diff --git a/README.de.md b/README.de.md
index 8532a3a3..4215c942 100644
--- a/README.de.md
+++ b/README.de.md
@@ -62,7 +62,7 @@
 - **Sitzungsverwaltung** – Gespräche fortsetzen, mehrere Sitzungen verwalten und Verlauf nachverfolgen
 - **Plugin-System** – CloudCLI mit eigenen Plugins erweitern – neue Tabs, Backend-Dienste und Integrationen hinzufügen. [Eigenes Plugin erstellen →](https://github.com/cloudcli-ai/cloudcli-plugin-starter)
 - **TaskMaster AI Integration** *(Optional)* – Erweitertes Projektmanagement mit KI-gestützter Aufgabenplanung, PRD-Parsing und Workflow-Automatisierung
-- **Modell-Kompatibilität** – Funktioniert mit Claude, GPT und Gemini (vollständige Liste unterstützter Modelle in [`public/modelConstants.js`](public/modelConstants.js))
+- **Modell-Kompatibilität** – Funktioniert mit Claude, GPT und Gemini (vollständige Liste unterstützter Modelle zur Laufzeit über `GET /api/providers/:provider/models`)
 
 
 ## Schnellstart
diff --git a/README.ko.md b/README.ko.md
index b6f6e7e7..422bfe67 100644
--- a/README.ko.md
+++ b/README.ko.md
@@ -60,7 +60,7 @@
 - **세션 관리** - 대화를 재개하고, 여러 세션을 관리하며 기록을 추적
 - **플러그인 시스템** - 커스텀 탭, 백엔드 서비스, 통합을 추가하여 CloudCLI 확장. [직접 빌드 →](https://github.com/cloudcli-ai/cloudcli-plugin-starter)
 - **TaskMaster AI 통합** *(선택사항)* - AI 중심의 작업 계획, PRD 파싱, 워크플로 자동화를 통한 고급 프로젝트 관리
-- **모델 호환성** - Claude, GPT, Gemini 모델 계열에서 작동 (`public/modelConstants.js`에서 전체 지원 모델 확인)
+- **모델 호환성** - Claude, GPT, Gemini 모델 계열에서 작동 (`GET /api/providers/:provider/models` API에서 전체 지원 모델 확인)
 
 ## 빠른 시작
 
diff --git a/README.md b/README.md
index 281e4327..abbfe3ef 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,7 @@
 - **Session Management** - Resume conversations, manage multiple sessions, and track history
 - **Plugin System** - Extend CloudCLI with custom plugins — add new tabs, backend services, and integrations. [Build your own →](https://github.com/cloudcli-ai/cloudcli-plugin-starter)
 - **TaskMaster AI Integration** *(Optional)* - Advanced project management with AI-powered task planning, PRD parsing, and workflow automation
-- **Model Compatibility** - Works with Claude, GPT, and Gemini model families (see [`public/modelConstants.js`](public/modelConstants.js) for the full list of supported models)
+- **Model Compatibility** - Works with Claude, GPT, and Gemini model families (the full list of supported models is available at runtime via `GET /api/providers/:provider/models`)
 
 
 ## Quick Start
diff --git a/README.ru.md b/README.ru.md
index ff268015..b4f4ecd2 100644
--- a/README.ru.md
+++ b/README.ru.md
@@ -62,7 +62,7 @@
 - **Управление сессиями** - возобновляйте диалоги, управляйте несколькими сессиями и отслеживайте историю
 - **Система плагинов** - расширяйте CloudCLI кастомными плагинами — добавляйте новые вкладки, бэкенд-сервисы и интеграции. [Создать свой →](https://github.com/cloudcli-ai/cloudcli-plugin-starter)
 - **Интеграция с TaskMaster AI** *(опционально)* - продвинутое управление проектами с планированием задач на базе AI, разбором PRD и автоматизацией workflow
-- **Совместимость с моделями** - работает с семействами моделей Claude, GPT и Gemini (см. [`public/modelConstants.js`](public/modelConstants.js) для полного списка поддерживаемых моделей)
+- **Совместимость с моделями** - работает с семействами моделей Claude, GPT и Gemini (полный список поддерживаемых моделей доступен через `GET /api/providers/:provider/models`)
 
 
 ## Быстрый старт
diff --git a/README.tr.md b/README.tr.md
index f5a155d6..ab6afa32 100644
--- a/README.tr.md
+++ b/README.tr.md
@@ -62,7 +62,7 @@
 - **Oturum Yönetimi** — Konuşmalara devam et, birden fazla oturumu yönet ve geçmişi takip et
 - **Eklenti Sistemi** — CloudCLI'ı özel eklentilerle genişlet: yeni sekmeler, arka uç servisleri ve entegrasyonlar ekle. [Kendi eklentini yaz →](https://github.com/cloudcli-ai/cloudcli-plugin-starter)
 - **TaskMaster AI Entegrasyonu** *(İsteğe Bağlı)* — AI destekli görev planlama, PRD ayrıştırma ve iş akışı otomasyonu ile gelişmiş proje yönetimi
-- **Model Uyumluluğu** — Claude, GPT ve Gemini model aileleriyle çalışır (desteklenen tüm modeller için [`public/modelConstants.js`](public/modelConstants.js) dosyasına bak)
+- **Model Uyumluluğu** — Claude, GPT ve Gemini model aileleriyle çalışır (desteklenen tüm modeller için `GET /api/providers/:provider/models` API'sine bak)
 
 
 ## Hızlı Başlangıç
diff --git a/README.zh-CN.md b/README.zh-CN.md
index 457d24dd..c774cc7a 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -60,7 +60,7 @@
 - **会话管理** - 恢复对话、管理多个会话并跟踪历史记录
 - **插件系统** - 通过自定义选项卡、后端服务与集成扩展 CloudCLI。 [开始构建 →](https://github.com/cloudcli-ai/cloudcli-plugin-starter)
 - **TaskMaster AI 集成** *(可选)* - 结合 AI 任务规划、PRD 分析与工作流自动化，实现高级项目管理
-- **模型兼容性** - 支持 Claude、GPT、Gemini 模型家族（完整支持列表见 [`public/modelConstants.js`](public/modelConstants.js)）
+- **模型兼容性** - 支持 Claude、GPT、Gemini 模型家族（完整支持列表可通过 `GET /api/providers/:provider/models` 接口获取）
 
 ## 快速开始
 
diff --git a/README.zh-TW.md b/README.zh-TW.md
index f0710ff3..af578051 100644
--- a/README.zh-TW.md
+++ b/README.zh-TW.md
@@ -60,7 +60,7 @@
 - **工作階段管理** — 恢復對話、管理多個工作階段並追蹤歷史紀錄
 - **外掛系統** — 透過自訂分頁、後端服務與整合來擴充 CloudCLI。[開始建構 →](https://github.com/cloudcli-ai/cloudcli-plugin-starter)
 - **TaskMaster AI 整合** *(選用)* — 結合 AI 任務規劃、PRD 分析與工作流程自動化，實現進階專案管理
-- **模型相容性** — 支援 Claude、GPT、Gemini 模型家族（完整支援列表見 [`shared/modelConstants.js`](shared/modelConstants.js)）
+- **模型相容性** — 支援 Claude、GPT、Gemini 模型家族（完整支援列表可透過 `GET /api/providers/:provider/models` 介面取得）
 
 ## 快速開始
 
diff --git a/package.json b/package.json
index 3f4ffaa0..2220c0f9 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,6 @@
     "server/",
     "shared/",
     "public/api-docs.html",
-    "public/modelConstants.js",
     "dist/",
     "dist-server/",
     "scripts/",
diff --git a/public/api-docs.html b/public/api-docs.html
index 0103b5ca..03dbb9b8 100644
--- a/public/api-docs.html
+++ b/public/api-docs.html
@@ -820,31 +820,49 @@ data: {"type":"done"}</code></pre>
         </div>
     </div>
 
-    <script type="module">
-        // Import model constants
-        import { PROVIDERS } from './modelConstants.js';
-
+    <script>
         // Dynamic URL replacement
         const apiUrl = window.location.origin;
         document.querySelectorAll('.api-url').forEach(el => {
             el.textContent = apiUrl;
         });
 
-        // Dynamically populate model documentation
-        window.addEventListener('DOMContentLoaded', () => {
-            const modelCell = document.getElementById('model-options-cell');
-            if (modelCell) {
-                const providerModels = PROVIDERS.map(provider => {
-                    const models = provider.models.OPTIONS.map(m => `<code>${m.value}</code>`).join(', ');
-                    return `<strong>${provider.name}:</strong> ${models} (default: <code>${provider.models.DEFAULT}</code>)`;
-                }).join('<br><br>');
+        // Populate model documentation from the live provider API
+        const PROVIDER_ORDER = [
+            { id: 'claude',   name: 'Anthropic' },
+            { id: 'codex',    name: 'OpenAI' },
+            { id: 'gemini',   name: 'Google' },
+            { id: 'cursor',   name: 'Cursor' },
+            { id: 'opencode', name: 'OpenCode' },
+        ];
 
-                modelCell.innerHTML = `
-                    Model identifier for the AI provider:<br><br>
-                    ${providerModels}
-                `;
-            }
-        });
+        async function populateModels() {
+            const modelCell = document.getElementById('model-options-cell');
+            if (!modelCell) return;
+
+            const token = localStorage.getItem('auth-token');
+            const headers = token ? { Authorization: `Bearer ${token}` } : {};
+
+            const results = await Promise.allSettled(
+                PROVIDER_ORDER.map(({ id }) =>
+                    fetch(`/api/providers/${id}/models`, { headers }).then(r => r.json())
+                )
+            );
+
+            const providerModels = results.map((result, i) => {
+                const { name } = PROVIDER_ORDER[i];
+                if (result.status === 'rejected' || !result.value?.data?.models) {
+                    return `<strong>${name}:</strong> <em>unavailable</em>`;
+                }
+                const { OPTIONS, DEFAULT } = result.value.data.models;
+                const models = OPTIONS.map(m => `<code>${m.value}</code>`).join(', ');
+                return `<strong>${name}:</strong> ${models} (default: <code>${DEFAULT}</code>)`;
+            }).join('<br><br>');
+
+            modelCell.innerHTML = `Model identifier for the AI provider:<br><br>${providerModels}`;
+        }
+
+        document.addEventListener('DOMContentLoaded', populateModels);
 
         // Tab switching
         window.showTab = function(tabName) {
diff --git a/public/modelConstants.js b/public/modelConstants.js
deleted file mode 100644
index 3fda71bc..00000000
--- a/public/modelConstants.js
+++ /dev/null
@@ -1,854 +0,0 @@
-/**
- * Documentation Model Definitions
- * Used by README links and the public API docs.
- */
-
-/**
- * Claude (Anthropic) Models
- */
-export const CLAUDE_MODELS = {
-  OPTIONS: [
-    {
-      value: "default",
-      label: "Default (recommended)",
-      description:
-        "Use the default model (currently Opus 4.8 (1M context)) · $5/$25 per Mtok",
-    },
-    {
-      value: "fable",
-      label: "Fable",
-      description:
-        "Fable 5 · Most capable for your hardest and longest-running tasks · Uses your limits ~2× faster than Opus",
-    },
-    {
-      value: "sonnet",
-      label: "Sonnet",
-      description: "Sonnet 4.6 · Best for everyday tasks · $3/$15 per Mtok",
-    },
-    {
-      value: "sonnet[1m]",
-      label: "Sonnet (1M context)",
-      description: "Sonnet 4.6 for long sessions · $3/$15 per Mtok",
-    },
-    {
-      value: "opus[1m]",
-      label: "Opus 4.8 (1M context)",
-      description:
-        "Opus 4.8 with 1M context · Most capable for complex work · $5/$25 per Mtok",
-    },
-    {
-      value: "haiku",
-      label: "Haiku",
-      description: "Haiku 4.5 · Fastest for quick answers · $1/$5 per Mtok",
-    },
-  ],
-
-  DEFAULT: "default",
-};
-
-/**
- * Cursor Models
- */
-export const CURSOR_MODELS = {
-  OPTIONS: [
-    { value: "auto", label: "auto", description: "Auto" },
-    {
-      value: "composer-2-fast",
-      label: "composer-2-fast",
-      description: "Composer 2 Fast",
-    },
-    {
-      value: "composer-2",
-      label: "composer-2",
-      description: "Composer 2",
-    },
-    {
-      value: "gpt-5.3-codex-low",
-      label: "gpt-5.3-codex-low",
-      description: "Codex 5.3 Low",
-    },
-    {
-      value: "gpt-5.3-codex-low-fast",
-      label: "gpt-5.3-codex-low-fast",
-      description: "Codex 5.3 Low Fast",
-    },
-    {
-      value: "gpt-5.3-codex",
-      label: "gpt-5.3-codex",
-      description: "Codex 5.3",
-    },
-    {
-      value: "gpt-5.3-codex-fast",
-      label: "gpt-5.3-codex-fast",
-      description: "Codex 5.3 Fast",
-    },
-    {
-      value: "gpt-5.3-codex-high",
-      label: "gpt-5.3-codex-high",
-      description: "Codex 5.3 High",
-    },
-    {
-      value: "gpt-5.3-codex-high-fast",
-      label: "gpt-5.3-codex-high-fast",
-      description: "Codex 5.3 High Fast",
-    },
-    {
-      value: "gpt-5.3-codex-xhigh",
-      label: "gpt-5.3-codex-xhigh",
-      description: "Codex 5.3 Extra High",
-    },
-    {
-      value: "gpt-5.3-codex-xhigh-fast",
-      label: "gpt-5.3-codex-xhigh-fast",
-      description: "Codex 5.3 Extra High Fast",
-    },
-    { value: "gpt-5.2", label: "gpt-5.2", description: "GPT-5.2" },
-    {
-      value: "gpt-5.2-codex-low",
-      label: "gpt-5.2-codex-low",
-      description: "Codex 5.2 Low",
-    },
-    {
-      value: "gpt-5.2-codex-low-fast",
-      label: "gpt-5.2-codex-low-fast",
-      description: "Codex 5.2 Low Fast",
-    },
-    {
-      value: "gpt-5.2-codex",
-      label: "gpt-5.2-codex",
-      description: "Codex 5.2",
-    },
-    {
-      value: "gpt-5.2-codex-fast",
-      label: "gpt-5.2-codex-fast",
-      description: "Codex 5.2 Fast",
-    },
-    {
-      value: "gpt-5.2-codex-high",
-      label: "gpt-5.2-codex-high",
-      description: "Codex 5.2 High",
-    },
-    {
-      value: "gpt-5.2-codex-high-fast",
-      label: "gpt-5.2-codex-high-fast",
-      description: "Codex 5.2 High Fast",
-    },
-    {
-      value: "gpt-5.2-codex-xhigh",
-      label: "gpt-5.2-codex-xhigh",
-      description: "Codex 5.2 Extra High",
-    },
-    {
-      value: "gpt-5.2-codex-xhigh-fast",
-      label: "gpt-5.2-codex-xhigh-fast",
-      description: "Codex 5.2 Extra High Fast",
-    },
-    {
-      value: "gpt-5.1-codex-max-low",
-      label: "gpt-5.1-codex-max-low",
-      description: "Codex 5.1 Max Low",
-    },
-    {
-      value: "gpt-5.1-codex-max-low-fast",
-      label: "gpt-5.1-codex-max-low-fast",
-      description: "Codex 5.1 Max Low Fast",
-    },
-    {
-      value: "gpt-5.1-codex-max-medium",
-      label: "gpt-5.1-codex-max-medium",
-      description: "Codex 5.1 Max",
-    },
-    {
-      value: "gpt-5.1-codex-max-medium-fast",
-      label: "gpt-5.1-codex-max-medium-fast",
-      description: "Codex 5.1 Max Medium Fast",
-    },
-    {
-      value: "gpt-5.1-codex-max-high",
-      label: "gpt-5.1-codex-max-high",
-      description: "Codex 5.1 Max High",
-    },
-    {
-      value: "gpt-5.1-codex-max-high-fast",
-      label: "gpt-5.1-codex-max-high-fast",
-      description: "Codex 5.1 Max High Fast",
-    },
-    {
-      value: "gpt-5.1-codex-max-xhigh",
-      label: "gpt-5.1-codex-max-xhigh",
-      description: "Codex 5.1 Max Extra High",
-    },
-    {
-      value: "gpt-5.1-codex-max-xhigh-fast",
-      label: "gpt-5.1-codex-max-xhigh-fast",
-      description: "Codex 5.1 Max Extra High Fast",
-    },
-    {
-      value: "composer-2.5",
-      label: "composer-2.5",
-      description: "Composer 2.5",
-    },
-    {
-      value: "gpt-5.5-high",
-      label: "gpt-5.5-high",
-      description: "GPT-5.5 1M High",
-    },
-    {
-      value: "gpt-5.5-high-fast",
-      label: "gpt-5.5-high-fast",
-      description: "GPT-5.5 High Fast",
-    },
-    {
-      value: "claude-opus-4-7-thinking-high",
-      label: "claude-opus-4-7-thinking-high",
-      description: "Opus 4.7 1M High Thinking",
-    },
-    {
-      value: "gpt-5.4-high",
-      label: "gpt-5.4-high",
-      description: "GPT-5.4 1M High",
-    },
-    {
-      value: "gpt-5.4-high-fast",
-      label: "gpt-5.4-high-fast",
-      description: "GPT-5.4 High Fast",
-    },
-    {
-      value: "claude-4.6-opus-high-thinking",
-      label: "claude-4.6-opus-high-thinking",
-      description: "Opus 4.6 1M Thinking",
-    },
-    {
-      value: "claude-4.6-opus-high-thinking-fast",
-      label: "claude-4.6-opus-high-thinking-fast",
-      description: "Opus 4.6 1M Thinking Fast",
-    },
-    {
-      value: "composer-2.5-fast",
-      label: "composer-2.5-fast",
-      description: "Composer 2.5 Fast",
-    },
-    {
-      value: "gpt-5.5-none",
-      label: "gpt-5.5-none",
-      description: "GPT-5.5 1M None",
-    },
-    {
-      value: "gpt-5.5-none-fast",
-      label: "gpt-5.5-none-fast",
-      description: "GPT-5.5 None Fast",
-    },
-    {
-      value: "gpt-5.5-low",
-      label: "gpt-5.5-low",
-      description: "GPT-5.5 1M Low",
-    },
-    {
-      value: "gpt-5.5-low-fast",
-      label: "gpt-5.5-low-fast",
-      description: "GPT-5.5 Low Fast",
-    },
-    {
-      value: "gpt-5.5-medium",
-      label: "gpt-5.5-medium",
-      description: "GPT-5.5 1M",
-    },
-    {
-      value: "gpt-5.5-medium-fast",
-      label: "gpt-5.5-medium-fast",
-      description: "GPT-5.5 Fast",
-    },
-    {
-      value: "gpt-5.5-extra-high",
-      label: "gpt-5.5-extra-high",
-      description: "GPT-5.5 1M Extra High",
-    },
-    {
-      value: "gpt-5.5-extra-high-fast",
-      label: "gpt-5.5-extra-high-fast",
-      description: "GPT-5.5 Extra High Fast",
-    },
-    {
-      value: "claude-4.6-sonnet-medium",
-      label: "claude-4.6-sonnet-medium",
-      description: "Sonnet 4.6 1M",
-    },
-    {
-      value: "claude-4.6-sonnet-medium-thinking",
-      label: "claude-4.6-sonnet-medium-thinking",
-      description: "Sonnet 4.6 1M Thinking",
-    },
-    {
-      value: "claude-opus-4-7-low",
-      label: "claude-opus-4-7-low",
-      description: "Opus 4.7 1M Low",
-    },
-    {
-      value: "claude-opus-4-7-low-fast",
-      label: "claude-opus-4-7-low-fast",
-      description: "Opus 4.7 1M Low Fast",
-    },
-    {
-      value: "claude-opus-4-7-medium",
-      label: "claude-opus-4-7-medium",
-      description: "Opus 4.7 1M Medium",
-    },
-    {
-      value: "claude-opus-4-7-medium-fast",
-      label: "claude-opus-4-7-medium-fast",
-      description: "Opus 4.7 1M Medium Fast",
-    },
-    {
-      value: "claude-opus-4-7-high",
-      label: "claude-opus-4-7-high",
-      description: "Opus 4.7 1M High",
-    },
-    {
-      value: "claude-opus-4-7-high-fast",
-      label: "claude-opus-4-7-high-fast",
-      description: "Opus 4.7 1M High Fast",
-    },
-    {
-      value: "claude-opus-4-7-xhigh",
-      label: "claude-opus-4-7-xhigh",
-      description: "Opus 4.7 1M",
-    },
-    {
-      value: "claude-opus-4-7-xhigh-fast",
-      label: "claude-opus-4-7-xhigh-fast",
-      description: "Opus 4.7 1M Fast",
-    },
-    {
-      value: "claude-opus-4-7-max",
-      label: "claude-opus-4-7-max",
-      description: "Opus 4.7 1M Max",
-    },
-    {
-      value: "claude-opus-4-7-max-fast",
-      label: "claude-opus-4-7-max-fast",
-      description: "Opus 4.7 1M Max Fast",
-    },
-    {
-      value: "claude-opus-4-7-thinking-low",
-      label: "claude-opus-4-7-thinking-low",
-      description: "Opus 4.7 1M Low Thinking",
-    },
-    {
-      value: "claude-opus-4-7-thinking-low-fast",
-      label: "claude-opus-4-7-thinking-low-fast",
-      description: "Opus 4.7 1M Low Thinking Fast",
-    },
-    {
-      value: "claude-opus-4-7-thinking-medium",
-      label: "claude-opus-4-7-thinking-medium",
-      description: "Opus 4.7 1M Medium Thinking",
-    },
-    {
-      value: "claude-opus-4-7-thinking-medium-fast",
-      label: "claude-opus-4-7-thinking-medium-fast",
-      description: "Opus 4.7 1M Medium Thinking Fast",
-    },
-    {
-      value: "claude-opus-4-7-thinking-high-fast",
-      label: "claude-opus-4-7-thinking-high-fast",
-      description: "Opus 4.7 1M High Thinking Fast",
-    },
-    {
-      value: "claude-opus-4-7-thinking-xhigh",
-      label: "claude-opus-4-7-thinking-xhigh",
-      description: "Opus 4.7 1M Thinking",
-    },
-    {
-      value: "claude-opus-4-7-thinking-xhigh-fast",
-      label: "claude-opus-4-7-thinking-xhigh-fast",
-      description: "Opus 4.7 1M Thinking Fast",
-    },
-    {
-      value: "claude-opus-4-7-thinking-max",
-      label: "claude-opus-4-7-thinking-max",
-      description: "Opus 4.7 1M Max Thinking",
-    },
-    {
-      value: "claude-opus-4-7-thinking-max-fast",
-      label: "claude-opus-4-7-thinking-max-fast",
-      description: "Opus 4.7 1M Max Thinking Fast",
-    },
-    {
-      value: "grok-build-0.1",
-      label: "grok-build-0.1",
-      description: "Grok Build 0.1 1M",
-    },
-    {
-      value: "gpt-5.4-low",
-      label: "gpt-5.4-low",
-      description: "GPT-5.4 1M Low",
-    },
-    {
-      value: "gpt-5.4-medium",
-      label: "gpt-5.4-medium",
-      description: "GPT-5.4 1M",
-    },
-    {
-      value: "gpt-5.4-medium-fast",
-      label: "gpt-5.4-medium-fast",
-      description: "GPT-5.4 Fast",
-    },
-    {
-      value: "gpt-5.4-xhigh",
-      label: "gpt-5.4-xhigh",
-      description: "GPT-5.4 1M Extra High",
-    },
-    {
-      value: "gpt-5.4-xhigh-fast",
-      label: "gpt-5.4-xhigh-fast",
-      description: "GPT-5.4 Extra High Fast",
-    },
-    {
-      value: "claude-4.6-opus-high",
-      label: "claude-4.6-opus-high",
-      description: "Opus 4.6 1M",
-    },
-    {
-      value: "claude-4.6-opus-max",
-      label: "claude-4.6-opus-max",
-      description: "Opus 4.6 1M Max",
-    },
-    {
-      value: "claude-4.6-opus-max-thinking",
-      label: "claude-4.6-opus-max-thinking",
-      description: "Opus 4.6 1M Max Thinking",
-    },
-    {
-      value: "claude-4.6-opus-max-thinking-fast",
-      label: "claude-4.6-opus-max-thinking-fast",
-      description: "Opus 4.6 1M Max Thinking Fast",
-    },
-    {
-      value: "claude-4.5-opus-high",
-      label: "claude-4.5-opus-high",
-      description: "Opus 4.5",
-    },
-    {
-      value: "claude-4.5-opus-high-thinking",
-      label: "claude-4.5-opus-high-thinking",
-      description: "Opus 4.5 Thinking",
-    },
-    {
-      value: "gpt-5.2-low",
-      label: "gpt-5.2-low",
-      description: "GPT-5.2 Low",
-    },
-    {
-      value: "gpt-5.2-low-fast",
-      label: "gpt-5.2-low-fast",
-      description: "GPT-5.2 Low Fast",
-    },
-    {
-      value: "gpt-5.2-fast",
-      label: "gpt-5.2-fast",
-      description: "GPT-5.2 Fast",
-    },
-    {
-      value: "gpt-5.2-high",
-      label: "gpt-5.2-high",
-      description: "GPT-5.2 High",
-    },
-    {
-      value: "gpt-5.2-high-fast",
-      label: "gpt-5.2-high-fast",
-      description: "GPT-5.2 High Fast",
-    },
-    {
-      value: "gpt-5.2-xhigh",
-      label: "gpt-5.2-xhigh",
-      description: "GPT-5.2 Extra High",
-    },
-    {
-      value: "gpt-5.2-xhigh-fast",
-      label: "gpt-5.2-xhigh-fast",
-      description: "GPT-5.2 Extra High Fast",
-    },
-    {
-      value: "gemini-3.1-pro",
-      label: "gemini-3.1-pro",
-      description: "Gemini 3.1 Pro",
-    },
-    {
-      value: "gpt-5.4-mini-none",
-      label: "gpt-5.4-mini-none",
-      description: "GPT-5.4 Mini None",
-    },
-    {
-      value: "gpt-5.4-mini-low",
-      label: "gpt-5.4-mini-low",
-      description: "GPT-5.4 Mini Low",
-    },
-    {
-      value: "gpt-5.4-mini-medium",
-      label: "gpt-5.4-mini-medium",
-      description: "GPT-5.4 Mini",
-    },
-    {
-      value: "gpt-5.4-mini-high",
-      label: "gpt-5.4-mini-high",
-      description: "GPT-5.4 Mini High",
-    },
-    {
-      value: "gpt-5.4-mini-xhigh",
-      label: "gpt-5.4-mini-xhigh",
-      description: "GPT-5.4 Mini Extra High",
-    },
-    {
-      value: "gpt-5.4-nano-none",
-      label: "gpt-5.4-nano-none",
-      description: "GPT-5.4 Nano None",
-    },
-    {
-      value: "gpt-5.4-nano-low",
-      label: "gpt-5.4-nano-low",
-      description: "GPT-5.4 Nano Low",
-    },
-    {
-      value: "gpt-5.4-nano-medium",
-      label: "gpt-5.4-nano-medium",
-      description: "GPT-5.4 Nano",
-    },
-    {
-      value: "gpt-5.4-nano-high",
-      label: "gpt-5.4-nano-high",
-      description: "GPT-5.4 Nano High",
-    },
-    {
-      value: "gpt-5.4-nano-xhigh",
-      label: "gpt-5.4-nano-xhigh",
-      description: "GPT-5.4 Nano Extra High",
-    },
-    {
-      value: "grok-4.3",
-      label: "grok-4.3",
-      description: "Grok 4.3 1M",
-    },
-    {
-      value: "claude-4.5-sonnet",
-      label: "claude-4.5-sonnet",
-      description: "Sonnet 4.5",
-    },
-    {
-      value: "claude-4.5-sonnet-thinking",
-      label: "claude-4.5-sonnet-thinking",
-      description: "Sonnet 4.5 Thinking",
-    },
-    {
-      value: "gpt-5.1-low",
-      label: "gpt-5.1-low",
-      description: "GPT-5.1 Low",
-    },
-    {
-      value: "gpt-5.1",
-      label: "gpt-5.1",
-      description: "GPT-5.1",
-    },
-    {
-      value: "gpt-5.1-high",
-      label: "gpt-5.1-high",
-      description: "GPT-5.1 High",
-    },
-    {
-      value: "gemini-3-flash",
-      label: "gemini-3-flash",
-      description: "Gemini 3 Flash",
-    },
-    {
-      value: "gemini-3.5-flash",
-      label: "gemini-3.5-flash",
-      description: "Gemini 3.5 Flash",
-    },
-    {
-      value: "gpt-5.1-codex-mini-low",
-      label: "gpt-5.1-codex-mini-low",
-      description: "Codex 5.1 Mini Low",
-    },
-    {
-      value: "gpt-5.1-codex-mini",
-      label: "gpt-5.1-codex-mini",
-      description: "Codex 5.1 Mini",
-    },
-    {
-      value: "gpt-5.1-codex-mini-high",
-      label: "gpt-5.1-codex-mini-high",
-      description: "Codex 5.1 Mini High",
-    },
-    {
-      value: "claude-4-sonnet",
-      label: "claude-4-sonnet",
-      description: "Sonnet 4",
-    },
-    {
-      value: "claude-4-sonnet-thinking",
-      label: "claude-4-sonnet-thinking",
-      description: "Sonnet 4 Thinking",
-    },
-    {
-      value: "gpt-5-mini",
-      label: "gpt-5-mini",
-      description: "GPT-5 Mini",
-    },
-    {
-      value: "kimi-k2.5",
-      label: "kimi-k2.5",
-      description: "Kimi K2.5",
-    },
-  ],
-
-  DEFAULT: "composer-2.5-fast",
-};
-
-/**
- * Codex (OpenAI) Models
- */
-export const CODEX_MODELS = {
-  OPTIONS: [
-    { value: "gpt-5.5", label: "gpt-5.5" },
-    { value: "gpt-5.4", label: "gpt-5.4" },
-    { value: "gpt-5.4-mini", label: "gpt-5.4-mini" },
-    { value: "gpt-5.3-codex", label: "gpt-5.3-codex" },
-    { value: "gpt-5.2", label: "gpt-5.2" },
-  ],
-
-  DEFAULT: "gpt-5.4",
-};
-
-/**
- * Gemini Models
- */
-export const GEMINI_MODELS = {
-  OPTIONS: [
-    { value: "gemini-3.1-pro-preview", label: "Gemini 3.1 Pro Preview" },
-    { value: "gemini-3-pro-preview", label: "Gemini 3 Pro Preview" },
-    { value: "gemini-3-flash-preview", label: "Gemini 3 Flash Preview" },
-    { value: "gemini-2.5-flash", label: "Gemini 2.5 Flash" },
-    { value: "gemini-2.5-pro", label: "Gemini 2.5 Pro" },
-    { value: "gemini-2.0-flash-lite", label: "Gemini 2.0 Flash Lite" },
-    { value: "gemini-2.0-flash", label: "Gemini 2.0 Flash" },
-    { value: "gemini-2.0-pro-exp", label: "Gemini 2.0 Pro Experimental" },
-    {
-      value: "gemini-2.0-flash-thinking-exp",
-      label: "Gemini 2.0 Flash Thinking",
-    },
-  ],
-
-  DEFAULT: "gemini-3.1-pro-preview",
-};
-
-/**
- * OpenCode Models
- *
- * OpenCode model ids include the upstream provider prefix.
- */
-export const OPENCODE_MODELS = {
-  OPTIONS: [
-    {
-      value: "opencode/big-pickle",
-      label: "Big Pickle",
-      description: "opencode - opencode/big-pickle",
-    },
-    {
-      value: "opencode/deepseek-v4-flash-free",
-      label: "Deepseek V4 Flash Free",
-      description: "opencode - opencode/deepseek-v4-flash-free",
-    },
-    {
-      value: "opencode/nemotron-3-super-free",
-      label: "Nemotron 3 Super Free",
-      description: "opencode - opencode/nemotron-3-super-free",
-    },
-    {
-      value: "anthropic/claude-3-5-haiku-20241022",
-      label: "Claude 3.5 Haiku (2024-10-22)",
-      description: "anthropic - anthropic/claude-3-5-haiku-20241022",
-    },
-    {
-      value: "anthropic/claude-3-5-haiku-latest",
-      label: "Claude 3.5 Haiku Latest",
-      description: "anthropic - anthropic/claude-3-5-haiku-latest",
-    },
-    {
-      value: "anthropic/claude-3-5-sonnet-20240620",
-      label: "Claude 3.5 Sonnet (2024-06-20)",
-      description: "anthropic - anthropic/claude-3-5-sonnet-20240620",
-    },
-    {
-      value: "anthropic/claude-3-5-sonnet-20241022",
-      label: "Claude 3.5 Sonnet (2024-10-22)",
-      description: "anthropic - anthropic/claude-3-5-sonnet-20241022",
-    },
-    {
-      value: "anthropic/claude-3-7-sonnet-20250219",
-      label: "Claude 3.7 Sonnet (2025-02-19)",
-      description: "anthropic - anthropic/claude-3-7-sonnet-20250219",
-    },
-    {
-      value: "anthropic/claude-3-haiku-20240307",
-      label: "Claude 3 Haiku (2024-03-07)",
-      description: "anthropic - anthropic/claude-3-haiku-20240307",
-    },
-    {
-      value: "anthropic/claude-3-opus-20240229",
-      label: "Claude 3 Opus (2024-02-29)",
-      description: "anthropic - anthropic/claude-3-opus-20240229",
-    },
-    {
-      value: "anthropic/claude-3-sonnet-20240229",
-      label: "Claude 3 Sonnet (2024-02-29)",
-      description: "anthropic - anthropic/claude-3-sonnet-20240229",
-    },
-    {
-      value: "anthropic/claude-haiku-4-5",
-      label: "Claude Haiku 4.5",
-      description: "anthropic - anthropic/claude-haiku-4-5",
-    },
-    {
-      value: "anthropic/claude-haiku-4-5-20251001",
-      label: "Claude Haiku 4.5 (2025-10-01)",
-      description: "anthropic - anthropic/claude-haiku-4-5-20251001",
-    },
-    {
-      value: "anthropic/claude-opus-4-0",
-      label: "Claude Opus 4.0",
-      description: "anthropic - anthropic/claude-opus-4-0",
-    },
-    {
-      value: "anthropic/claude-opus-4-1",
-      label: "Claude Opus 4.1",
-      description: "anthropic - anthropic/claude-opus-4-1",
-    },
-    {
-      value: "anthropic/claude-opus-4-1-20250805",
-      label: "Claude Opus 4.1 (2025-08-05)",
-      description: "anthropic - anthropic/claude-opus-4-1-20250805",
-    },
-    {
-      value: "anthropic/claude-opus-4-20250514",
-      label: "Claude Opus 4 (2025-05-14)",
-      description: "anthropic - anthropic/claude-opus-4-20250514",
-    },
-    {
-      value: "anthropic/claude-opus-4-5",
-      label: "Claude Opus 4.5",
-      description: "anthropic - anthropic/claude-opus-4-5",
-    },
-    {
-      value: "anthropic/claude-opus-4-5-20251101",
-      label: "Claude Opus 4.5 (2025-11-01)",
-      description: "anthropic - anthropic/claude-opus-4-5-20251101",
-    },
-    {
-      value: "anthropic/claude-opus-4-6",
-      label: "Claude Opus 4.6",
-      description: "anthropic - anthropic/claude-opus-4-6",
-    },
-    {
-      value: "anthropic/claude-opus-4-6-fast",
-      label: "Claude Opus 4.6 Fast",
-      description: "anthropic - anthropic/claude-opus-4-6-fast",
-    },
-    {
-      value: "anthropic/claude-opus-4-7",
-      label: "Claude Opus 4.7",
-      description: "anthropic - anthropic/claude-opus-4-7",
-    },
-    {
-      value: "anthropic/claude-opus-4-7-fast",
-      label: "Claude Opus 4.7 Fast",
-      description: "anthropic - anthropic/claude-opus-4-7-fast",
-    },
-    {
-      value: "anthropic/claude-sonnet-4-0",
-      label: "Claude Sonnet 4.0",
-      description: "anthropic - anthropic/claude-sonnet-4-0",
-    },
-    {
-      value: "anthropic/claude-sonnet-4-20250514",
-      label: "Claude Sonnet 4 (2025-05-14)",
-      description: "anthropic - anthropic/claude-sonnet-4-20250514",
-    },
-    {
-      value: "anthropic/claude-sonnet-4-5",
-      label: "Claude Sonnet 4.5",
-      description: "anthropic - anthropic/claude-sonnet-4-5",
-    },
-    {
-      value: "anthropic/claude-sonnet-4-5-20250929",
-      label: "Claude Sonnet 4.5 (2025-09-29)",
-      description: "anthropic - anthropic/claude-sonnet-4-5-20250929",
-    },
-    {
-      value: "anthropic/claude-sonnet-4-6",
-      label: "Claude Sonnet 4.6",
-      description: "anthropic - anthropic/claude-sonnet-4-6",
-    },
-    {
-      value: "openai/gpt-5.2",
-      label: "GPT-5.2",
-      description: "openai - openai/gpt-5.2",
-    },
-    {
-      value: "openai/gpt-5.3-codex",
-      label: "GPT-5.3 Codex",
-      description: "openai - openai/gpt-5.3-codex",
-    },
-    {
-      value: "openai/gpt-5.3-codex-spark",
-      label: "GPT-5.3 Codex Spark",
-      description: "openai - openai/gpt-5.3-codex-spark",
-    },
-    {
-      value: "openai/gpt-5.4",
-      label: "GPT-5.4",
-      description: "openai - openai/gpt-5.4",
-    },
-    {
-      value: "openai/gpt-5.4-fast",
-      label: "GPT-5.4 Fast",
-      description: "openai - openai/gpt-5.4-fast",
-    },
-    {
-      value: "openai/gpt-5.4-mini",
-      label: "GPT-5.4 Mini",
-      description: "openai - openai/gpt-5.4-mini",
-    },
-    {
-      value: "openai/gpt-5.4-mini-fast",
-      label: "GPT-5.4 Mini Fast",
-      description: "openai - openai/gpt-5.4-mini-fast",
-    },
-    {
-      value: "openai/gpt-5.5",
-      label: "GPT-5.5",
-      description: "openai - openai/gpt-5.5",
-    },
-    {
-      value: "openai/gpt-5.5-fast",
-      label: "GPT-5.5 Fast",
-      description: "openai - openai/gpt-5.5-fast",
-    },
-    {
-      value: "openai/gpt-5.5-pro",
-      label: "GPT-5.5 Pro",
-      description: "openai - openai/gpt-5.5-pro",
-    },
-  ],
-
-  DEFAULT: "anthropic/claude-sonnet-4-5",
-};
-
-/**
- * Ordered provider registry. Display order in documentation.
- */
-export const PROVIDERS = [
-  { id: "claude", name: "Anthropic", models: CLAUDE_MODELS },
-  { id: "codex", name: "OpenAI", models: CODEX_MODELS },
-  { id: "gemini", name: "Google", models: GEMINI_MODELS },
-  { id: "cursor", name: "Cursor", models: CURSOR_MODELS },
-  { id: "opencode", name: "OpenCode", models: OPENCODE_MODELS },
-];
diff --git a/redirect-package/README.md b/redirect-package/README.md
index 6dd6c618..bcc82037 100644
--- a/redirect-package/README.md
+++ b/redirect-package/README.md
@@ -75,7 +75,7 @@
 - **Session Management** - Resume conversations, manage multiple sessions, and track history
 - **Plugin System** - Extend CloudCLI with custom plugins — add new tabs, backend services, and integrations. [Build your own →](https://github.com/cloudcli-ai/cloudcli-plugin-starter)
 - **TaskMaster AI Integration** *(Optional)* - Advanced project management with AI-powered task planning, PRD parsing, and workflow automation
-- **Model Compatibility** - Works with Claude, GPT, and Gemini model families (see [`public/modelConstants.js`](https://github.com/siteboon/claudecodeui/blob/main/public/modelConstants.js) for the full list of supported models)
+- **Model Compatibility** - Works with Claude, GPT, and Gemini model families (the full list of supported models is available at runtime via `GET /api/providers/:provider/models`)
 
 
 ## Quick Start
diff --git a/server/modules/providers/README.md b/server/modules/providers/README.md
index 6812fb3e..32b862c8 100644
--- a/server/modules/providers/README.md
+++ b/server/modules/providers/README.md
@@ -83,7 +83,7 @@ The existing provider folders are `claude`, `codex`, `cursor`, `gemini`, and
 - Update `server/modules/providers/provider.routes.ts`.
 - Update `server/routes/agent.js` if the provider is launchable from the agent runtime.
 - Update `server/index.js` if the provider needs runtime boot or shutdown wiring.
-- Update `public/modelConstants.js` if the provider appears in README or public API docs.
+- Update the `PROVIDER_ORDER` list in `public/api-docs.html` if the provider should appear in the public API docs.
 - Update `src/components/chat/hooks/useChatProviderState.ts` and
   `src/components/chat/view/subcomponents/ProviderSelectionEmptyState.tsx` if
   the provider should be selectable in chat.
diff --git a/server/shared/types.ts b/server/shared/types.ts
index dbcef5d4..de8b16c0 100644
--- a/server/shared/types.ts
+++ b/server/shared/types.ts
@@ -68,7 +68,7 @@ export type AuthenticatedWebSocketRequest = IncomingMessage & {
 export type LLMProvider = 'claude' | 'codex' | 'gemini' | 'cursor' | 'opencode';
 
 /**
- * One selectable model row (matches the documentation `public/modelConstants.js` option shape).
+ * One selectable model row in a provider model catalog.
  */
 export type ProviderModelOption = {
   value: string;