fix: enums should not unnecessarily convert non-members to symbol type

lib/openai/models/beta/assistant_update_params.rb

@@ -39,11 +39,11 @@ class AssistantUpdateParams < OpenAI::BaseModel
         #     [Model overview](https://platform.openai.com/docs/models) for descriptions of
         #     them.
         #
-        #   @return [String, Symbol, OpenAI::Models::Beta::AssistantUpdateParams::Model::AssistantSupportedModels, nil]
+        #   @return [String, Symbol, nil]
         optional :model, union: -> { OpenAI::Models::Beta::AssistantUpdateParams::Model }
 
         # @!parse
-        #   # @return [String, Symbol, OpenAI::Models::Beta::AssistantUpdateParams::Model::AssistantSupportedModels]
+        #   # @return [String, Symbol]
         #   attr_writer :model
 
         # @!attribute name
@@ -131,7 +131,7 @@ class AssistantUpdateParams < OpenAI::BaseModel
         #   # @param description [String, nil]
         #   # @param instructions [String, nil]
         #   # @param metadata [Hash{Symbol=>String}, nil]
-        #   # @param model [String, Symbol, OpenAI::Models::Beta::AssistantUpdateParams::Model::AssistantSupportedModels]
+        #   # @param model [String, Symbol]
         #   # @param name [String, nil]
         #   # @param reasoning_effort [Symbol, OpenAI::Models::ReasoningEffort, nil]
         #   # @param response_format [Symbol, :auto, OpenAI::Models::ResponseFormatText, OpenAI::Models::ResponseFormatJSONObject, OpenAI::Models::ResponseFormatJSONSchema, nil]
@@ -169,56 +169,106 @@ class AssistantUpdateParams < OpenAI::BaseModel
         #   [Model overview](https://platform.openai.com/docs/models) for descriptions of
         #   them.
         class Model < OpenAI::Union
+          # @!group
+
+          O3_MINI = :"o3-mini"
+          O3_MINI_2025_01_31 = :"o3-mini-2025-01-31"
+          O1 = :o1
+          O1_2024_12_17 = :"o1-2024-12-17"
+          GPT_4O = :"gpt-4o"
+          GPT_4O_2024_11_20 = :"gpt-4o-2024-11-20"
+          GPT_4O_2024_08_06 = :"gpt-4o-2024-08-06"
+          GPT_4O_2024_05_13 = :"gpt-4o-2024-05-13"
+          GPT_4O_MINI = :"gpt-4o-mini"
+          GPT_4O_MINI_2024_07_18 = :"gpt-4o-mini-2024-07-18"
+          GPT_4_5_PREVIEW = :"gpt-4.5-preview"
+          GPT_4_5_PREVIEW_2025_02_27 = :"gpt-4.5-preview-2025-02-27"
+          GPT_4_TURBO = :"gpt-4-turbo"
+          GPT_4_TURBO_2024_04_09 = :"gpt-4-turbo-2024-04-09"
+          GPT_4_0125_PREVIEW = :"gpt-4-0125-preview"
+          GPT_4_TURBO_PREVIEW = :"gpt-4-turbo-preview"
+          GPT_4_1106_PREVIEW = :"gpt-4-1106-preview"
+          GPT_4_VISION_PREVIEW = :"gpt-4-vision-preview"
+          GPT_4 = :"gpt-4"
+          GPT_4_0314 = :"gpt-4-0314"
+          GPT_4_0613 = :"gpt-4-0613"
+          GPT_4_32K = :"gpt-4-32k"
+          GPT_4_32K_0314 = :"gpt-4-32k-0314"
+          GPT_4_32K_0613 = :"gpt-4-32k-0613"
+          GPT_3_5_TURBO = :"gpt-3.5-turbo"
+          GPT_3_5_TURBO_16K = :"gpt-3.5-turbo-16k"
+          GPT_3_5_TURBO_0613 = :"gpt-3.5-turbo-0613"
+          GPT_3_5_TURBO_1106 = :"gpt-3.5-turbo-1106"
+          GPT_3_5_TURBO_0125 = :"gpt-3.5-turbo-0125"
+          GPT_3_5_TURBO_16K_0613 = :"gpt-3.5-turbo-16k-0613"
+
+          # @!endgroup
+
           variant String
 
-          # ID of the model to use. You can use the [List models](https://platform.openai.com/docs/api-reference/models/list) API to see all of your available models, or see our [Model overview](https://platform.openai.com/docs/models) for descriptions of them.
-          variant enum: -> { OpenAI::Models::Beta::AssistantUpdateParams::Model::AssistantSupportedModels }
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::O3_MINI
 
-          # @abstract
-          #
-          # ID of the model to use. You can use the
-          #   [List models](https://platform.openai.com/docs/api-reference/models/list) API to
-          #   see all of your available models, or see our
-          #   [Model overview](https://platform.openai.com/docs/models) for descriptions of
-          #   them.
-          class AssistantSupportedModels < OpenAI::Enum
-            O3_MINI = :"o3-mini"
-            O3_MINI_2025_01_31 = :"o3-mini-2025-01-31"
-            O1 = :o1
-            O1_2024_12_17 = :"o1-2024-12-17"
-            GPT_4O = :"gpt-4o"
-            GPT_4O_2024_11_20 = :"gpt-4o-2024-11-20"
-            GPT_4O_2024_08_06 = :"gpt-4o-2024-08-06"
-            GPT_4O_2024_05_13 = :"gpt-4o-2024-05-13"
-            GPT_4O_MINI = :"gpt-4o-mini"
-            GPT_4O_MINI_2024_07_18 = :"gpt-4o-mini-2024-07-18"
-            GPT_4_5_PREVIEW = :"gpt-4.5-preview"
-            GPT_4_5_PREVIEW_2025_02_27 = :"gpt-4.5-preview-2025-02-27"
-            GPT_4_TURBO = :"gpt-4-turbo"
-            GPT_4_TURBO_2024_04_09 = :"gpt-4-turbo-2024-04-09"
-            GPT_4_0125_PREVIEW = :"gpt-4-0125-preview"
-            GPT_4_TURBO_PREVIEW = :"gpt-4-turbo-preview"
-            GPT_4_1106_PREVIEW = :"gpt-4-1106-preview"
-            GPT_4_VISION_PREVIEW = :"gpt-4-vision-preview"
-            GPT_4 = :"gpt-4"
-            GPT_4_0314 = :"gpt-4-0314"
-            GPT_4_0613 = :"gpt-4-0613"
-            GPT_4_32K = :"gpt-4-32k"
-            GPT_4_32K_0314 = :"gpt-4-32k-0314"
-            GPT_4_32K_0613 = :"gpt-4-32k-0613"
-            GPT_3_5_TURBO = :"gpt-3.5-turbo"
-            GPT_3_5_TURBO_16K = :"gpt-3.5-turbo-16k"
-            GPT_3_5_TURBO_0613 = :"gpt-3.5-turbo-0613"
-            GPT_3_5_TURBO_1106 = :"gpt-3.5-turbo-1106"
-            GPT_3_5_TURBO_0125 = :"gpt-3.5-turbo-0125"
-            GPT_3_5_TURBO_16K_0613 = :"gpt-3.5-turbo-16k-0613"
-
-            finalize!
-          end
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::O3_MINI_2025_01_31
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::O1
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::O1_2024_12_17
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_4O
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_4O_2024_11_20
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_4O_2024_08_06
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_4O_2024_05_13
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_4O_MINI
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_4O_MINI_2024_07_18
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_4_5_PREVIEW
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_4_5_PREVIEW_2025_02_27
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_4_TURBO
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_4_TURBO_2024_04_09
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_4_0125_PREVIEW
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_4_TURBO_PREVIEW
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_4_1106_PREVIEW
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_4_VISION_PREVIEW
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_4
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_4_0314
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_4_0613
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_4_32K
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_4_32K_0314
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_4_32K_0613
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_3_5_TURBO
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_3_5_TURBO_16K
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_3_5_TURBO_0613
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_3_5_TURBO_1106
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_3_5_TURBO_0125
+
+          variant const: OpenAI::Models::Beta::AssistantUpdateParams::Model::GPT_3_5_TURBO_16K_0613
 
           # @!parse
           #   class << self
-          #     # @return [Array(String, Symbol, OpenAI::Models::Beta::AssistantUpdateParams::Model::AssistantSupportedModels)]
+          #     # @return [Array(String, Symbol)]
           #     def variants; end
           #   end
         end

lib/openai/models/completion_create_params.rb

@@ -14,7 +14,7 @@ class CompletionCreateParams < OpenAI::BaseModel
       #     [Model overview](https://platform.openai.com/docs/models) for descriptions of
       #     them.
       #
-      #   @return [String, Symbol, OpenAI::Models::CompletionCreateParams::Model::Preset]
+      #   @return [String, Symbol]
       required :model, union: -> { OpenAI::Models::CompletionCreateParams::Model }
 
       # @!attribute prompt
@@ -183,7 +183,7 @@ class CompletionCreateParams < OpenAI::BaseModel
       #   attr_writer :user
 
       # @!parse
-      #   # @param model [String, Symbol, OpenAI::Models::CompletionCreateParams::Model::Preset]
+      #   # @param model [String, Symbol]
       #   # @param prompt [String, Array<String>, Array<Integer>, Array<Array<Integer>>, nil]
       #   # @param best_of [Integer, nil]
       #   # @param echo [Boolean, nil]
@@ -236,29 +236,25 @@ class CompletionCreateParams < OpenAI::BaseModel
       #   [Model overview](https://platform.openai.com/docs/models) for descriptions of
       #   them.
       class Model < OpenAI::Union
+        # @!group
+
+        GPT_3_5_TURBO_INSTRUCT = :"gpt-3.5-turbo-instruct"
+        DAVINCI_002 = :"davinci-002"
+        BABBAGE_002 = :"babbage-002"
+
+        # @!endgroup
+
         variant String
 
-        # ID of the model to use. You can use the [List models](https://platform.openai.com/docs/api-reference/models/list) API to see all of your available models, or see our [Model overview](https://platform.openai.com/docs/models) for descriptions of them.
-        variant enum: -> { OpenAI::Models::CompletionCreateParams::Model::Preset }
+        variant const: OpenAI::Models::CompletionCreateParams::Model::GPT_3_5_TURBO_INSTRUCT
 
-        # @abstract
-        #
-        # ID of the model to use. You can use the
-        #   [List models](https://platform.openai.com/docs/api-reference/models/list) API to
-        #   see all of your available models, or see our
-        #   [Model overview](https://platform.openai.com/docs/models) for descriptions of
-        #   them.
-        class Preset < OpenAI::Enum
-          GPT_3_5_TURBO_INSTRUCT = :"gpt-3.5-turbo-instruct"
-          DAVINCI_002 = :"davinci-002"
-          BABBAGE_002 = :"babbage-002"
+        variant const: OpenAI::Models::CompletionCreateParams::Model::DAVINCI_002
 
-          finalize!
-        end
+        variant const: OpenAI::Models::CompletionCreateParams::Model::BABBAGE_002
 
         # @!parse
         #   class << self
-        #     # @return [Array(String, Symbol, OpenAI::Models::CompletionCreateParams::Model::Preset)]
+        #     # @return [Array(String, Symbol)]
         #     def variants; end
         #   end
       end

lib/openai/models/fine_tuning/job_create_params.rb

@@ -12,7 +12,7 @@ class JobCreateParams < OpenAI::BaseModel
         #   The name of the model to fine-tune. You can select one of the
         #     [supported models](https://platform.openai.com/docs/guides/fine-tuning#which-models-can-be-fine-tuned).
         #
-        #   @return [String, Symbol, OpenAI::Models::FineTuning::JobCreateParams::Model::Preset]
+        #   @return [String, Symbol]
         required :model, union: -> { OpenAI::Models::FineTuning::JobCreateParams::Model }
 
         # @!attribute training_file
@@ -113,7 +113,7 @@ class JobCreateParams < OpenAI::BaseModel
         optional :validation_file, String, nil?: true
 
         # @!parse
-        #   # @param model [String, Symbol, OpenAI::Models::FineTuning::JobCreateParams::Model::Preset]
+        #   # @param model [String, Symbol]
         #   # @param training_file [String]
         #   # @param hyperparameters [OpenAI::Models::FineTuning::JobCreateParams::Hyperparameters]
         #   # @param integrations [Array<OpenAI::Models::FineTuning::JobCreateParams::Integration>, nil]
@@ -147,28 +147,28 @@ class JobCreateParams < OpenAI::BaseModel
         # The name of the model to fine-tune. You can select one of the
         #   [supported models](https://platform.openai.com/docs/guides/fine-tuning#which-models-can-be-fine-tuned).
         class Model < OpenAI::Union
+          # @!group
+
+          BABBAGE_002 = :"babbage-002"
+          DAVINCI_002 = :"davinci-002"
+          GPT_3_5_TURBO = :"gpt-3.5-turbo"
+          GPT_4O_MINI = :"gpt-4o-mini"
+
+          # @!endgroup
+
           variant String
 
-          # The name of the model to fine-tune. You can select one of the
-          # [supported models](https://platform.openai.com/docs/guides/fine-tuning#which-models-can-be-fine-tuned).
-          variant enum: -> { OpenAI::Models::FineTuning::JobCreateParams::Model::Preset }
+          variant const: OpenAI::Models::FineTuning::JobCreateParams::Model::BABBAGE_002
 
-          # @abstract
-          #
-          # The name of the model to fine-tune. You can select one of the
-          #   [supported models](https://platform.openai.com/docs/guides/fine-tuning#which-models-can-be-fine-tuned).
-          class Preset < OpenAI::Enum
-            BABBAGE_002 = :"babbage-002"
-            DAVINCI_002 = :"davinci-002"
-            GPT_3_5_TURBO = :"gpt-3.5-turbo"
-            GPT_4O_MINI = :"gpt-4o-mini"
+          variant const: OpenAI::Models::FineTuning::JobCreateParams::Model::DAVINCI_002
 
-            finalize!
-          end
+          variant const: OpenAI::Models::FineTuning::JobCreateParams::Model::GPT_3_5_TURBO
+
+          variant const: OpenAI::Models::FineTuning::JobCreateParams::Model::GPT_4O_MINI
 
           # @!parse
           #   class << self
-          #     # @return [Array(String, Symbol, OpenAI::Models::FineTuning::JobCreateParams::Model::Preset)]
+          #     # @return [Array(String, Symbol)]
           #     def variants; end
           #   end
         end

lib/openai/resources/beta/assistants.rb

@@ -125,7 +125,7 @@ def retrieve(assistant_id, params = {})
         #     Keys are strings with a maximum length of 64 characters. Values are strings with
         #     a maximum length of 512 characters.
         #
-        #   @option params [String, Symbol, OpenAI::Models::Beta::AssistantUpdateParams::Model::AssistantSupportedModels] :model ID of the model to use. You can use the
+        #   @option params [String, Symbol] :model ID of the model to use. You can use the
         #     [List models](https://platform.openai.com/docs/api-reference/models/list) API to
         #     see all of your available models, or see our
         #     [Model overview](https://platform.openai.com/docs/models) for descriptions of

lib/openai/resources/completions.rb

@@ -7,7 +7,7 @@ class Completions
       #
       # @param params [OpenAI::Models::CompletionCreateParams, Hash{Symbol=>Object}] .
       #
-      #   @option params [String, Symbol, OpenAI::Models::CompletionCreateParams::Model::Preset] :model ID of the model to use. You can use the
+      #   @option params [String, Symbol] :model ID of the model to use. You can use the
       #     [List models](https://platform.openai.com/docs/api-reference/models/list) API to
       #     see all of your available models, or see our
       #     [Model overview](https://platform.openai.com/docs/models) for descriptions of
@@ -129,7 +129,7 @@ def create(params)
       #
       # @param params [OpenAI::Models::CompletionCreateParams, Hash{Symbol=>Object}] .
       #
-      #   @option params [String, Symbol, OpenAI::Models::CompletionCreateParams::Model::Preset] :model ID of the model to use. You can use the
+      #   @option params [String, Symbol] :model ID of the model to use. You can use the
       #     [List models](https://platform.openai.com/docs/api-reference/models/list) API to
       #     see all of your available models, or see our
       #     [Model overview](https://platform.openai.com/docs/models) for descriptions of

lib/openai/resources/fine_tuning/jobs.rb

@@ -17,7 +17,7 @@ class Jobs
         #
         # @param params [OpenAI::Models::FineTuning::JobCreateParams, Hash{Symbol=>Object}] .
         #
-        #   @option params [String, Symbol, OpenAI::Models::FineTuning::JobCreateParams::Model::Preset] :model The name of the model to fine-tune. You can select one of the
+        #   @option params [String, Symbol] :model The name of the model to fine-tune. You can select one of the
         #     [supported models](https://platform.openai.com/docs/guides/fine-tuning#which-models-can-be-fine-tuned).
         #
         #   @option params [String] :training_file The ID of an uploaded file that contains training data.

rbi/lib/openai/models/beta/assistant_update_params.rbi

@@ -307,48 +307,6 @@ module OpenAI
           abstract!
 
           Variants = type_template(:out) { {fixed: T.any(String, Symbol)} }
-
-          # ID of the model to use. You can use the
-          #   [List models](https://platform.openai.com/docs/api-reference/models/list) API to
-          #   see all of your available models, or see our
-          #   [Model overview](https://platform.openai.com/docs/models) for descriptions of
-          #   them.
-          class AssistantSupportedModels < OpenAI::Enum
-            abstract!
-
-            Value = type_template(:out) { {fixed: Symbol} }
-
-            O3_MINI = :"o3-mini"
-            O3_MINI_2025_01_31 = :"o3-mini-2025-01-31"
-            O1 = :o1
-            O1_2024_12_17 = :"o1-2024-12-17"
-            GPT_4O = :"gpt-4o"
-            GPT_4O_2024_11_20 = :"gpt-4o-2024-11-20"
-            GPT_4O_2024_08_06 = :"gpt-4o-2024-08-06"
-            GPT_4O_2024_05_13 = :"gpt-4o-2024-05-13"
-            GPT_4O_MINI = :"gpt-4o-mini"
-            GPT_4O_MINI_2024_07_18 = :"gpt-4o-mini-2024-07-18"
-            GPT_4_5_PREVIEW = :"gpt-4.5-preview"
-            GPT_4_5_PREVIEW_2025_02_27 = :"gpt-4.5-preview-2025-02-27"
-            GPT_4_TURBO = :"gpt-4-turbo"
-            GPT_4_TURBO_2024_04_09 = :"gpt-4-turbo-2024-04-09"
-            GPT_4_0125_PREVIEW = :"gpt-4-0125-preview"
-            GPT_4_TURBO_PREVIEW = :"gpt-4-turbo-preview"
-            GPT_4_1106_PREVIEW = :"gpt-4-1106-preview"
-            GPT_4_VISION_PREVIEW = :"gpt-4-vision-preview"
-            GPT_4 = :"gpt-4"
-            GPT_4_0314 = :"gpt-4-0314"
-            GPT_4_0613 = :"gpt-4-0613"
-            GPT_4_32K = :"gpt-4-32k"
-            GPT_4_32K_0314 = :"gpt-4-32k-0314"
-            GPT_4_32K_0613 = :"gpt-4-32k-0613"
-            GPT_3_5_TURBO = :"gpt-3.5-turbo"
-            GPT_3_5_TURBO_16K = :"gpt-3.5-turbo-16k"
-            GPT_3_5_TURBO_0613 = :"gpt-3.5-turbo-0613"
-            GPT_3_5_TURBO_1106 = :"gpt-3.5-turbo-1106"
-            GPT_3_5_TURBO_0125 = :"gpt-3.5-turbo-0125"
-            GPT_3_5_TURBO_16K_0613 = :"gpt-3.5-turbo-16k-0613"
-          end
         end
 
         class ToolResources < OpenAI::BaseModel