diff --git a/Playground/OKPlayground/Views/ChatView.swift b/Playground/OKPlayground/Views/ChatView.swift
index 384ff9a..e6a91f1 100644
--- a/Playground/OKPlayground/Views/ChatView.swift
+++ b/Playground/OKPlayground/Views/ChatView.swift
@@ -13,6 +13,7 @@ struct ChatView: View {
     @Environment(ViewModel.self) private var viewModel
     
     @State private var model: String? = nil
+    @State private var temperature: Double = 0.5
     @State private var prompt = ""
     @State private var response = ""
     @State private var cancellables = Set<AnyCancellable>()
@@ -20,14 +21,26 @@ struct ChatView: View {
     var body: some View {
         NavigationStack {
             Form {
-                Section {
-                    Picker("Model", selection: $model) {
+                Section("Model") {
+                    Picker("Selected Model", selection: $model) {
                         ForEach(viewModel.models, id: \.self) { model in
                             Text(model)
                                 .tag(model as String?)
                         }
                     }
-                    
+                }
+                
+                Section("Temperature") {
+                    Slider(value: $temperature, in: 0...1, step: 0.1) {
+                        Text("Temperature")
+                    } minimumValueLabel: {
+                        Text("0")
+                    } maximumValueLabel: {
+                        Text("1")
+                    }
+                }
+                
+                Section("Prompt") {
                     TextField("Prompt", text: $prompt)
                 }
                 
@@ -53,7 +66,8 @@ struct ChatView: View {
         
         guard let model = model else { return }
         let messages = [OKChatRequestData.Message(role: .user, content: prompt)]
-        let data = OKChatRequestData(model: model, messages: messages)
+        var data = OKChatRequestData(model: model, messages: messages)
+        data.options = OKCompletionOptions(temperature: temperature)
         
         Task {
             for try await chunk in viewModel.ollamaKit.chat(data: data) {
@@ -67,7 +81,8 @@ struct ChatView: View {
         
         guard let model = model else { return }
         let messages = [OKChatRequestData.Message(role: .user, content: prompt)]
-        let data = OKChatRequestData(model: model, messages: messages)
+        var data = OKChatRequestData(model: model, messages: messages)
+        data.options = OKCompletionOptions(temperature: temperature)
         
         viewModel.ollamaKit.chat(data: data)
             .sink { completion in
diff --git a/Playground/OKPlayground/Views/GenerateView.swift b/Playground/OKPlayground/Views/GenerateView.swift
index c1ec1f5..3923d8f 100644
--- a/Playground/OKPlayground/Views/GenerateView.swift
+++ b/Playground/OKPlayground/Views/GenerateView.swift
@@ -13,6 +13,7 @@ struct GenerateView: View {
     @Environment(ViewModel.self) private var viewModel
     
     @State private var model: String? = nil
+    @State private var temperature: Double = 0.5
     @State private var prompt = ""
     @State private var response = ""
     @State private var cancellables = Set<AnyCancellable>()
@@ -20,14 +21,26 @@ struct GenerateView: View {
     var body: some View {
         NavigationStack {
             Form {
-                Section {
-                    Picker("Model", selection: $model) {
+                Section("Model") {
+                    Picker("Selected Model", selection: $model) {
                         ForEach(viewModel.models, id: \.self) { model in
                             Text(model)
                                 .tag(model as String?)
                         }
                     }
-                    
+                }
+                
+                Section("Temperature") {
+                    Slider(value: $temperature, in: 0...1, step: 0.1) {
+                        Text("Temperature")
+                    } minimumValueLabel: {
+                        Text("0")
+                    } maximumValueLabel: {
+                        Text("1")
+                    }
+                }
+                
+                Section("Prompt") {
                     TextField("Prompt", text: $prompt)
                 }
                 
@@ -52,7 +65,8 @@ struct GenerateView: View {
         self.response = ""
         
         guard let model = model else { return }
-        let data = OKGenerateRequestData(model: model, prompt: prompt)
+        var data = OKGenerateRequestData(model: model, prompt: prompt)
+        data.options = OKCompletionOptions(temperature: temperature)
         
         Task {
             for try await chunk in viewModel.ollamaKit.generate(data: data) {
@@ -65,7 +79,8 @@ struct GenerateView: View {
         self.response = ""
         
         guard let model = model else { return }
-        let data = OKGenerateRequestData(model: model, prompt: prompt)
+        var data = OKGenerateRequestData(model: model, prompt: prompt)
+        data.options = OKCompletionOptions(temperature: temperature)
         
         viewModel.ollamaKit.generate(data: data)
             .sink { completion in
diff --git a/Sources/OllamaKit/RequestData/Completion/OKCompletionOptions.swift b/Sources/OllamaKit/RequestData/Completion/OKCompletionOptions.swift
index d0649c4..260bab3 100644
--- a/Sources/OllamaKit/RequestData/Completion/OKCompletionOptions.swift
+++ b/Sources/OllamaKit/RequestData/Completion/OKCompletionOptions.swift
@@ -82,4 +82,21 @@ public struct OKCompletionOptions: Encodable {
     /// `minP` ensures that tokens below a certain probability threshold are excluded,
     /// focusing the model's output on more probable sequences. Default is 0.0, meaning no filtering.
     public var minP: Double?
+    
+    public init(mirostat: Int? = nil, mirostatEta: Double? = nil, mirostatTau: Double? = nil, numCtx: Int? = nil, repeatLastN: Int? = nil, repeatPenalty: Double? = nil, temperature: Double? = nil, seed: Int? = nil, stop: String? = nil, tfsZ: Double? = nil, numPredict: Int? = nil, topK: Int? = nil, topP: Double? = nil, minP: Double? = nil) {
+        self.mirostat = mirostat
+        self.mirostatEta = mirostatEta
+        self.mirostatTau = mirostatTau
+        self.numCtx = numCtx
+        self.repeatLastN = repeatLastN
+        self.repeatPenalty = repeatPenalty
+        self.temperature = temperature
+        self.seed = seed
+        self.stop = stop
+        self.tfsZ = tfsZ
+        self.numPredict = numPredict
+        self.topK = topK
+        self.topP = topP
+        self.minP = minP
+    }
 }
diff --git a/Sources/OllamaKit/RequestData/OKChatRequestData.swift b/Sources/OllamaKit/RequestData/OKChatRequestData.swift
index f7c32b2..75e683e 100644
--- a/Sources/OllamaKit/RequestData/OKChatRequestData.swift
+++ b/Sources/OllamaKit/RequestData/OKChatRequestData.swift
@@ -8,7 +8,7 @@
 import Foundation
 
 /// A structure that encapsulates data for chat requests to the Ollama API.
-public struct OKChatRequestData: Encodable {
+public struct OKChatRequestData {
     private let stream: Bool
     
     /// A string representing the model identifier to be used for the chat session.
@@ -60,3 +60,21 @@ public struct OKChatRequestData: Encodable {
         }
     }
 }
+
+extension OKChatRequestData: Encodable {
+    public func encode(to encoder: Encoder) throws {
+        var container = encoder.container(keyedBy: CodingKeys.self)
+        try container.encode(stream, forKey: .stream)
+        try container.encode(model, forKey: .model)
+        try container.encode(messages, forKey: .messages)
+        try container.encodeIfPresent(tools, forKey: .tools)
+        
+        if let options {
+            try options.encode(to: encoder)
+        }
+    }
+    
+    private enum CodingKeys: String, CodingKey {
+        case stream, model, messages, tools
+    }
+}
diff --git a/Sources/OllamaKit/RequestData/OKGenerateRequestData.swift b/Sources/OllamaKit/RequestData/OKGenerateRequestData.swift
index 029dd37..d3a2100 100644
--- a/Sources/OllamaKit/RequestData/OKGenerateRequestData.swift
+++ b/Sources/OllamaKit/RequestData/OKGenerateRequestData.swift
@@ -8,7 +8,7 @@
 import Foundation
 
 /// A structure that encapsulates the data required for generating responses using the Ollama API.
-public struct OKGenerateRequestData: Encodable {
+public struct OKGenerateRequestData {
     private let stream: Bool
     
     /// A string representing the identifier of the model.
@@ -36,3 +36,23 @@ public struct OKGenerateRequestData: Encodable {
         self.images = images
     }
 }
+
+extension OKGenerateRequestData: Encodable {
+    public func encode(to encoder: Encoder) throws {
+        var container = encoder.container(keyedBy: CodingKeys.self)
+        try container.encode(stream, forKey: .stream)
+        try container.encode(model, forKey: .model)
+        try container.encode(prompt, forKey: .prompt)
+        try container.encodeIfPresent(images, forKey: .images)
+        try container.encodeIfPresent(system, forKey: .system)
+        try container.encodeIfPresent(context, forKey: .context)
+        
+        if let options {
+            try options.encode(to: encoder)
+        }
+    }
+    
+    private enum CodingKeys: String, CodingKey {
+        case stream, model, prompt, images, system, context
+    }
+}