diff --git a/common/endpoint_defaults.go b/common/endpoint_defaults.go
index 6717a22fd..11ec79217 100644
--- a/common/endpoint_defaults.go
+++ b/common/endpoint_defaults.go
@@ -17,13 +17,14 @@ type EndpointInfo struct {
 
 // defaultEndpointInfoMap 保存内置端点的默认 Path 与 Method
 var defaultEndpointInfoMap = map[constant.EndpointType]EndpointInfo{
-	constant.EndpointTypeOpenAI:          {Path: "/v1/chat/completions", Method: "POST"},
-	constant.EndpointTypeOpenAIResponse:  {Path: "/v1/responses", Method: "POST"},
-	constant.EndpointTypeAnthropic:       {Path: "/v1/messages", Method: "POST"},
-	constant.EndpointTypeGemini:          {Path: "/v1beta/models/{model}:generateContent", Method: "POST"},
-	constant.EndpointTypeJinaRerank:      {Path: "/v1/rerank", Method: "POST"},
-	constant.EndpointTypeImageGeneration: {Path: "/v1/images/generations", Method: "POST"},
-	constant.EndpointTypeEmbeddings:      {Path: "/v1/embeddings", Method: "POST"},
+	constant.EndpointTypeOpenAI:                {Path: "/v1/chat/completions", Method: "POST"},
+	constant.EndpointTypeOpenAIResponse:        {Path: "/v1/responses", Method: "POST"},
+	constant.EndpointTypeOpenAIResponseCompact: {Path: "/v1/responses/compact", Method: "POST"},
+	constant.EndpointTypeAnthropic:             {Path: "/v1/messages", Method: "POST"},
+	constant.EndpointTypeGemini:                {Path: "/v1beta/models/{model}:generateContent", Method: "POST"},
+	constant.EndpointTypeJinaRerank:            {Path: "/v1/rerank", Method: "POST"},
+	constant.EndpointTypeImageGeneration:       {Path: "/v1/images/generations", Method: "POST"},
+	constant.EndpointTypeEmbeddings:            {Path: "/v1/embeddings", Method: "POST"},
 }
 
 // GetDefaultEndpointInfo 返回指定端点类型的默认信息以及是否存在
diff --git a/constant/endpoint_type.go b/constant/endpoint_type.go
index 29c0d31e3..8681bf06e 100644
--- a/constant/endpoint_type.go
+++ b/constant/endpoint_type.go
@@ -3,14 +3,15 @@ package constant
 type EndpointType string
 
 const (
-	EndpointTypeOpenAI          EndpointType = "openai"
-	EndpointTypeOpenAIResponse  EndpointType = "openai-response"
-	EndpointTypeAnthropic       EndpointType = "anthropic"
-	EndpointTypeGemini          EndpointType = "gemini"
-	EndpointTypeJinaRerank      EndpointType = "jina-rerank"
-	EndpointTypeImageGeneration EndpointType = "image-generation"
-	EndpointTypeEmbeddings      EndpointType = "embeddings"
-	EndpointTypeOpenAIVideo     EndpointType = "openai-video"
+	EndpointTypeOpenAI                EndpointType = "openai"
+	EndpointTypeOpenAIResponse        EndpointType = "openai-response"
+	EndpointTypeOpenAIResponseCompact EndpointType = "openai-response-compact"
+	EndpointTypeAnthropic             EndpointType = "anthropic"
+	EndpointTypeGemini                EndpointType = "gemini"
+	EndpointTypeJinaRerank            EndpointType = "jina-rerank"
+	EndpointTypeImageGeneration       EndpointType = "image-generation"
+	EndpointTypeEmbeddings            EndpointType = "embeddings"
+	EndpointTypeOpenAIVideo           EndpointType = "openai-video"
 	//EndpointTypeMidjourney     EndpointType = "midjourney-proxy"
 	//EndpointTypeSuno           EndpointType = "suno-proxy"
 	//EndpointTypeKling          EndpointType = "kling"
diff --git a/controller/channel-test.go b/controller/channel-test.go
index 03f9139b7..5ae04e8a0 100644
--- a/controller/channel-test.go
+++ b/controller/channel-test.go
@@ -26,6 +26,7 @@ import (
 	"github.com/QuantumNous/new-api/relay/helper"
 	"github.com/QuantumNous/new-api/service"
 	"github.com/QuantumNous/new-api/setting/operation_setting"
+	"github.com/QuantumNous/new-api/setting/ratio_setting"
 	"github.com/QuantumNous/new-api/types"
 
 	"github.com/bytedance/gopkg/util/gopool"
@@ -107,6 +108,14 @@ func testChannel(channel *model.Channel, testModel string, endpointType string)
 		if strings.Contains(strings.ToLower(testModel), "codex") {
 			requestPath = "/v1/responses"
 		}
+
+		// responses compaction models (must use /v1/responses/compact)
+		if strings.HasSuffix(testModel, ratio_setting.CompactModelSuffix) {
+			requestPath = "/v1/responses/compact"
+		}
+	}
+	if strings.HasPrefix(requestPath, "/v1/responses/compact") {
+		testModel = ratio_setting.WithCompactModelSuffix(testModel)
 	}
 
 	c.Request = &http.Request{
@@ -150,6 +159,8 @@ func testChannel(channel *model.Channel, testModel string, endpointType string)
 			relayFormat = types.RelayFormatOpenAI
 		case constant.EndpointTypeOpenAIResponse:
 			relayFormat = types.RelayFormatOpenAIResponses
+		case constant.EndpointTypeOpenAIResponseCompact:
+			relayFormat = types.RelayFormatOpenAIResponsesCompaction
 		case constant.EndpointTypeAnthropic:
 			relayFormat = types.RelayFormatClaude
 		case constant.EndpointTypeGemini:
@@ -184,6 +195,9 @@ func testChannel(channel *model.Channel, testModel string, endpointType string)
 		if c.Request.URL.Path == "/v1/responses" {
 			relayFormat = types.RelayFormatOpenAIResponses
 		}
+		if strings.HasPrefix(c.Request.URL.Path, "/v1/responses/compact") {
+			relayFormat = types.RelayFormatOpenAIResponsesCompaction
+		}
 	}
 
 	request := buildTestRequest(testModel, endpointType, channel)
@@ -215,6 +229,15 @@ func testChannel(channel *model.Channel, testModel string, endpointType string)
 	request.SetModelName(testModel)
 
 	apiType, _ := common.ChannelType2APIType(channel.Type)
+	if info.RelayMode == relayconstant.RelayModeResponsesCompact &&
+		apiType != constant.APITypeOpenAI &&
+		apiType != constant.APITypeCodex {
+		return testResult{
+			context:     c,
+			localErr:    fmt.Errorf("responses compaction test only supports openai/codex channels, got api type %d", apiType),
+			newAPIError: types.NewError(fmt.Errorf("unsupported api type: %d", apiType), types.ErrorCodeInvalidApiType),
+		}
+	}
 	adaptor := relay.GetAdaptor(apiType)
 	if adaptor == nil {
 		return testResult{
@@ -287,6 +310,25 @@ func testChannel(channel *model.Channel, testModel string, endpointType string)
 				newAPIError: types.NewError(errors.New("invalid response request type"), types.ErrorCodeConvertRequestFailed),
 			}
 		}
+	case relayconstant.RelayModeResponsesCompact:
+		// Response compaction request - convert to OpenAIResponsesRequest before adapting
+		switch req := request.(type) {
+		case *dto.OpenAIResponsesCompactionRequest:
+			convertedRequest, err = adaptor.ConvertOpenAIResponsesRequest(c, info, dto.OpenAIResponsesRequest{
+				Model:              req.Model,
+				Input:              req.Input,
+				Instructions:       req.Instructions,
+				PreviousResponseID: req.PreviousResponseID,
+			})
+		case *dto.OpenAIResponsesRequest:
+			convertedRequest, err = adaptor.ConvertOpenAIResponsesRequest(c, info, *req)
+		default:
+			return testResult{
+				context:     c,
+				localErr:    errors.New("invalid response compaction request type"),
+				newAPIError: types.NewError(errors.New("invalid response compaction request type"), types.ErrorCodeConvertRequestFailed),
+			}
+		}
 	default:
 		// Chat/Completion 等其他请求类型
 		if generalReq, ok := request.(*dto.GeneralOpenAIRequest); ok {
@@ -432,6 +474,8 @@ func testChannel(channel *model.Channel, testModel string, endpointType string)
 }
 
 func buildTestRequest(model string, endpointType string, channel *model.Channel) dto.Request {
+	testResponsesInput := json.RawMessage(`[{"role":"user","content":"hi"}]`)
+
 	// 根据端点类型构建不同的测试请求
 	if endpointType != "" {
 		switch constant.EndpointType(endpointType) {
@@ -463,6 +507,12 @@ func buildTestRequest(model string, endpointType string, channel *model.Channel)
 				Model: model,
 				Input: json.RawMessage(`[{"role":"user","content":"hi"}]`),
 			}
+		case constant.EndpointTypeOpenAIResponseCompact:
+			// 返回 OpenAIResponsesCompactionRequest
+			return &dto.OpenAIResponsesCompactionRequest{
+				Model: model,
+				Input: testResponsesInput,
+			}
 		case constant.EndpointTypeAnthropic, constant.EndpointTypeGemini, constant.EndpointTypeOpenAI:
 			// 返回 GeneralOpenAIRequest
 			maxTokens := uint(16)
@@ -504,6 +554,14 @@ func buildTestRequest(model string, endpointType string, channel *model.Channel)
 		}
 	}
 
+	// Responses compaction models (must use /v1/responses/compact)
+	if strings.HasSuffix(model, ratio_setting.CompactModelSuffix) {
+		return &dto.OpenAIResponsesCompactionRequest{
+			Model: model,
+			Input: testResponsesInput,
+		}
+	}
+
 	// Responses-only models (e.g. codex series)
 	if strings.Contains(strings.ToLower(model), "codex") {
 		return &dto.OpenAIResponsesRequest{
diff --git a/controller/relay.go b/controller/relay.go
index 906a6969b..9197847e4 100644
--- a/controller/relay.go
+++ b/controller/relay.go
@@ -45,7 +45,7 @@ func relayHandler(c *gin.Context, info *relaycommon.RelayInfo) *types.NewAPIErro
 		err = relay.RerankHelper(c, info)
 	case relayconstant.RelayModeEmbeddings:
 		err = relay.EmbeddingHelper(c, info)
-	case relayconstant.RelayModeResponses:
+	case relayconstant.RelayModeResponses, relayconstant.RelayModeResponsesCompact:
 		err = relay.ResponsesHelper(c, info)
 	default:
 		err = relay.TextHelper(c, info)
diff --git a/docs/openapi/relay.json b/docs/openapi/relay.json
index 166bd8533..b6dfbd312 100644
--- a/docs/openapi/relay.json
+++ b/docs/openapi/relay.json
@@ -284,6 +284,46 @@
           }
         ]
       }
+    },
+	    "/v1/responses/compact": {
+	      "post": {
+	        "summary": "压缩对话 (OpenAI Responses API)",
+	        "deprecated": false,
+	        "description": "OpenAI Responses API，用于对长对话进行 compaction。",
+	        "operationId": "compactResponse",
+        "tags": [
+          "OpenAI格式(Responses)"
+        ],
+        "parameters": [],
+	        "requestBody": {
+	          "content": {
+	            "application/json": {
+	              "schema": {
+	                "$ref": "#/components/schemas/ResponsesCompactionRequest"
+	              }
+	            }
+	          },
+	          "required": true
+	        },
+        "responses": {
+          "200": {
+            "description": "成功压缩对话",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ResponsesCompactionResponse"
+                }
+              }
+            },
+            "headers": {}
+          }
+        },
+        "security": [
+          {
+            "BearerAuth": []
+          }
+        ]
+      }
     },
     "/v1/images/generations": {
       "post": {
@@ -3130,10 +3170,71 @@
           }
         }
       },
-      "ResponsesStreamResponse": {
-        "type": "object",
-        "properties": {
-          "type": {
+	      "ResponsesCompactionResponse": {
+	        "type": "object",
+	        "properties": {
+          "id": {
+            "type": "string"
+          },
+          "object": {
+            "type": "string",
+            "example": "response.compaction"
+          },
+          "created_at": {
+            "type": "integer"
+          },
+          "output": {
+            "type": "array",
+            "items": {
+              "type": "object",
+              "properties": {}
+            }
+          },
+          "usage": {
+            "$ref": "#/components/schemas/Usage"
+          },
+          "error": {
+            "type": "object",
+            "properties": {}
+          }
+	        }
+	      },
+	      "ResponsesCompactionRequest": {
+	        "type": "object",
+	        "required": [
+	          "model"
+	        ],
+	        "properties": {
+	          "model": {
+	            "type": "string"
+	          },
+	          "input": {
+	            "description": "输入内容，可以是字符串或消息数组",
+	            "oneOf": [
+	              {
+	                "type": "string"
+	              },
+	              {
+	                "type": "array",
+	                "items": {
+	                  "type": "object",
+	                  "properties": {}
+	                }
+	              }
+	            ]
+	          },
+	          "instructions": {
+	            "type": "string"
+	          },
+	          "previous_response_id": {
+	            "type": "string"
+	          }
+	        }
+	      },
+	      "ResponsesStreamResponse": {
+	        "type": "object",
+	        "properties": {
+	          "type": {
             "type": "string"
           },
           "response": {
@@ -7138,4 +7239,4 @@
       "BearerAuth": []
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/dto/openai_compaction.go b/dto/openai_compaction.go
new file mode 100644
index 000000000..f19df09ce
--- /dev/null
+++ b/dto/openai_compaction.go
@@ -0,0 +1,20 @@
+package dto
+
+import (
+	"encoding/json"
+
+	"github.com/QuantumNous/new-api/types"
+)
+
+type OpenAIResponsesCompactionResponse struct {
+	ID        string          `json:"id"`
+	Object    string          `json:"object"`
+	CreatedAt int             `json:"created_at"`
+	Output    json.RawMessage `json:"output"`
+	Usage     *Usage          `json:"usage"`
+	Error     any             `json:"error,omitempty"`
+}
+
+func (o *OpenAIResponsesCompactionResponse) GetOpenAIError() *types.OpenAIError {
+	return GetOpenAIError(o.Error)
+}
diff --git a/dto/openai_responses_compaction_request.go b/dto/openai_responses_compaction_request.go
new file mode 100644
index 000000000..7ea584ca3
--- /dev/null
+++ b/dto/openai_responses_compaction_request.go
@@ -0,0 +1,40 @@
+package dto
+
+import (
+	"encoding/json"
+	"strings"
+
+	"github.com/QuantumNous/new-api/types"
+
+	"github.com/gin-gonic/gin"
+)
+
+type OpenAIResponsesCompactionRequest struct {
+	Model              string          `json:"model"`
+	Input              json.RawMessage `json:"input,omitempty"`
+	Instructions       json.RawMessage `json:"instructions,omitempty"`
+	PreviousResponseID string          `json:"previous_response_id,omitempty"`
+}
+
+func (r *OpenAIResponsesCompactionRequest) GetTokenCountMeta() *types.TokenCountMeta {
+	var parts []string
+	if len(r.Instructions) > 0 {
+		parts = append(parts, string(r.Instructions))
+	}
+	if len(r.Input) > 0 {
+		parts = append(parts, string(r.Input))
+	}
+	return &types.TokenCountMeta{
+		CombineText: strings.Join(parts, "\n"),
+	}
+}
+
+func (r *OpenAIResponsesCompactionRequest) IsStream(c *gin.Context) bool {
+	return false
+}
+
+func (r *OpenAIResponsesCompactionRequest) SetModelName(modelName string) {
+	if modelName != "" {
+		r.Model = modelName
+	}
+}
diff --git a/middleware/distributor.go b/middleware/distributor.go
index 054763c9e..24dfa80aa 100644
--- a/middleware/distributor.go
+++ b/middleware/distributor.go
@@ -329,6 +329,10 @@ func getModelRequest(c *gin.Context) (*ModelRequest, bool, error) {
 		modelRequest.Group = req.Group
 		common.SetContextKey(c, constant.ContextKeyTokenGroup, modelRequest.Group)
 	}
+
+	if strings.HasPrefix(c.Request.URL.Path, "/v1/responses/compact") && modelRequest.Model != "" {
+		modelRequest.Model = ratio_setting.WithCompactModelSuffix(modelRequest.Model)
+	}
 	return &modelRequest, shouldSelectChannel, nil
 }
 
diff --git a/relay/channel/codex/adaptor.go b/relay/channel/codex/adaptor.go
index ab61dfac7..44ec98c8e 100644
--- a/relay/channel/codex/adaptor.go
+++ b/relay/channel/codex/adaptor.go
@@ -53,6 +53,8 @@ func (a *Adaptor) ConvertEmbeddingRequest(c *gin.Context, info *relaycommon.Rela
 }
 
 func (a *Adaptor) ConvertOpenAIResponsesRequest(c *gin.Context, info *relaycommon.RelayInfo, request dto.OpenAIResponsesRequest) (any, error) {
+	isCompact := info != nil && info.RelayMode == relayconstant.RelayModeResponsesCompact
+
 	if info != nil && info.ChannelSetting.SystemPrompt != "" {
 		systemPrompt := info.ChannelSetting.SystemPrompt
 
@@ -88,7 +90,9 @@ func (a *Adaptor) ConvertOpenAIResponsesRequest(c *gin.Context, info *relaycommo
 			}
 		}
 	}
-
+	if isCompact {
+		return request, nil
+	}
 	// codex: store must be false
 	request.Store = json.RawMessage("false")
 	// rm max_output_tokens
@@ -102,10 +106,14 @@ func (a *Adaptor) DoRequest(c *gin.Context, info *relaycommon.RelayInfo, request
 }
 
 func (a *Adaptor) DoResponse(c *gin.Context, resp *http.Response, info *relaycommon.RelayInfo) (usage any, err *types.NewAPIError) {
-	if info.RelayMode != relayconstant.RelayModeResponses {
+	if info.RelayMode != relayconstant.RelayModeResponses && info.RelayMode != relayconstant.RelayModeResponsesCompact {
 		return nil, types.NewError(errors.New("codex channel: endpoint not supported"), types.ErrorCodeInvalidRequest)
 	}
 
+	if info.RelayMode == relayconstant.RelayModeResponsesCompact {
+		return openai.OaiResponsesCompactionHandler(c, resp)
+	}
+
 	if info.IsStream {
 		return openai.OaiResponsesStreamHandler(c, info, resp)
 	}
@@ -121,10 +129,14 @@ func (a *Adaptor) GetChannelName() string {
 }
 
 func (a *Adaptor) GetRequestURL(info *relaycommon.RelayInfo) (string, error) {
-	if info.RelayMode != relayconstant.RelayModeResponses {
-		return "", errors.New("codex channel: only /v1/responses is supported")
+	if info.RelayMode != relayconstant.RelayModeResponses && info.RelayMode != relayconstant.RelayModeResponsesCompact {
+		return "", errors.New("codex channel: only /v1/responses and /v1/responses/compact are supported")
 	}
-	return relaycommon.GetFullRequestURL(info.ChannelBaseUrl, "/backend-api/codex/responses", info.ChannelType), nil
+	path := "/backend-api/codex/responses"
+	if info.RelayMode == relayconstant.RelayModeResponsesCompact {
+		path = "/backend-api/codex/responses/compact"
+	}
+	return relaycommon.GetFullRequestURL(info.ChannelBaseUrl, path, info.ChannelType), nil
 }
 
 func (a *Adaptor) SetupRequestHeader(c *gin.Context, req *http.Header, info *relaycommon.RelayInfo) error {
diff --git a/relay/channel/codex/constants.go b/relay/channel/codex/constants.go
index 461e033a4..8cdb2c38a 100644
--- a/relay/channel/codex/constants.go
+++ b/relay/channel/codex/constants.go
@@ -1,9 +1,25 @@
 package codex
 
-var ModelList = []string{
+import (
+	"github.com/QuantumNous/new-api/setting/ratio_setting"
+	"github.com/samber/lo"
+)
+
+var baseModelList = []string{
 	"gpt-5", "gpt-5-codex", "gpt-5-codex-mini",
 	"gpt-5.1", "gpt-5.1-codex", "gpt-5.1-codex-max", "gpt-5.1-codex-mini",
 	"gpt-5.2", "gpt-5.2-codex",
 }
 
+var ModelList = withCompactModelSuffix(baseModelList)
+
 const ChannelName = "codex"
+
+func withCompactModelSuffix(models []string) []string {
+	out := make([]string, 0, len(models)*2)
+	out = append(out, models...)
+	out = append(out, lo.Map(models, func(model string, _ int) string {
+		return ratio_setting.WithCompactModelSuffix(model)
+	})...)
+	return lo.Uniq(out)
+}
diff --git a/relay/channel/openai/adaptor.go b/relay/channel/openai/adaptor.go
index c031fd755..f76d67df4 100644
--- a/relay/channel/openai/adaptor.go
+++ b/relay/channel/openai/adaptor.go
@@ -620,6 +620,8 @@ func (a *Adaptor) DoResponse(c *gin.Context, resp *http.Response, info *relaycom
 		} else {
 			usage, err = OaiResponsesHandler(c, info, resp)
 		}
+	case relayconstant.RelayModeResponsesCompact:
+		usage, err = OaiResponsesCompactionHandler(c, resp)
 	default:
 		if info.IsStream {
 			usage, err = OaiStreamHandler(c, info, resp)
diff --git a/relay/channel/openai/relay_responses_compact.go b/relay/channel/openai/relay_responses_compact.go
new file mode 100644
index 000000000..390de8ed6
--- /dev/null
+++ b/relay/channel/openai/relay_responses_compact.go
@@ -0,0 +1,44 @@
+package openai
+
+import (
+	"io"
+	"net/http"
+
+	"github.com/QuantumNous/new-api/common"
+	"github.com/QuantumNous/new-api/dto"
+	"github.com/QuantumNous/new-api/service"
+	"github.com/QuantumNous/new-api/types"
+
+	"github.com/gin-gonic/gin"
+)
+
+func OaiResponsesCompactionHandler(c *gin.Context, resp *http.Response) (*dto.Usage, *types.NewAPIError) {
+	defer service.CloseResponseBodyGracefully(resp)
+
+	responseBody, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, types.NewOpenAIError(err, types.ErrorCodeReadResponseBodyFailed, http.StatusInternalServerError)
+	}
+
+	var compactResp dto.OpenAIResponsesCompactionResponse
+	if err := common.Unmarshal(responseBody, &compactResp); err != nil {
+		return nil, types.NewOpenAIError(err, types.ErrorCodeBadResponseBody, http.StatusInternalServerError)
+	}
+	if oaiError := compactResp.GetOpenAIError(); oaiError != nil && oaiError.Type != "" {
+		return nil, types.WithOpenAIError(*oaiError, resp.StatusCode)
+	}
+
+	service.IOCopyBytesGracefully(c, resp, responseBody)
+
+	usage := dto.Usage{}
+	if compactResp.Usage != nil {
+		usage.PromptTokens = compactResp.Usage.InputTokens
+		usage.CompletionTokens = compactResp.Usage.OutputTokens
+		usage.TotalTokens = compactResp.Usage.TotalTokens
+		if compactResp.Usage.InputTokensDetails != nil {
+			usage.PromptTokensDetails.CachedTokens = compactResp.Usage.InputTokensDetails.CachedTokens
+		}
+	}
+
+	return &usage, nil
+}
diff --git a/relay/common/relay_info.go b/relay/common/relay_info.go
index 5c24ce57a..f4365c126 100644
--- a/relay/common/relay_info.go
+++ b/relay/common/relay_info.go
@@ -481,6 +481,11 @@ func GenRelayInfo(c *gin.Context, relayFormat types.RelayFormat, request dto.Req
 			break
 		}
 		err = errors.New("request is not a OpenAIResponsesRequest")
+	case types.RelayFormatOpenAIResponsesCompaction:
+		if request, ok := request.(*dto.OpenAIResponsesCompactionRequest); ok {
+			return GenRelayInfoResponsesCompaction(c, request), nil
+		}
+		return nil, errors.New("request is not a OpenAIResponsesCompactionRequest")
 	case types.RelayFormatTask:
 		info = genBaseRelayInfo(c, nil)
 	case types.RelayFormatMjProxy:
@@ -531,6 +536,15 @@ func (info *RelayInfo) AppendRequestConversion(format types.RelayFormat) {
 	info.RequestConversionChain = append(info.RequestConversionChain, format)
 }
 
+func GenRelayInfoResponsesCompaction(c *gin.Context, request *dto.OpenAIResponsesCompactionRequest) *RelayInfo {
+	info := genBaseRelayInfo(c, request)
+	if info.RelayMode == relayconstant.RelayModeUnknown {
+		info.RelayMode = relayconstant.RelayModeResponsesCompact
+	}
+	info.RelayFormat = types.RelayFormatOpenAIResponsesCompaction
+	return info
+}
+
 //func (info *RelayInfo) SetPromptTokens(promptTokens int) {
 //	info.promptTokens = promptTokens
 //}
diff --git a/relay/constant/relay_mode.go b/relay/constant/relay_mode.go
index 85a1b9c5f..256715679 100644
--- a/relay/constant/relay_mode.go
+++ b/relay/constant/relay_mode.go
@@ -50,6 +50,8 @@ const (
 	RelayModeRealtime
 
 	RelayModeGemini
+
+	RelayModeResponsesCompact
 )
 
 func Path2RelayMode(path string) int {
@@ -70,6 +72,8 @@ func Path2RelayMode(path string) int {
 		relayMode = RelayModeImagesEdits
 	} else if strings.HasPrefix(path, "/v1/edits") {
 		relayMode = RelayModeEdits
+	} else if strings.HasPrefix(path, "/v1/responses/compact") {
+		relayMode = RelayModeResponsesCompact
 	} else if strings.HasPrefix(path, "/v1/responses") {
 		relayMode = RelayModeResponses
 	} else if strings.HasPrefix(path, "/v1/audio/speech") {
diff --git a/relay/helper/model_mapped.go b/relay/helper/model_mapped.go
index 821158fae..5d6efa094 100644
--- a/relay/helper/model_mapped.go
+++ b/relay/helper/model_mapped.go
@@ -4,13 +4,27 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"strings"
 
 	"github.com/QuantumNous/new-api/dto"
 	"github.com/QuantumNous/new-api/relay/common"
+	relayconstant "github.com/QuantumNous/new-api/relay/constant"
+	"github.com/QuantumNous/new-api/setting/ratio_setting"
 	"github.com/gin-gonic/gin"
 )
 
 func ModelMappedHelper(c *gin.Context, info *common.RelayInfo, request dto.Request) error {
+	if info.ChannelMeta == nil {
+		info.ChannelMeta = &common.ChannelMeta{}
+	}
+
+	isResponsesCompact := info.RelayMode == relayconstant.RelayModeResponsesCompact
+	originModelName := info.OriginModelName
+	mappingModelName := originModelName
+	if isResponsesCompact && strings.HasSuffix(originModelName, ratio_setting.CompactModelSuffix) {
+		mappingModelName = strings.TrimSuffix(originModelName, ratio_setting.CompactModelSuffix)
+	}
+
 	// map model name
 	modelMapping := c.GetString("model_mapping")
 	if modelMapping != "" && modelMapping != "{}" {
@@ -21,7 +35,7 @@ func ModelMappedHelper(c *gin.Context, info *common.RelayInfo, request dto.Reque
 		}
 
 		// 支持链式模型重定向，最终使用链尾的模型
-		currentModel := info.OriginModelName
+		currentModel := mappingModelName
 		visitedModels := map[string]bool{
 			currentModel: true,
 		}
@@ -51,6 +65,15 @@ func ModelMappedHelper(c *gin.Context, info *common.RelayInfo, request dto.Reque
 			info.UpstreamModelName = currentModel
 		}
 	}
+
+	if isResponsesCompact {
+		finalUpstreamModelName := mappingModelName
+		if info.IsModelMapped && info.UpstreamModelName != "" {
+			finalUpstreamModelName = info.UpstreamModelName
+		}
+		info.UpstreamModelName = finalUpstreamModelName
+		info.OriginModelName = ratio_setting.WithCompactModelSuffix(finalUpstreamModelName)
+	}
 	if request != nil {
 		request.SetModelName(info.UpstreamModelName)
 	}
diff --git a/relay/helper/valid_request.go b/relay/helper/valid_request.go
index 3bdfa6ff4..750f74993 100644
--- a/relay/helper/valid_request.go
+++ b/relay/helper/valid_request.go
@@ -34,6 +34,8 @@ func GetAndValidateRequest(c *gin.Context, format types.RelayFormat) (request dt
 		request, err = GetAndValidateClaudeRequest(c)
 	case types.RelayFormatOpenAIResponses:
 		request, err = GetAndValidateResponsesRequest(c)
+	case types.RelayFormatOpenAIResponsesCompaction:
+		request, err = GetAndValidateResponsesCompactionRequest(c)
 
 	case types.RelayFormatOpenAIImage:
 		request, err = GetAndValidOpenAIImageRequest(c, relayMode)
@@ -125,6 +127,17 @@ func GetAndValidateResponsesRequest(c *gin.Context) (*dto.OpenAIResponsesRequest
 	return request, nil
 }
 
+func GetAndValidateResponsesCompactionRequest(c *gin.Context) (*dto.OpenAIResponsesCompactionRequest, error) {
+	request := &dto.OpenAIResponsesCompactionRequest{}
+	if err := common.UnmarshalBodyReusable(c, request); err != nil {
+		return nil, err
+	}
+	if request.Model == "" {
+		return nil, errors.New("model is required")
+	}
+	return request, nil
+}
+
 func GetAndValidOpenAIImageRequest(c *gin.Context, relayMode int) (*dto.ImageRequest, error) {
 	imageRequest := &dto.ImageRequest{}
 
diff --git a/relay/responses_handler.go b/relay/responses_handler.go
index 769437a1d..8954bd5cc 100644
--- a/relay/responses_handler.go
+++ b/relay/responses_handler.go
@@ -8,8 +8,10 @@ import (
 	"strings"
 
 	"github.com/QuantumNous/new-api/common"
+	appconstant "github.com/QuantumNous/new-api/constant"
 	"github.com/QuantumNous/new-api/dto"
 	relaycommon "github.com/QuantumNous/new-api/relay/common"
+	relayconstant "github.com/QuantumNous/new-api/relay/constant"
 	"github.com/QuantumNous/new-api/relay/helper"
 	"github.com/QuantumNous/new-api/service"
 	"github.com/QuantumNous/new-api/setting/model_setting"
@@ -20,10 +22,37 @@ import (
 
 func ResponsesHelper(c *gin.Context, info *relaycommon.RelayInfo) (newAPIError *types.NewAPIError) {
 	info.InitChannelMeta(c)
+	if info.RelayMode == relayconstant.RelayModeResponsesCompact {
+		switch info.ApiType {
+		case appconstant.APITypeOpenAI, appconstant.APITypeCodex:
+		default:
+			return types.NewErrorWithStatusCode(
+				fmt.Errorf("unsupported endpoint %q for api type %d", "/v1/responses/compact", info.ApiType),
+				types.ErrorCodeInvalidRequest,
+				http.StatusBadRequest,
+				types.ErrOptionWithSkipRetry(),
+			)
+		}
+	}
 
-	responsesReq, ok := info.Request.(*dto.OpenAIResponsesRequest)
-	if !ok {
-		return types.NewErrorWithStatusCode(fmt.Errorf("invalid request type, expected dto.OpenAIResponsesRequest, got %T", info.Request), types.ErrorCodeInvalidRequest, http.StatusBadRequest, types.ErrOptionWithSkipRetry())
+	var responsesReq *dto.OpenAIResponsesRequest
+	switch req := info.Request.(type) {
+	case *dto.OpenAIResponsesRequest:
+		responsesReq = req
+	case *dto.OpenAIResponsesCompactionRequest:
+		responsesReq = &dto.OpenAIResponsesRequest{
+			Model:              req.Model,
+			Input:              req.Input,
+			Instructions:       req.Instructions,
+			PreviousResponseID: req.PreviousResponseID,
+		}
+	default:
+		return types.NewErrorWithStatusCode(
+			fmt.Errorf("invalid request type, expected dto.OpenAIResponsesRequest or dto.OpenAIResponsesCompactionRequest, got %T", info.Request),
+			types.ErrorCodeInvalidRequest,
+			http.StatusBadRequest,
+			types.ErrOptionWithSkipRetry(),
+		)
 	}
 
 	request, err := common.DeepCopy(responsesReq)
@@ -105,10 +134,28 @@ func ResponsesHelper(c *gin.Context, info *relaycommon.RelayInfo) (newAPIError *
 		return newAPIError
 	}
 
+	usageDto := usage.(*dto.Usage)
+	if info.RelayMode == relayconstant.RelayModeResponsesCompact {
+		originModelName := info.OriginModelName
+		originPriceData := info.PriceData
+
+		_, err := helper.ModelPriceHelper(c, info, info.GetEstimatePromptTokens(), &types.TokenCountMeta{})
+		if err != nil {
+			info.OriginModelName = originModelName
+			info.PriceData = originPriceData
+			return types.NewError(err, types.ErrorCodeModelPriceError, types.ErrOptionWithSkipRetry())
+		}
+		postConsumeQuota(c, info, usageDto)
+
+		info.OriginModelName = originModelName
+		info.PriceData = originPriceData
+		return nil
+	}
+
 	if strings.HasPrefix(info.OriginModelName, "gpt-4o-audio") {
-		service.PostAudioConsumeQuota(c, info, usage.(*dto.Usage), "")
+		service.PostAudioConsumeQuota(c, info, usageDto, "")
 	} else {
-		postConsumeQuota(c, info, usage.(*dto.Usage))
+		postConsumeQuota(c, info, usageDto)
 	}
 	return nil
 }
diff --git a/router/relay-router.go b/router/relay-router.go
index 267459e2c..3dc4f5c16 100644
--- a/router/relay-router.go
+++ b/router/relay-router.go
@@ -93,6 +93,9 @@ func SetRelayRouter(router *gin.Engine) {
 		httpRouter.POST("/responses", func(c *gin.Context) {
 			controller.Relay(c, types.RelayFormatOpenAIResponses)
 		})
+		httpRouter.POST("/responses/compact", func(c *gin.Context) {
+			controller.Relay(c, types.RelayFormatOpenAIResponsesCompaction)
+		})
 
 		// image related routes
 		httpRouter.POST("/edits", func(c *gin.Context) {
diff --git a/setting/ratio_setting/compact_suffix.go b/setting/ratio_setting/compact_suffix.go
new file mode 100644
index 000000000..2d2fe3c34
--- /dev/null
+++ b/setting/ratio_setting/compact_suffix.go
@@ -0,0 +1,13 @@
+package ratio_setting
+
+import "strings"
+
+const CompactModelSuffix = "-openai-compact"
+const CompactWildcardModelKey = "*" + CompactModelSuffix
+
+func WithCompactModelSuffix(modelName string) string {
+	if strings.HasSuffix(modelName, CompactModelSuffix) {
+		return modelName
+	}
+	return modelName + CompactModelSuffix
+}
diff --git a/setting/ratio_setting/model_ratio.go b/setting/ratio_setting/model_ratio.go
index 039d4a021..e55556fa1 100644
--- a/setting/ratio_setting/model_ratio.go
+++ b/setting/ratio_setting/model_ratio.go
@@ -411,6 +411,17 @@ func GetModelPrice(name string, printErr bool) (float64, bool) {
 
 	name = FormatMatchingModelName(name)
 
+	if strings.HasSuffix(name, CompactModelSuffix) {
+		price, ok := modelPriceMap[CompactWildcardModelKey]
+		if !ok {
+			if printErr {
+				common.SysError("model price not found: " + name)
+			}
+			return -1, false
+		}
+		return price, true
+	}
+
 	price, ok := modelPriceMap[name]
 	if !ok {
 		if printErr {
@@ -448,6 +459,12 @@ func GetModelRatio(name string) (float64, bool, string) {
 
 	ratio, ok := modelRatioMap[name]
 	if !ok {
+		if strings.HasSuffix(name, CompactModelSuffix) {
+			if wildcardRatio, ok := modelRatioMap[CompactWildcardModelKey]; ok {
+				return wildcardRatio, true, name
+			}
+			return 0, true, name
+		}
 		return 37.5, operation_setting.SelfUseModeEnabled, name
 	}
 	return ratio, true, name
diff --git a/types/relay_format.go b/types/relay_format.go
index 6d94a70bc..9b4c86f24 100644
--- a/types/relay_format.go
+++ b/types/relay_format.go
@@ -3,15 +3,16 @@ package types
 type RelayFormat string
 
 const (
-	RelayFormatOpenAI          RelayFormat = "openai"
-	RelayFormatClaude                      = "claude"
-	RelayFormatGemini                      = "gemini"
-	RelayFormatOpenAIResponses             = "openai_responses"
-	RelayFormatOpenAIAudio                 = "openai_audio"
-	RelayFormatOpenAIImage                 = "openai_image"
-	RelayFormatOpenAIRealtime              = "openai_realtime"
-	RelayFormatRerank                      = "rerank"
-	RelayFormatEmbedding                   = "embedding"
+	RelayFormatOpenAI                    RelayFormat = "openai"
+	RelayFormatClaude                                = "claude"
+	RelayFormatGemini                                = "gemini"
+	RelayFormatOpenAIResponses                       = "openai_responses"
+	RelayFormatOpenAIResponsesCompaction             = "openai_responses_compaction"
+	RelayFormatOpenAIAudio                           = "openai_audio"
+	RelayFormatOpenAIImage                           = "openai_image"
+	RelayFormatOpenAIRealtime                        = "openai_realtime"
+	RelayFormatRerank                                = "rerank"
+	RelayFormatEmbedding                             = "embedding"
 
 	RelayFormatTask    = "task"
 	RelayFormatMjProxy = "mj_proxy"
diff --git a/web/src/components/table/channels/modals/ModelTestModal.jsx b/web/src/components/table/channels/modals/ModelTestModal.jsx
index 9556d56b7..47aa66cbe 100644
--- a/web/src/components/table/channels/modals/ModelTestModal.jsx
+++ b/web/src/components/table/channels/modals/ModelTestModal.jsx
@@ -66,6 +66,10 @@ const ModelTestModal = ({
     { value: '', label: t('自动检测') },
     { value: 'openai', label: 'OpenAI (/v1/chat/completions)' },
     { value: 'openai-response', label: 'OpenAI Response (/v1/responses)' },
+    {
+      value: 'openai-response-compact',
+      label: 'OpenAI Response Compaction (/v1/responses/compact)',
+    },
     { value: 'anthropic', label: 'Anthropic (/v1/messages)' },
     {
       value: 'gemini',
diff --git a/web/src/components/table/models/modals/EditModelModal.jsx b/web/src/components/table/models/modals/EditModelModal.jsx
index 727a8e4e8..3d905b1af 100644
--- a/web/src/components/table/models/modals/EditModelModal.jsx
+++ b/web/src/components/table/models/modals/EditModelModal.jsx
@@ -45,6 +45,7 @@ const { Text, Title } = Typography;
 const ENDPOINT_TEMPLATE = {
   openai: { path: '/v1/chat/completions', method: 'POST' },
   'openai-response': { path: '/v1/responses', method: 'POST' },
+  'openai-response-compact': { path: '/v1/responses/compact', method: 'POST' },
   anthropic: { path: '/v1/messages', method: 'POST' },
   gemini: { path: '/v1beta/models/{model}:generateContent', method: 'POST' },
   'jina-rerank': { path: '/v1/rerank', method: 'POST' },
diff --git a/web/src/components/table/models/modals/EditPrefillGroupModal.jsx b/web/src/components/table/models/modals/EditPrefillGroupModal.jsx
index 817ae40dd..bb7af45cd 100644
--- a/web/src/components/table/models/modals/EditPrefillGroupModal.jsx
+++ b/web/src/components/table/models/modals/EditPrefillGroupModal.jsx
@@ -43,6 +43,7 @@ const { Text, Title } = Typography;
 const ENDPOINT_TEMPLATE = {
   openai: { path: '/v1/chat/completions', method: 'POST' },
   'openai-response': { path: '/v1/responses', method: 'POST' },
+  'openai-response-compact': { path: '/v1/responses/compact', method: 'POST' },
   anthropic: { path: '/v1/messages', method: 'POST' },
   gemini: { path: '/v1beta/models/{model}:generateContent', method: 'POST' },
   'jina-rerank': { path: '/v1/rerank', method: 'POST' },
diff --git a/web/src/constants/common.constant.js b/web/src/constants/common.constant.js
index a142a0eb5..8737f7299 100644
--- a/web/src/constants/common.constant.js
+++ b/web/src/constants/common.constant.js
@@ -26,6 +26,7 @@ export const TABLE_COMPACT_MODES_KEY = 'table_compact_modes';
 export const API_ENDPOINTS = [
   '/v1/chat/completions',
   '/v1/responses',
+  '/v1/responses/compact',
   '/v1/messages',
   '/v1beta/models',
   '/v1/embeddings',