diff --git a/Sources/OpenAI/OpenAI.swift b/Sources/OpenAI/OpenAI.swift
index 4712fdda..8a2133eb 100644
--- a/Sources/OpenAI/OpenAI.swift
+++ b/Sources/OpenAI/OpenAI.swift
@@ -429,6 +429,10 @@ extension APIPath {
             .init(stringValue: "responses/\(responseId)/input_items")
         }
         
+        static func cancelModelResponse(responseId: String) -> Responses {
+            .init(stringValue: "responses/\(responseId)/cancel")
+        }
+        
         let stringValue: String
     }
 
diff --git a/Sources/OpenAI/Public/Models/Responses API/CancelModelResponseQuery.swift b/Sources/OpenAI/Public/Models/Responses API/CancelModelResponseQuery.swift
new file mode 100644
index 00000000..35413b7d
--- /dev/null
+++ b/Sources/OpenAI/Public/Models/Responses API/CancelModelResponseQuery.swift	
@@ -0,0 +1,22 @@
+//
+//  CancelModelResponseQuery.swift
+//  OpenAI
+//
+//  Created by Tqtifnypmb on 2026/8/8.
+//
+
+import Foundation
+
+/// Cancels a model response with the given ID. Only responses created with the background parameter set to true can be cancelled.
+public struct CancelModelResponseQuery: Codable, Equatable, Sendable {
+    /// The ID of the response to cancel.
+    public let responseId: String
+    
+    public init(responseId: String) {
+        self.responseId = responseId
+    }
+    
+    private enum CodingKeys: String, CodingKey {
+        case responseId = "response_id"
+    }
+}
diff --git a/Sources/OpenAI/Public/Models/Responses API/CreateModelResponseQuery.swift b/Sources/OpenAI/Public/Models/Responses API/CreateModelResponseQuery.swift
index aad64dc9..596788f4 100644
--- a/Sources/OpenAI/Public/Models/Responses API/CreateModelResponseQuery.swift	
+++ b/Sources/OpenAI/Public/Models/Responses API/CreateModelResponseQuery.swift	
@@ -40,6 +40,9 @@ public struct CreateModelResponseQuery: Codable, Equatable, Sendable {
     /// Whether to run the model response in the background. [Learn more](https://platform.openai.com/docs/guides/background).
     public let background: Bool?
     
+    /// Context management configuration for this request.
+    public let contextManagement: [Schemas.ContextManagementParam]?
+    
     /// Inserts a system (or developer) message as the first item in the model's context.
     ///
     /// When using along with `previousResponseId`, the instructions from a previous response will not be carried over to the next response.
@@ -137,6 +140,7 @@ public struct CreateModelResponseQuery: Codable, Equatable, Sendable {
         model: String? = nil,
         include: [Schemas.IncludeEnum]? = nil,
         background: Bool? = nil,
+        contextManagement: [Schemas.ContextManagementParam]? = nil,
         instructions: String? = nil,
         maxOutputTokens: Int? = nil,
         metadata: Schemas.Metadata? = nil,
@@ -160,6 +164,7 @@ public struct CreateModelResponseQuery: Codable, Equatable, Sendable {
         self.model = model
         self.include = include
         self.background = background
+        self.contextManagement = contextManagement
         self.instructions = instructions
         self.maxOutputTokens = maxOutputTokens
         self.metadata = metadata
@@ -185,6 +190,7 @@ public struct CreateModelResponseQuery: Codable, Equatable, Sendable {
         case model
         case include
         case background
+        case contextManagement = "context_management"
         case instructions
         case maxOutputTokens = "max_output_tokens"
         case metadata
diff --git a/Sources/OpenAI/Public/Models/Responses API/GetModelResponseQuery.swift b/Sources/OpenAI/Public/Models/Responses API/GetModelResponseQuery.swift
index 57cffbf0..4b28105d 100644
--- a/Sources/OpenAI/Public/Models/Responses API/GetModelResponseQuery.swift	
+++ b/Sources/OpenAI/Public/Models/Responses API/GetModelResponseQuery.swift	
@@ -17,6 +17,11 @@ public struct GetModelResponseQuery: Codable, Equatable, Sendable {
     /// * `computer_call_output.output.image_url`: Include image urls from the computer call output.
     public let include: [Components.Schemas.IncludeEnum]?
     
+    public init(responseId: String, include: [Components.Schemas.IncludeEnum]?) {
+        self.responseId = responseId
+        self.include = include
+    }
+    
     private enum CodingKeys: String, CodingKey {
         case responseId = "response_id"
         case include
diff --git a/Sources/OpenAI/Public/Protocols/ResponsesEndpointAsync.swift b/Sources/OpenAI/Public/Protocols/ResponsesEndpointAsync.swift
index 295949d1..c7abcb25 100644
--- a/Sources/OpenAI/Public/Protocols/ResponsesEndpointAsync.swift
+++ b/Sources/OpenAI/Public/Protocols/ResponsesEndpointAsync.swift
@@ -10,4 +10,6 @@ import Foundation
 public protocol ResponsesEndpointAsync: Sendable {
     func createResponse(query: CreateModelResponseQuery) async throws -> ResponseObject
     func createResponseStreaming(query: CreateModelResponseQuery) -> AsyncThrowingStream<ResponseStreamEvent, Error>
+    func retrieveResponse(query: GetModelResponseQuery) async throws -> ResponseObject
+    func cancelResponse(query: CancelModelResponseQuery) async throws -> ResponseObject
 }
diff --git a/Sources/OpenAI/Public/Protocols/ResponsesEndpointCombine.swift b/Sources/OpenAI/Public/Protocols/ResponsesEndpointCombine.swift
index 9eeb00c7..b43d7fd3 100644
--- a/Sources/OpenAI/Public/Protocols/ResponsesEndpointCombine.swift
+++ b/Sources/OpenAI/Public/Protocols/ResponsesEndpointCombine.swift
@@ -12,5 +12,7 @@ import Combine
 public protocol ResponsesEndpointCombine: Sendable {
     func createResponse(query: CreateModelResponseQuery) -> AnyPublisher<ResponseObject, Error>
     func createResponseStreaming(query: CreateModelResponseQuery) -> AnyPublisher<Result<ResponseStreamEvent, Error>, Error>
+    func retrieveResponse(query: GetModelResponseQuery) -> AnyPublisher<ResponseObject, Error>
+    func cancelResponse(query: CancelModelResponseQuery) -> AnyPublisher<ResponseObject, Error>
 }
 #endif
diff --git a/Sources/OpenAI/Public/Protocols/ResponsesEndpointProtocol.swift b/Sources/OpenAI/Public/Protocols/ResponsesEndpointProtocol.swift
index 330cbb40..a6ffc098 100644
--- a/Sources/OpenAI/Public/Protocols/ResponsesEndpointProtocol.swift
+++ b/Sources/OpenAI/Public/Protocols/ResponsesEndpointProtocol.swift
@@ -18,4 +18,15 @@ public protocol ResponsesEndpointProtocol: ResponsesEndpointModern {
         onResult: @escaping @Sendable (Result<ResponseStreamEvent, Error>) -> Void,
         completion: (@Sendable (Error?) -> Void)?
     ) -> CancellableRequest
+    
+    func retrieveResponse(
+        query: GetModelResponseQuery,
+        completion: @escaping @Sendable (Result<ResponseObject, Error>) -> Void
+    ) -> CancellableRequest
+    
+    func cancelResponse(
+        query: CancelModelResponseQuery,
+        completion: @escaping @Sendable (Result<ResponseObject, Error>) -> Void
+    ) -> CancellableRequest
+
 }
diff --git a/Sources/OpenAI/ResponsesEndpoint+Async.swift b/Sources/OpenAI/ResponsesEndpoint+Async.swift
index bc025984..4ec61d3d 100644
--- a/Sources/OpenAI/ResponsesEndpoint+Async.swift
+++ b/Sources/OpenAI/ResponsesEndpoint+Async.swift
@@ -32,4 +32,12 @@ extension ResponsesEndpoint: ResponsesEndpointAsync {
             }
         }
     }
+    
+    public func retrieveResponse(query: GetModelResponseQuery) async throws -> ResponseObject {
+        try await asyncClient.performRequest(request: makeRetrieveResponseRequest(query: query))
+    }
+    
+    public func cancelResponse(query: CancelModelResponseQuery) async throws -> ResponseObject {
+        try await asyncClient.performRequest(request: makeCancelResponseRequest(query: query))
+    }
 }
diff --git a/Sources/OpenAI/ResponsesEndpoint+Combine.swift b/Sources/OpenAI/ResponsesEndpoint+Combine.swift
index fd1f0cdd..ac307e14 100644
--- a/Sources/OpenAI/ResponsesEndpoint+Combine.swift
+++ b/Sources/OpenAI/ResponsesEndpoint+Combine.swift
@@ -37,5 +37,13 @@ extension ResponsesEndpoint: ResponsesEndpointCombine {
             })
             .eraseToAnyPublisher()
     }
+    
+    public func retrieveResponse(query: GetModelResponseQuery) -> AnyPublisher<ResponseObject, any Error> {
+        combineClient.performRequest(request: makeRetrieveResponseRequest(query: query))
+    }
+    
+    public func cancelResponse(query: CancelModelResponseQuery) -> AnyPublisher<ResponseObject, any Error> {
+        combineClient.performRequest(request: makeCancelResponseRequest(query: query))
+    }
 }
 #endif
diff --git a/Sources/OpenAI/ResponsesEndpoint.swift b/Sources/OpenAI/ResponsesEndpoint.swift
index 6628f45a..90ff1356 100644
--- a/Sources/OpenAI/ResponsesEndpoint.swift
+++ b/Sources/OpenAI/ResponsesEndpoint.swift
@@ -69,3 +69,33 @@ public final class ResponsesEndpoint: ResponsesEndpointProtocol, Sendable {
             .buildURL()
     }
 }
+
+// MARK: - Retrieve Response
+
+extension ResponsesEndpoint {
+    
+    public func retrieveResponse(query: GetModelResponseQuery, completion: @escaping @Sendable (Result<ResponseObject, any Error>) -> Void) -> any CancellableRequest {
+        client.performRequest(request: makeRetrieveResponseRequest(query: query),
+                              completion: completion)
+    }
+    
+    func makeRetrieveResponseRequest(query: GetModelResponseQuery) -> JSONRequest<ResponseObject> {
+        let path = String.Responses.getModelResponse(responseId: query.responseId).stringValue
+        return .init(url: buildURL(path: path), method: "GET")
+    }
+}
+
+// MARK: - Cancel Response
+
+extension ResponsesEndpoint {
+    
+    public func cancelResponse(query: CancelModelResponseQuery, completion: @escaping (Result<ResponseObject, any Error>) -> Void) -> any CancellableRequest {
+        client.performRequest(request: makeCancelResponseRequest(query: query),
+                              completion: completion)
+    }
+    
+    func makeCancelResponseRequest(query: CancelModelResponseQuery) -> JSONRequest<ResponseObject> {
+        let path = String.Responses.cancelModelResponse(responseId: query.responseId).stringValue
+        return .init(body: query, url: buildURL(path: path))
+    }
+}