Handling of GPT 5.1 models in chat completion + reasoning effort none

Author: peterbanda

openai-client/src/main/scala/io/cequence/openaiscala/service/OpenAIServiceFactoryHelper.scala

@@ -32,7 +32,7 @@ trait OpenAIServiceFactoryHelper[F] extends OpenAIServiceConsts {
     implicit ec: ExecutionContext,
     materializer: Materializer
   ): F =
-    apply(ConfigFactory.load(configFileName))
+    apply(loadDefaultConfig)
 
   def apply(
     config: Config

openai-client/src/main/scala/io/cequence/openaiscala/service/impl/OpenAIChatCompletionServiceImpl.scala

@@ -73,6 +73,10 @@ trait ChatCompletionBodyMaker {
   )
 
   private val gpt5Models = Set(
+    ModelId.gpt_5_1,
+    ModelId.gpt_5_1_2025_11_13,
+    ModelId.gpt_5_pro,
+    ModelId.gpt_5_pro_2025_10_06,
     ModelId.gpt_5,
     ModelId.gpt_5_2025_08_07,
     ModelId.gpt_5_mini,

openai-core/src/main/scala/io/cequence/openaiscala/JsonFormats.scala

@@ -363,6 +363,7 @@ object JsonFormats {
   )
 
   implicit val reasoningEffortFormat: Format[ReasoningEffort] = enumFormat[ReasoningEffort](
+    ReasoningEffort.none,
     ReasoningEffort.minimal,
     ReasoningEffort.low,
     ReasoningEffort.medium,
@@ -1245,13 +1246,13 @@ object JsonFormats {
           if ((json \ "enum").asOpt[Seq[String]].exists(_.isEmpty)) json - "enum" else json
 
         case c: JsonSchema.Number =>
-          Json.toJson(c).as[JsObject]
+          Json.toJsObject(c)
 
         case c: JsonSchema.Integer =>
-          Json.toJson(c).as[JsObject]
+          Json.toJsObject(c)
 
         case c: JsonSchema.Boolean =>
-          Json.toJson(c).as[JsObject]
+          Json.toJsObject(c)
 
         case _: JsonSchema.Null =>
           Json.obj()

openai-core/src/main/scala/io/cequence/openaiscala/domain/settings/CreateChatCompletionSettings.scala

@@ -178,6 +178,7 @@ object ChatCompletionResponseFormatType {
 sealed trait ReasoningEffort extends EnumValue
 
 object ReasoningEffort {
+  case object none extends ReasoningEffort
   case object minimal extends ReasoningEffort
   case object low extends ReasoningEffort
   case object medium extends ReasoningEffort