From dfa4da5b2ef23552b4e8d6aab8fdda006d8ab908 Mon Sep 17 00:00:00 2001
From: mic <m@micz.it>
Date: Sat, 27 Dec 2025 22:40:51 +0100
Subject: [PATCH] temperature added to Open AI API. see #571

---
 _locales/en/messages.json       |  8 ++++++++
 api_webchat/controller.js       |  6 ++++++
 js/api/openai_responses.js      |  4 ++++
 options/mzta-options-default.js |  1 +
 pages/_lib/connection-ui.js     | 13 +++++++++++++
 5 files changed, 32 insertions(+)

diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index 4146fce8..eb6ab97a 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -1577,6 +1577,14 @@
     "message": "If checked, your chats will be stored by OpenAI.",
     "description": ""
   },
+  "prefs_chatgpt_api_temperature": {
+    "message": "Temperature",
+    "description": ""
+  },
+  "prefs_chatgpt_api_temperature_Info": {
+    "message": "What sampling temperature to use, between 0 and 2. Higher values like 0.8 will make the output more random, while lower values like 0.2 will make it more focused and deterministic.",
+    "description": ""
+  },
   "prefs_ollama_think": {
     "message": "Enable thinking",
     "description": ""
diff --git a/api_webchat/controller.js b/api_webchat/controller.js
index e1ec8cb8..af6230bc 100644
--- a/api_webchat/controller.js
+++ b/api_webchat/controller.js
@@ -81,6 +81,7 @@ switch (llm) {
             chatgpt_model: prefs_default.chatgpt_model,
             chatgpt_developer_messages: prefs_default.chatgpt_developer_messages,
             chatgpt_api_store: prefs_default.chatgpt_api_store,
+            chatgpt_api_temperature: prefs_default.chatgpt_api_temperature,
             do_debug: prefs_default.do_debug,
         });
         let i18nStrings = {};
@@ -94,6 +95,7 @@ switch (llm) {
             chatgpt_model: prefs_api.chatgpt_model,
             chatgpt_developer_messages: prefs_api.chatgpt_developer_messages,
             chatgpt_api_store: prefs_api.chatgpt_api_store,
+            chatgpt_api_temperature: prefs_api.chatgpt_api_temperature,
             do_debug: prefs_api.do_debug,
             i18nStrings: i18nStrings,
         });
@@ -103,6 +105,9 @@ switch (llm) {
         if(prefs_api.chatgpt_developer_messages && prefs_api.chatgpt_developer_messages.length > 0) {
             additional_text_elements.push({label: browser.i18n.getMessage("ChatGPT_Developer_Messages"), value: prefs_api.chatgpt_developer_messages});
         }
+        if(prefs_api.chatgpt_api_temperature && prefs_api.chatgpt_api_temperature.length > 0){
+            additional_text_elements.push({label: browser.i18n.getMessage("prefs_chatgpt_api_temperature"), value: prefs_api.chatgpt_api_temperature});
+        }
         messagesArea.appendUserMessage(getAPIsInitMessageString({
             api_string: "ChatGPT API",
             model_string: prefs_api.chatgpt_model,
@@ -145,6 +150,7 @@ switch (llm) {
             google_gemini_model: prefs_api.google_gemini_model,
             google_gemini_system_instruction: prefs_api.google_gemini_system_instruction,
             google_gemini_thinking_budget: prefs_api.google_gemini_thinking_budget,
+            google_gemini_temperature: prefs_api.google_gemini_temperature,
             do_debug: prefs_api.do_debug,
             i18nStrings: i18nStrings,
         });
diff --git a/js/api/openai_responses.js b/js/api/openai_responses.js
index 30202a79..1889980c 100644
--- a/js/api/openai_responses.js
+++ b/js/api/openai_responses.js
@@ -24,6 +24,7 @@ export class OpenAI {
   apiKey = '';
   model = '';
   developer_messages = '';
+  temperature = '';
   stream = false;
   store = false;
 
@@ -31,12 +32,14 @@ export class OpenAI {
     apiKey = '',
     model = '',
     developer_messages = '',
+    temperature = '',
     stream = false,
     store = false
   } = {}) {
     this.apiKey = apiKey;
     this.model = model;
     this.developer_messages = developer_messages;
+    this.temperature = temperature;
     this.stream = stream;
     this.store = store;
   }
@@ -90,6 +93,7 @@ export class OpenAI {
               input: input,
               stream: this.stream,
               store: this.store,
+              ...(this.temperature != '' ? { 'temperature': this.temperature } : {}),
               ...(maxTokens > 0 ? { 'max_output_tokens': parseInt(maxTokens) } : {}),
               ...(previous_response_id && this.store ? { 'previous_response_id': previous_response_id } : {})
           }
diff --git a/options/mzta-options-default.js b/options/mzta-options-default.js
index a2dddb95..c0b771f2 100644
--- a/options/mzta-options-default.js
+++ b/options/mzta-options-default.js
@@ -33,6 +33,7 @@ export const prefs_default = {
     chatgpt_api_store: false,
     chatgpt_model: '',
     chatgpt_developer_messages: '',
+    chatgpt_api_temperature: '',
     ollama_host: '',
     ollama_model: '',
     ollama_num_ctx: 0,
diff --git a/pages/_lib/connection-ui.js b/pages/_lib/connection-ui.js
index de13219d..25367f5b 100644
--- a/pages/_lib/connection-ui.js
+++ b/pages/_lib/connection-ui.js
@@ -156,6 +156,19 @@ export async function injectConnectionUI({
       </label>
     </td>
   </tr>
+  <tr class="conntype_chatgpt_api${tr_class ? ` ${tr_class}` : ''}">
+    <td>
+      <label>
+        <span class="opt_title">__MSG_prefs_chatgpt_api_temperature__</span>
+      </label>
+    </td>
+    <td>
+      <label>
+        <input type="text" id="chatgpt_api_temperature" name="chatgpt_api_temperature" class="option-input" />
+        <br>__MSG_prefs_chatgpt_api_temperature_Info__
+      </label>
+    </td>
+  </tr>
   <tr class="conntype_chatgpt_api${tr_class ? ` ${tr_class}` : ''}">
     <td>
       <label>