feat(api): workload identity in audit logs, additional_tools item in responses, fix ActionSearch.query to be optional.

Author: stainless-app[bot]

.stats.yml

@@ -1,4 +1,4 @@
 configured_endpoints: 249
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/openai/openai-afacc4343d0efc074c8c5667eb83570642c8b9acaa7792ca8e075c6d18ef9f3a.yml
-openapi_spec_hash: a62a557c61532681963fd21e748b0eb4
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/openai/openai-2a971ccbb946726988e96654eaecceb6d9b5ad27f5793c0064b864f5686d4fc1.yml
+openapi_spec_hash: a712e4ee68f829570b3f5b267afa5a05
 config_hash: bb69d8d0771dbac4a84fc6dca11e3ceb

adminorganizationauditlog.go

@@ -3089,6 +3089,14 @@ type ChatCompletionNewParams struct {
 	// prompt caching, which keeps cached prefixes active for longer, up to a maximum
 	// of 24 hours.
 	// [Learn more](https://platform.openai.com/docs/guides/prompt-caching#prompt-cache-retention).
+	// For `gpt-5.5`, `gpt-5.5-pro`, and future models, only `24h` is supported.
+	//
+	// For older models that support both `in_memory` and `24h`, the default depends on
+	// your organization's data retention policy:
+	//
+	//   - Organizations without ZDR enabled default to `24h`.
+	//   - Organizations with ZDR enabled default to `in_memory` when
+	//     `prompt_cache_retention` is not specified.
 	//
 	// Any of "in_memory", "24h".
 	PromptCacheRetention ChatCompletionNewParamsPromptCacheRetention `json:"prompt_cache_retention,omitzero"`
@@ -3271,6 +3279,14 @@ func (r *ChatCompletionNewParamsFunction) UnmarshalJSON(data []byte) error {
 // prompt caching, which keeps cached prefixes active for longer, up to a maximum
 // of 24 hours.
 // [Learn more](https://platform.openai.com/docs/guides/prompt-caching#prompt-cache-retention).
+// For `gpt-5.5`, `gpt-5.5-pro`, and future models, only `24h` is supported.
+//
+// For older models that support both `in_memory` and `24h`, the default depends on
+// your organization's data retention policy:
+//
+//   - Organizations without ZDR enabled default to `24h`.
+//   - Organizations with ZDR enabled default to `in_memory` when
+//     `prompt_cache_retention` is not specified.
 type ChatCompletionNewParamsPromptCacheRetention string
 
 const (

chatcompletion.go

@@ -124,9 +124,9 @@ func (r *ItemService) Delete(ctx context.Context, conversationID string, itemID
 // [ConversationItemImageGenerationCall], [responses.ResponseComputerToolCall],
 // [responses.ResponseComputerToolCallOutputItem],
 // [responses.ResponseToolSearchCall], [responses.ResponseToolSearchOutputItem],
-// [responses.ResponseReasoningItem], [responses.ResponseCompactionItem],
-// [responses.ResponseCodeInterpreterToolCall], [ConversationItemLocalShellCall],
-// [ConversationItemLocalShellCallOutput],
+// [ConversationItemAdditionalTools], [responses.ResponseReasoningItem],
+// [responses.ResponseCompactionItem], [responses.ResponseCodeInterpreterToolCall],
+// [ConversationItemLocalShellCall], [ConversationItemLocalShellCallOutput],
 // [responses.ResponseFunctionShellToolCall],
 // [responses.ResponseFunctionShellToolCallOutput],
 // [responses.ResponseApplyPatchToolCall],
@@ -143,17 +143,16 @@ type ConversationItemUnion struct {
 	// This field is a union of [[]MessageContentUnion],
 	// [[]responses.ResponseReasoningItemContent]
 	Content ConversationItemUnionContent `json:"content"`
-	// This field is from variant [Message].
-	Role   MessageRole `json:"role"`
-	Status string      `json:"status"`
+	Role    string                       `json:"role"`
+	Status  string                       `json:"status"`
 	// Any of "message", "function_call", "function_call_output", "file_search_call",
 	// "web_search_call", "image_generation_call", "computer_call",
-	// "computer_call_output", "tool_search_call", "tool_search_output", "reasoning",
-	// "compaction", "code_interpreter_call", "local_shell_call",
-	// "local_shell_call_output", "shell_call", "shell_call_output",
-	// "apply_patch_call", "apply_patch_call_output", "mcp_list_tools",
-	// "mcp_approval_request", "mcp_approval_response", "mcp_call", "custom_tool_call",
-	// "custom_tool_call_output".
+	// "computer_call_output", "tool_search_call", "tool_search_output",
+	// "additional_tools", "reasoning", "compaction", "code_interpreter_call",
+	// "local_shell_call", "local_shell_call_output", "shell_call",
+	// "shell_call_output", "apply_patch_call", "apply_patch_call_output",
+	// "mcp_list_tools", "mcp_approval_request", "mcp_approval_response", "mcp_call",
+	// "custom_tool_call", "custom_tool_call_output".
 	Type string `json:"type"`
 	// This field is from variant [Message].
 	Phase MessagePhase `json:"phase"`
@@ -187,7 +186,7 @@ type ConversationItemUnion struct {
 	// This field is from variant [responses.ResponseComputerToolCallOutputItem].
 	AcknowledgedSafetyChecks []responses.ResponseComputerToolCallOutputItemAcknowledgedSafetyCheck `json:"acknowledged_safety_checks"`
 	Execution                string                                                                `json:"execution"`
-	// This field is a union of [[]responses.ToolUnion],
+	// This field is a union of [[]responses.ToolUnion], [[]responses.ToolUnion],
 	// [[]ConversationItemMcpListToolsTool]
 	Tools ConversationItemUnionTools `json:"tools"`
 	// This field is from variant [responses.ResponseReasoningItem].
@@ -262,6 +261,7 @@ type anyConversationItem interface {
 
 func (Message) ImplConversationItemUnion()                              {}
 func (ConversationItemImageGenerationCall) ImplConversationItemUnion()  {}
+func (ConversationItemAdditionalTools) ImplConversationItemUnion()      {}
 func (ConversationItemLocalShellCall) ImplConversationItemUnion()       {}
 func (ConversationItemLocalShellCallOutput) ImplConversationItemUnion() {}
 func (ConversationItemMcpListTools) ImplConversationItemUnion()         {}
@@ -282,6 +282,7 @@ func (ConversationItemMcpCall) ImplConversationItemUnion()              {}
 //	case responses.ResponseComputerToolCallOutputItem:
 //	case responses.ResponseToolSearchCall:
 //	case responses.ResponseToolSearchOutputItem:
+//	case conversations.ConversationItemAdditionalTools:
 //	case responses.ResponseReasoningItem:
 //	case responses.ResponseCompactionItem:
 //	case responses.ResponseCodeInterpreterToolCall:
@@ -322,6 +323,8 @@ func (u ConversationItemUnion) AsAny() anyConversationItem {
 		return u.AsToolSearchCall()
 	case "tool_search_output":
 		return u.AsToolSearchOutput()
+	case "additional_tools":
+		return u.AsAdditionalTools()
 	case "reasoning":
 		return u.AsReasoning()
 	case "compaction":
@@ -406,6 +409,11 @@ func (u ConversationItemUnion) AsToolSearchOutput() (v responses.ResponseToolSea
 	return
 }
 
+func (u ConversationItemUnion) AsAdditionalTools() (v ConversationItemAdditionalTools) {
+	apijson.UnmarshalRoot(json.RawMessage(u.JSON.raw), &v)
+	return
+}
+
 func (u ConversationItemUnion) AsReasoning() (v responses.ResponseReasoningItem) {
 	apijson.UnmarshalRoot(json.RawMessage(u.JSON.raw), &v)
 	return
@@ -588,12 +596,12 @@ func (r *ConversationItemUnionOutput) UnmarshalJSON(data []byte) error {
 // For type safety it is recommended to directly use a variant of the
 // [ConversationItemUnion].
 type ConversationItemUnionAction struct {
-	// This field is from variant [responses.ResponseFunctionWebSearchActionUnion].
-	Query string `json:"query"`
-	Type  string `json:"type"`
+	Type string `json:"type"`
 	// This field is from variant [responses.ResponseFunctionWebSearchActionUnion].
 	Queries []string `json:"queries"`
 	// This field is from variant [responses.ResponseFunctionWebSearchActionUnion].
+	Query string `json:"query"`
+	// This field is from variant [responses.ResponseFunctionWebSearchActionUnion].
 	Sources []responses.ResponseFunctionWebSearchActionSearchSource `json:"sources"`
 	URL     string                                                  `json:"url"`
 	// This field is from variant [responses.ResponseFunctionWebSearchActionUnion].
@@ -625,9 +633,9 @@ type ConversationItemUnionAction struct {
 	// This field is from variant [responses.ResponseFunctionShellToolCallAction].
 	MaxOutputLength int64 `json:"max_output_length"`
 	JSON            struct {
-		Query            respjson.Field
 		Type             respjson.Field
 		Queries          respjson.Field
+		Query            respjson.Field
 		Sources          respjson.Field
 		URL              respjson.Field
 		Pattern          respjson.Field
@@ -710,6 +718,35 @@ func (r *ConversationItemImageGenerationCall) UnmarshalJSON(data []byte) error {
 	return apijson.UnmarshalRoot(data, r)
 }
 
+type ConversationItemAdditionalTools struct {
+	// The unique ID of the additional tools item.
+	ID string `json:"id" api:"required"`
+	// The role that provided the additional tools.
+	//
+	// Any of "unknown", "user", "assistant", "system", "critic", "discriminator",
+	// "developer", "tool".
+	Role string `json:"role" api:"required"`
+	// The additional tool definitions made available at this item.
+	Tools []responses.ToolUnion `json:"tools" api:"required"`
+	// The type of the item. Always `additional_tools`.
+	Type constant.AdditionalTools `json:"type" default:"additional_tools"`
+	// JSON contains metadata for fields, check presence with [respjson.Field.Valid].
+	JSON struct {
+		ID          respjson.Field
+		Role        respjson.Field
+		Tools       respjson.Field
+		Type        respjson.Field
+		ExtraFields map[string]respjson.Field
+		raw         string
+	} `json:"-"`
+}
+
+// Returns the unmodified JSON received from the API
+func (r ConversationItemAdditionalTools) RawJSON() string { return r.JSON.raw }
+func (r *ConversationItemAdditionalTools) UnmarshalJSON(data []byte) error {
+	return apijson.UnmarshalRoot(data, r)
+}
+
 // A tool call to run a command on the local shell.
 type ConversationItemLocalShellCall struct {
 	// The unique ID of the local shell call.

conversations/item.go

@@ -102,6 +102,10 @@ type InputTokenCountParams struct {
 	// An array of tools the model may call while generating a response. You can
 	// specify which tool to use by setting the `tool_choice` parameter.
 	Tools []ToolUnionParam `json:"tools,omitzero"`
+	// A model-owned style preset to apply to this request. Omit this parameter to use
+	// the model's default style. Supported values may expand over time. Values must be
+	// at most 64 characters.
+	Personality InputTokenCountParamsPersonality `json:"personality,omitzero"`
 	// **gpt-5 and o-series models only** Configuration options for
 	// [reasoning models](https://platform.openai.com/docs/guides/reasoning).
 	Reasoning shared.ReasoningParam `json:"reasoning,omitzero"`
@@ -174,6 +178,16 @@ func (u *InputTokenCountParamsInputUnion) asAny() any {
 	return nil
 }
 
+// A model-owned style preset to apply to this request. Omit this parameter to use
+// the model's default style. Supported values may expand over time. Values must be
+// at most 64 characters.
+type InputTokenCountParamsPersonality string
+
+const (
+	InputTokenCountParamsPersonalityFriendly  InputTokenCountParamsPersonality = "friendly"
+	InputTokenCountParamsPersonalityPragmatic InputTokenCountParamsPersonality = "pragmatic"
+)
+
 // Configuration options for a text response from the model. Can be plain text or
 // structured JSON data. Learn more:
 //

responses/inputtoken.go

@@ -38,6 +38,7 @@ func TestInputTokenCountWithOptionalParams(t *testing.T) {
 		Instructions:       openai.String("instructions"),
 		Model:              openai.String("model"),
 		ParallelToolCalls:  openai.Bool(true),
+		Personality:        responses.InputTokenCountParamsPersonalityFriendly,
 		PreviousResponseID: openai.String("resp_123"),
 		Reasoning: shared.ReasoningParam{
 			Effort:          shared.ReasoningEffortNone,