistral` service.",
         "operationId": "inference-put-mistral",
         "parameters": [
           {
             "in": "path",
             "name": "task_type",
-            "description": "The task type.\nThe only valid task type for the model to perform is `text_embedding`.",
+            "description": "The type of the inference task that the model will perform.",
             "required": true,
             "deprecated": false,
             "schema": {
@@ -79985,7 +79985,9 @@
       "inference._types.MistralTaskType": {
         "type": "string",
         "enum": [
-          "text_embedding"
+          "text_embedding",
+          "completion",
+          "chat_completion"
         ]
       },
       "inference._types.MistralServiceType": {
@@ -80012,7 +80014,7 @@
             "externalDocs": {
               "url": "https://docs.mistral.ai/getting-started/models/"
             },
-            "description": "The name of the model to use for the inference task.\nRefer to the Mistral models documentation for the list of available text embedding models.",
+            "description": "The name of the model to use for the inference task.\nRefer to the Mistral models documentation for the list of available models.",
             "type": "string"
           },
           "rate_limit": {
diff --git a/output/openapi/elasticsearch-serverless-openapi.json b/output/openapi/elasticsearch-serverless-openapi.json
index 8ba91b2d6b..86e25b9d2c 100644
--- a/output/openapi/elasticsearch-serverless-openapi.json
+++ b/output/openapi/elasticsearch-serverless-openapi.json
@@ -10908,13 +10908,13 @@
           "inference"
         ],
         "summary": "Create a Mistral inference endpoint",
-        "description": "Creates an inference endpoint to perform an inference task with the `mistral` service.",
+        "description": "Create an inference endpoint to perform an inference task with the `mistral` service.",
         "operationId": "inference-put-mistral",
         "parameters": [
           {
             "in": "path",
             "name": "task_type",
-            "description": "The task type.\nThe only valid task type for the model to perform is `text_embedding`.",
+            "description": "The type of the inference task that the model will perform.",
             "required": true,
             "deprecated": false,
             "schema": {
@@ -51247,7 +51247,9 @@
       "inference._types.MistralTaskType": {
         "type": "string",
         "enum": [
-          "text_embedding"
+          "text_embedding",
+          "completion",
+          "chat_completion"
         ]
       },
       "inference._types.MistralServiceType": {
@@ -51274,7 +51276,7 @@
             "externalDocs": {
               "url": "https://docs.mistral.ai/getting-started/models/"
             },
-            "description": "The name of the model to use for the inference task.\nRefer to the Mistral models documentation for the list of available text embedding models.",
+            "description": "The name of the model to use for the inference task.\nRefer to the Mistral models documentation for the list of available models.",
             "type": "string"
           },
           "rate_limit": {
diff --git a/output/schema/schema-serverless.json b/output/schema/schema-serverless.json
index ed482070ee..2c17edabfa 100644
--- a/output/schema/schema-serverless.json
+++ b/output/schema/schema-serverless.json
@@ -5324,7 +5324,7 @@
           "visibility": "public"
         }
       },
-      "description": "Create a Mistral inference endpoint.\n\nCreates an inference endpoint to perform an inference task with the `mistral` service.",
+      "description": "Create a Mistral inference endpoint.\n\nCreate an inference endpoint to perform an inference task with the `mistral` service.",
       "docId": "inference-api-put-mistral",
       "docUrl": "https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/infer-service-mistral.html",
       "name": "inference.put_mistral",
@@ -29771,7 +29771,7 @@
           }
         ]
       },
-      "description": "Create a Mistral inference endpoint.\n\nCreates an inference endpoint to perform an inference task with the `mistral` service.",
+      "description": "Create a Mistral inference endpoint.\n\nCreate an inference endpoint to perform an inference task with the `mistral` service.",
       "examples": {
         "PutMistralRequestExample1": {
           "description": "Run `PUT _inference/text_embedding/mistral-embeddings-test` to create a Mistral inference endpoint that performs a text embedding task.",
@@ -29791,7 +29791,7 @@
       },
       "path": [
         {
-          "description": "The task type.\nThe only valid task type for the model to perform is `text_embedding`.",
+          "description": "The type of the inference task that the model will perform.",
           "name": "task_type",
           "required": true,
           "type": {
@@ -29816,7 +29816,7 @@
         }
       ],
       "query": [],
-      "specLocation": "inference/put_mistral/PutMistralRequest.ts#L29-L72"
+      "specLocation": "inference/put_mistral/PutMistralRequest.ts#L29-L71"
     },
     {
       "body": {
@@ -105047,20 +105047,26 @@
         "name": "MistralServiceType",
         "namespace": "inference._types"
       },
-      "specLocation": "inference/_types/CommonTypes.ts#L1017-L1019"
+      "specLocation": "inference/_types/CommonTypes.ts#L1019-L1021"
     },
     {
       "kind": "enum",
       "members": [
         {
           "name": "text_embedding"
+        },
+        {
+          "name": "completion"
+        },
+        {
+          "name": "chat_completion"
         }
       ],
       "name": {
         "name": "MistralTaskType",
         "namespace": "inference._types"
       },
-      "specLocation": "inference/_types/CommonTypes.ts#L1013-L1015"
+      "specLocation": "inference/_types/CommonTypes.ts#L1013-L1017"
     },
     {
       "kind": "enum",
@@ -105073,7 +105079,7 @@
         "name": "OpenAIServiceType",
         "namespace": "inference._types"
       },
-      "specLocation": "inference/_types/CommonTypes.ts#L1079-L1081"
+      "specLocation": "inference/_types/CommonTypes.ts#L1081-L1083"
     },
     {
       "kind": "enum",
@@ -105092,7 +105098,7 @@
         "name": "OpenAITaskType",
         "namespace": "inference._types"
       },
-      "specLocation": "inference/_types/CommonTypes.ts#L1073-L1077"
+      "specLocation": "inference/_types/CommonTypes.ts#L1075-L1079"
     },
     {
       "kind": "type_alias",
@@ -105217,7 +105223,7 @@
         "name": "VoyageAIServiceType",
         "namespace": "inference._types"
       },
-      "specLocation": "inference/_types/CommonTypes.ts#L1147-L1149"
+      "specLocation": "inference/_types/CommonTypes.ts#L1149-L1151"
     },
     {
       "kind": "enum",
@@ -105233,7 +105239,7 @@
         "name": "VoyageAITaskType",
         "namespace": "inference._types"
       },
-      "specLocation": "inference/_types/CommonTypes.ts#L1142-L1145"
+      "specLocation": "inference/_types/CommonTypes.ts#L1144-L1147"
     },
     {
       "kind": "enum",
@@ -105246,7 +105252,7 @@
         "name": "WatsonxServiceType",
         "namespace": "inference._types"
       },
-      "specLocation": "inference/_types/CommonTypes.ts#L1194-L1196"
+      "specLocation": "inference/_types/CommonTypes.ts#L1196-L1198"
     },
     {
       "kind": "enum",
@@ -105259,7 +105265,7 @@
         "name": "WatsonxTaskType",
         "namespace": "inference._types"
       },
-      "specLocation": "inference/_types/CommonTypes.ts#L1190-L1192"
+      "specLocation": "inference/_types/CommonTypes.ts#L1192-L1194"
     },
     {
       "kind": "enum",
@@ -127307,7 +127313,7 @@
           }
         },
         {
-          "description": "The name of the model to use for the inference task.\nRefer to the Mistral models documentation for the list of available text embedding models.",
+          "description": "The name of the model to use for the inference task.\nRefer to the Mistral models documentation for the list of available models.",
           "extDocId": "mistral-api-models",
           "extDocUrl": "https://docs.mistral.ai/getting-started/models/",
           "name": "model",
@@ -127420,7 +127426,7 @@
           }
         }
       ],
-      "specLocation": "inference/_types/CommonTypes.ts#L1021-L1063"
+      "specLocation": "inference/_types/CommonTypes.ts#L1023-L1065"
     },
     {
       "kind": "interface",
@@ -127442,7 +127448,7 @@
           }
         }
       ],
-      "specLocation": "inference/_types/CommonTypes.ts#L1065-L1071"
+      "specLocation": "inference/_types/CommonTypes.ts#L1067-L1073"
     },
     {
       "kind": "interface",
@@ -127506,7 +127512,7 @@
           }
         }
       ],
-      "specLocation": "inference/_types/CommonTypes.ts#L1083-L1114"
+      "specLocation": "inference/_types/CommonTypes.ts#L1085-L1116"
     },
     {
       "kind": "interface",
@@ -127566,7 +127572,7 @@
           }
         }
       ],
-      "specLocation": "inference/_types/CommonTypes.ts#L1116-L1140"
+      "specLocation": "inference/_types/CommonTypes.ts#L1118-L1142"
     },
     {
       "kind": "interface",
@@ -127654,7 +127660,7 @@
           }
         }
       ],
-      "specLocation": "inference/_types/CommonTypes.ts#L1151-L1188"
+      "specLocation": "inference/_types/CommonTypes.ts#L1153-L1190"
     },
     {
       "description": "Defines the response for a rerank request.",
diff --git a/output/schema/schema.json b/output/schema/schema.json
index 217e339c3f..b561710408 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -10004,7 +10004,7 @@
           "visibility": "public"
         }
       },
-      "description": "Create a Mistral inference endpoint.\n\nCreates an inference endpoint to perform an inference task with the `mistral` service.",
+      "description": "Create a Mistral inference endpoint.\n\nCreate an inference endpoint to perform an inference task with the `mistral` service.",
       "docId": "inference-api-put-mistral",
       "docUrl": "https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/infer-service-mistral.html",
       "name": "inference.put_mistral",
@@ -154821,7 +154821,7 @@
           }
         },
         {
-          "description": "The name of the model to use for the inference task.\nRefer to the Mistral models documentation for the list of available text embedding models.",
+          "description": "The name of the model to use for the inference task.\nRefer to the Mistral models documentation for the list of available models.",
           "extDocId": "mistral-api-models",
           "extDocUrl": "https://docs.mistral.ai/getting-started/models/",
           "name": "model",
@@ -154860,20 +154860,26 @@
         "name": "MistralServiceType",
         "namespace": "inference._types"
       },
-      "specLocation": "inference/_types/CommonTypes.ts#L1017-L1019"
+      "specLocation": "inference/_types/CommonTypes.ts#L1019-L1021"
     },
     {
       "kind": "enum",
       "members": [
         {
           "name": "text_embedding"
+        },
+        {
+          "name": "completion"
+        },
+        {
+          "name": "chat_completion"
         }
       ],
       "name": {
         "name": "MistralTaskType",
         "namespace": "inference._types"
       },
-      "specLocation": "inference/_types/CommonTypes.ts#L1013-L1015"
+      "specLocation": "inference/_types/CommonTypes.ts#L1013-L1017"
     },
     {
       "kind": "interface",
@@ -154960,7 +154966,7 @@
           }
         }
       ],
-      "specLocation": "inference/_types/CommonTypes.ts#L1021-L1063"
+      "specLocation": "inference/_types/CommonTypes.ts#L1023-L1065"
     },
     {
       "kind": "enum",
@@ -154973,7 +154979,7 @@
         "name": "OpenAIServiceType",
         "namespace": "inference._types"
       },
-      "specLocation": "inference/_types/CommonTypes.ts#L1079-L1081"
+      "specLocation": "inference/_types/CommonTypes.ts#L1081-L1083"
     },
     {
       "kind": "interface",
@@ -154995,7 +155001,7 @@
           }
         }
       ],
-      "specLocation": "inference/_types/CommonTypes.ts#L1065-L1071"
+      "specLocation": "inference/_types/CommonTypes.ts#L1067-L1073"
     },
     {
       "kind": "enum",
@@ -155014,7 +155020,7 @@
         "name": "OpenAITaskType",
         "namespace": "inference._types"
       },
-      "specLocation": "inference/_types/CommonTypes.ts#L1073-L1077"
+      "specLocation": "inference/_types/CommonTypes.ts#L1075-L1079"
     },
     {
       "kind": "interface",
@@ -155624,7 +155630,7 @@
           }
         }
       ],
-      "specLocation": "inference/_types/CommonTypes.ts#L1083-L1114"
+      "specLocation": "inference/_types/CommonTypes.ts#L1085-L1116"
     },
     {
       "kind": "enum",
@@ -155637,7 +155643,7 @@
         "name": "VoyageAIServiceType",
         "namespace": "inference._types"
       },
-      "specLocation": "inference/_types/CommonTypes.ts#L1147-L1149"
+      "specLocation": "inference/_types/CommonTypes.ts#L1149-L1151"
     },
     {
       "kind": "interface",
@@ -155697,7 +155703,7 @@
           }
         }
       ],
-      "specLocation": "inference/_types/CommonTypes.ts#L1116-L1140"
+      "specLocation": "inference/_types/CommonTypes.ts#L1118-L1142"
     },
     {
       "kind": "enum",
@@ -155713,7 +155719,7 @@
         "name": "VoyageAITaskType",
         "namespace": "inference._types"
       },
-      "specLocation": "inference/_types/CommonTypes.ts#L1142-L1145"
+      "specLocation": "inference/_types/CommonTypes.ts#L1144-L1147"
     },
     {
       "kind": "interface",
@@ -155801,7 +155807,7 @@
           }
         }
       ],
-      "specLocation": "inference/_types/CommonTypes.ts#L1151-L1188"
+      "specLocation": "inference/_types/CommonTypes.ts#L1153-L1190"
     },
     {
       "kind": "enum",
@@ -155814,7 +155820,7 @@
         "name": "WatsonxServiceType",
         "namespace": "inference._types"
       },
-      "specLocation": "inference/_types/CommonTypes.ts#L1194-L1196"
+      "specLocation": "inference/_types/CommonTypes.ts#L1196-L1198"
     },
     {
       "kind": "enum",
@@ -155827,7 +155833,7 @@
         "name": "WatsonxTaskType",
         "namespace": "inference._types"
       },
-      "specLocation": "inference/_types/CommonTypes.ts#L1190-L1192"
+      "specLocation": "inference/_types/CommonTypes.ts#L1192-L1194"
     },
     {
       "kind": "request",
@@ -158028,7 +158034,7 @@
           }
         ]
       },
-      "description": "Create a Mistral inference endpoint.\n\nCreates an inference endpoint to perform an inference task with the `mistral` service.",
+      "description": "Create a Mistral inference endpoint.\n\nCreate an inference endpoint to perform an inference task with the `mistral` service.",
       "examples": {
         "PutMistralRequestExample1": {
           "description": "Run `PUT _inference/text_embedding/mistral-embeddings-test` to create a Mistral inference endpoint that performs a text embedding task.",
@@ -158047,7 +158053,7 @@
       },
       "path": [
         {
-          "description": "The task type.\nThe only valid task type for the model to perform is `text_embedding`.",
+          "description": "The type of the inference task that the model will perform.",
           "name": "task_type",
           "required": true,
           "type": {
@@ -158072,7 +158078,7 @@
         }
       ],
       "query": [],
-      "specLocation": "inference/put_mistral/PutMistralRequest.ts#L29-L72"
+      "specLocation": "inference/put_mistral/PutMistralRequest.ts#L29-L71"
     },
     {
       "kind": "response",
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index 0c43e6cc58..cce763280c 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -13573,7 +13573,7 @@ export interface InferenceMistralServiceSettings {
 
 export type InferenceMistralServiceType = 'mistral'
 
-export type InferenceMistralTaskType = 'text_embedding'
+export type InferenceMistralTaskType = 'text_embedding' | 'completion' | 'chat_completion'
 
 export interface InferenceOpenAIServiceSettings {
   api_key: string
diff --git a/specification/inference/_types/CommonTypes.ts b/specification/inference/_types/CommonTypes.ts
index 9bd0f96cf7..772d12a74d 100644
--- a/specification/inference/_types/CommonTypes.ts
+++ b/specification/inference/_types/CommonTypes.ts
@@ -999,7 +999,7 @@ export class MistralServiceSettings {
   max_input_tokens?: integer
   /**
    * The name of the model to use for the inference task.
-   * Refer to the Mistral models documentation for the list of available text embedding models.
+   * Refer to the Mistral models documentation for the list of available models.
    * @ext_doc_id mistral-api-models
    */
   model: string
@@ -1011,7 +1011,9 @@ export class MistralServiceSettings {
 }
 
 export enum MistralTaskType {
-  text_embedding
+  text_embedding,
+  completion,
+  chat_completion
 }
 
 export enum MistralServiceType {
diff --git a/specification/inference/put_mistral/PutMistralRequest.ts b/specification/inference/put_mistral/PutMistralRequest.ts
index 0bc9713a87..17508e1505 100644
--- a/specification/inference/put_mistral/PutMistralRequest.ts
+++ b/specification/inference/put_mistral/PutMistralRequest.ts
@@ -29,7 +29,7 @@ import { InferenceChunkingSettings } from '@inference/_types/Services'
 /**
  * Create a Mistral inference endpoint.
  *
- * Creates an inference endpoint to perform an inference task with the `mistral` service.
+ * Create an inference endpoint to perform an inference task with the `mistral` service.
  * @rest_spec_name inference.put_mistral
  * @availability stack since=8.15.0 stability=stable visibility=public
  * @availability serverless stability=stable visibility=public
@@ -45,8 +45,7 @@ export interface Request extends RequestBase {
   ]
   path_parts: {
     /**
-     * The task type.
-     * The only valid task type for the model to perform is `text_embedding`.
+     * The type of the inference task that the model will perform.
      */
     task_type: MistralTaskType
     /**