refactor: update Codex models to latest OpenAI models

- Replace gpt-5-codex, gpt-5-codex-mini, codex-1, codex-mini-latest, gpt-5
- Add gpt-5.1-codex-max, gpt-5.1-codex-mini, gpt-5.2, gpt-5.1
- Update thinking support for all Codex models

apps/server/src/providers/codex-models.ts

@@ -7,16 +7,17 @@
 import { CODEX_MODEL_MAP } from '@automaker/types';
 import type { ModelDefinition } from './types.js';
 
-const CONTEXT_WINDOW_200K = 200000;
+const CONTEXT_WINDOW_256K = 256000;
 const CONTEXT_WINDOW_128K = 128000;
 const MAX_OUTPUT_32K = 32000;
 const MAX_OUTPUT_16K = 16000;
 
 /**
  * All available Codex models with their specifications
+ * Based on https://developers.openai.com/codex/models/
  */
 export const CODEX_MODELS: ModelDefinition[] = [
-  // ========== Codex-Specific Models ==========
+  // ========== Recommended Codex Models ==========
   {
     id: CODEX_MODEL_MAP.gpt52Codex,
     name: 'GPT-5.2-Codex',
@@ -24,7 +25,7 @@ export const CODEX_MODELS: ModelDefinition[] = [
     provider: 'openai',
     description:
       'Most advanced agentic coding model for complex software engineering (default for ChatGPT users).',
-    contextWindow: CONTEXT_WINDOW_200K,
+    contextWindow: CONTEXT_WINDOW_256K,
     maxOutputTokens: MAX_OUTPUT_32K,
     supportsVision: true,
     supportsTools: true,
@@ -33,38 +34,12 @@ export const CODEX_MODELS: ModelDefinition[] = [
     hasReasoning: true,
   },
   {
-    id: CODEX_MODEL_MAP.gpt5Codex,
+    id: CODEX_MODEL_MAP.gpt51CodexMax,
-    name: 'GPT-5-Codex',
+    name: 'GPT-5.1-Codex-Max',
-    modelString: CODEX_MODEL_MAP.gpt5Codex,
+    modelString: CODEX_MODEL_MAP.gpt51CodexMax,
     provider: 'openai',
-    description: 'Purpose-built for Codex CLI with versatile tool use (default for CLI users).',
+    description: 'Optimized for long-horizon, agentic coding tasks in Codex.',
-    contextWindow: CONTEXT_WINDOW_200K,
+    contextWindow: CONTEXT_WINDOW_256K,
-    maxOutputTokens: MAX_OUTPUT_32K,
-    supportsVision: true,
-    supportsTools: true,
-    tier: 'standard' as const,
-    hasReasoning: true,
-  },
-  {
-    id: CODEX_MODEL_MAP.gpt5CodexMini,
-    name: 'GPT-5-Codex-Mini',
-    modelString: CODEX_MODEL_MAP.gpt5CodexMini,
-    provider: 'openai',
-    description: 'Faster workflows optimized for low-latency code Q&A and editing.',
-    contextWindow: CONTEXT_WINDOW_128K,
-    maxOutputTokens: MAX_OUTPUT_16K,
-    supportsVision: false,
-    supportsTools: true,
-    tier: 'basic' as const,
-    hasReasoning: false,
-  },
-  {
-    id: CODEX_MODEL_MAP.codex1,
-    name: 'Codex-1',
-    modelString: CODEX_MODEL_MAP.codex1,
-    provider: 'openai',
-    description: 'Version of o3 optimized for software engineering with advanced reasoning.',
-    contextWindow: CONTEXT_WINDOW_200K,
     maxOutputTokens: MAX_OUTPUT_32K,
     supportsVision: true,
     supportsTools: true,
@@ -72,27 +47,40 @@ export const CODEX_MODELS: ModelDefinition[] = [
     hasReasoning: true,
   },
   {
-    id: CODEX_MODEL_MAP.codexMiniLatest,
+    id: CODEX_MODEL_MAP.gpt51CodexMini,
-    name: 'Codex-Mini-Latest',
+    name: 'GPT-5.1-Codex-Mini',
-    modelString: CODEX_MODEL_MAP.codexMiniLatest,
+    modelString: CODEX_MODEL_MAP.gpt51CodexMini,
     provider: 'openai',
-    description: 'Version of o4-mini designed for Codex with faster workflows.',
+    description: 'Smaller, more cost-effective version for faster workflows.',
     contextWindow: CONTEXT_WINDOW_128K,
     maxOutputTokens: MAX_OUTPUT_16K,
     supportsVision: true,
     supportsTools: true,
-    tier: 'standard' as const,
+    tier: 'basic' as const,
     hasReasoning: false,
   },
 
-  // ========== Base GPT-5 Model ==========
+  // ========== General-Purpose GPT Models ==========
   {
-    id: CODEX_MODEL_MAP.gpt5,
+    id: CODEX_MODEL_MAP.gpt52,
-    name: 'GPT-5',
+    name: 'GPT-5.2',
-    modelString: CODEX_MODEL_MAP.gpt5,
+    modelString: CODEX_MODEL_MAP.gpt52,
     provider: 'openai',
-    description: 'GPT-5 base flagship model with strong general-purpose capabilities.',
+    description: 'Best general agentic model for tasks across industries and domains.',
-    contextWindow: CONTEXT_WINDOW_200K,
+    contextWindow: CONTEXT_WINDOW_256K,
+    maxOutputTokens: MAX_OUTPUT_32K,
+    supportsVision: true,
+    supportsTools: true,
+    tier: 'standard' as const,
+    hasReasoning: true,
+  },
+  {
+    id: CODEX_MODEL_MAP.gpt51,
+    name: 'GPT-5.1',
+    modelString: CODEX_MODEL_MAP.gpt51,
+    provider: 'openai',
+    description: 'Great for coding and agentic tasks across domains.',
+    contextWindow: CONTEXT_WINDOW_256K,
     maxOutputTokens: MAX_OUTPUT_32K,
     supportsVision: true,
     supportsTools: true,

apps/ui/src/components/views/board-view/shared/model-constants.ts

@@ -58,47 +58,39 @@ export const CODEX_MODELS: ModelOption[] = [
   {
     id: CODEX_MODEL_MAP.gpt52Codex,
     label: 'GPT-5.2-Codex',
-    description: 'Most advanced agentic coding model (default for ChatGPT users).',
+    description: 'Most advanced agentic coding model for complex software engineering.',
     badge: 'Premium',
     provider: 'codex',
     hasThinking: true,
   },
   {
-    id: CODEX_MODEL_MAP.gpt5Codex,
+    id: CODEX_MODEL_MAP.gpt51CodexMax,
-    label: 'GPT-5-Codex',
+    label: 'GPT-5.1-Codex-Max',
-    description: 'Purpose-built for Codex CLI (default for CLI users).',
+    description: 'Optimized for long-horizon, agentic coding tasks in Codex.',
-    badge: 'Balanced',
+    badge: 'Premium',
     provider: 'codex',
     hasThinking: true,
   },
   {
-    id: CODEX_MODEL_MAP.gpt5CodexMini,
+    id: CODEX_MODEL_MAP.gpt51CodexMini,
-    label: 'GPT-5-Codex-Mini',
+    label: 'GPT-5.1-Codex-Mini',
-    description: 'Faster workflows for code Q&A and editing.',
+    description: 'Smaller, more cost-effective version for faster workflows.',
     badge: 'Speed',
     provider: 'codex',
     hasThinking: false,
   },
   {
-    id: CODEX_MODEL_MAP.codex1,
+    id: CODEX_MODEL_MAP.gpt52,
-    label: 'Codex-1',
+    label: 'GPT-5.2',
-    description: 'o3-based model optimized for software engineering.',
+    description: 'Best general agentic model for tasks across industries and domains.',
-    badge: 'Premium',
+    badge: 'Balanced',
     provider: 'codex',
     hasThinking: true,
   },
   {
-    id: CODEX_MODEL_MAP.codexMiniLatest,
+    id: CODEX_MODEL_MAP.gpt51,
-    label: 'Codex-Mini-Latest',
+    label: 'GPT-5.1',
-    description: 'o4-mini-based model for faster workflows.',
+    description: 'Great for coding and agentic tasks across domains.',
-    badge: 'Balanced',
-    provider: 'codex',
-    hasThinking: false,
-  },
-  {
-    id: CODEX_MODEL_MAP.gpt5,
-    label: 'GPT-5',
-    description: 'GPT-5 base flagship model.',
     badge: 'Balanced',
     provider: 'codex',
     hasThinking: true,

apps/ui/src/components/views/settings-view/providers/codex-model-configuration.tsx

@@ -34,30 +34,25 @@ const CODEX_MODEL_INFO: Record<CodexModelId, CodexModelInfo> = {
     label: 'GPT-5.2-Codex',
     description: 'Most advanced agentic coding model for complex software engineering',
   },
-  'gpt-5-codex': {
+  'gpt-5.1-codex-max': {
-    id: 'gpt-5-codex',
+    id: 'gpt-5.1-codex-max',
-    label: 'GPT-5-Codex',
+    label: 'GPT-5.1-Codex-Max',
-    description: 'Purpose-built for Codex CLI with versatile tool use',
+    description: 'Optimized for long-horizon, agentic coding tasks in Codex',
   },
-  'gpt-5-codex-mini': {
+  'gpt-5.1-codex-mini': {
-    id: 'gpt-5-codex-mini',
+    id: 'gpt-5.1-codex-mini',
-    label: 'GPT-5-Codex-Mini',
+    label: 'GPT-5.1-Codex-Mini',
-    description: 'Faster workflows optimized for low-latency code Q&A and editing',
+    description: 'Smaller, more cost-effective version for faster workflows',
   },
-  'codex-1': {
+  'gpt-5.2': {
-    id: 'codex-1',
+    id: 'gpt-5.2',
-    label: 'Codex-1',
+    label: 'GPT-5.2',
-    description: 'Version of o3 optimized for software engineering',
+    description: 'Best general agentic model for tasks across industries and domains',
   },
-  'codex-mini-latest': {
+  'gpt-5.1': {
-    id: 'codex-mini-latest',
+    id: 'gpt-5.1',
-    label: 'Codex-Mini-Latest',
+    label: 'GPT-5.1',
-    description: 'Version of o4-mini for Codex, optimized for faster workflows',
+    description: 'Great for coding and agentic tasks across domains',
-  },
-  'gpt-5': {
-    id: 'gpt-5',
-    label: 'GPT-5',
-    description: 'GPT-5 base flagship model',
   },
 };
 
@@ -168,16 +163,15 @@ export function CodexModelConfiguration({
 function getModelDisplayName(modelId: string): string {
   const displayNames: Record<string, string> = {
     'gpt-5.2-codex': 'GPT-5.2-Codex',
-    'gpt-5-codex': 'GPT-5-Codex',
+    'gpt-5.1-codex-max': 'GPT-5.1-Codex-Max',
-    'gpt-5-codex-mini': 'GPT-5-Codex-Mini',
+    'gpt-5.1-codex-mini': 'GPT-5.1-Codex-Mini',
-    'codex-1': 'Codex-1',
+    'gpt-5.2': 'GPT-5.2',
-    'codex-mini-latest': 'Codex-Mini-Latest',
+    'gpt-5.1': 'GPT-5.1',
-    'gpt-5': 'GPT-5',
   };
   return displayNames[modelId] || modelId;
 }
 
 function supportsReasoningEffort(modelId: string): boolean {
-  const reasoningModels = ['gpt-5.2-codex', 'gpt-5-codex', 'gpt-5', 'codex-1'];
+  const reasoningModels = ['gpt-5.2-codex', 'gpt-5.1-codex-max', 'gpt-5.2', 'gpt-5.1'];
   return reasoningModels.includes(modelId);
 }

apps/ui/src/lib/utils.ts

@@ -1,6 +1,7 @@
 import { clsx, type ClassValue } from 'clsx';
 import { twMerge } from 'tailwind-merge';
 import type { ModelAlias, ModelProvider } from '@/store/app-store';
+import { CODEX_MODEL_CONFIG_MAP, codexModelHasThinking } from '@automaker/types';
 
 export function cn(...inputs: ClassValue[]) {
   return twMerge(clsx(inputs));
@@ -10,6 +11,13 @@ export function cn(...inputs: ClassValue[]) {
  * Determine if the current model supports extended thinking controls
  */
 export function modelSupportsThinking(_model?: ModelAlias | string): boolean {
+  if (!_model) return true;
+
+  // Check if it's a Codex model with thinking support
+  if (_model.startsWith('gpt-') && _model in CODEX_MODEL_CONFIG_MAP) {
+    return codexModelHasThinking(_model as any);
+  }
+
   // All Claude models support thinking
   return true;
 }

libs/types/src/codex-models.ts

@@ -4,12 +4,11 @@
  * Reference: https://developers.openai.com/codex/models/
  */
 export type CodexModelId =
-  | 'gpt-5.2-codex' // Most advanced agentic coding model for complex software engineering
+  | 'gpt-5.2-codex'
-  | 'gpt-5-codex' // Purpose-built for Codex CLI with versatile tool use
+  | 'gpt-5.1-codex-max'
-  | 'gpt-5-codex-mini' // Faster workflows optimized for low-latency code Q&A and editing
+  | 'gpt-5.1-codex-mini'
-  | 'codex-1' // Version of o3 optimized for software engineering
+  | 'gpt-5.2'
-  | 'codex-mini-latest' // Version of o4-mini for Codex, optimized for faster workflows
+  | 'gpt-5.1';
-  | 'gpt-5'; // GPT-5 base flagship model
 
 /**
  * Codex model metadata
@@ -32,40 +31,33 @@ export const CODEX_MODEL_CONFIG_MAP: Record<CodexModelId, CodexModelConfig> = {
     label: 'GPT-5.2-Codex',
     description: 'Most advanced agentic coding model for complex software engineering',
     hasThinking: true,
-    supportsVision: true, // GPT-5 supports vision
+    supportsVision: true,
   },
-  'gpt-5-codex': {
+  'gpt-5.1-codex-max': {
-    id: 'gpt-5-codex',
+    id: 'gpt-5.1-codex-max',
-    label: 'GPT-5-Codex',
+    label: 'GPT-5.1-Codex-Max',
-    description: 'Purpose-built for Codex CLI with versatile tool use',
+    description: 'Optimized for long-horizon, agentic coding tasks in Codex',
     hasThinking: true,
     supportsVision: true,
   },
-  'gpt-5-codex-mini': {
+  'gpt-5.1-codex-mini': {
-    id: 'gpt-5-codex-mini',
+    id: 'gpt-5.1-codex-mini',
-    label: 'GPT-5-Codex-Mini',
+    label: 'GPT-5.1-Codex-Mini',
-    description: 'Faster workflows optimized for low-latency code Q&A and editing',
+    description: 'Smaller, more cost-effective version for faster workflows',
     hasThinking: false,
     supportsVision: true,
   },
-  'codex-1': {
+  'gpt-5.2': {
-    id: 'codex-1',
+    id: 'gpt-5.2',
-    label: 'Codex-1',
+    label: 'GPT-5.2',
-    description: 'Version of o3 optimized for software engineering',
+    description: 'Best general agentic model for tasks across industries and domains',
     hasThinking: true,
     supportsVision: true,
   },
-  'codex-mini-latest': {
+  'gpt-5.1': {
-    id: 'codex-mini-latest',
+    id: 'gpt-5.1',
-    label: 'Codex-Mini-Latest',
+    label: 'GPT-5.1',
-    description: 'Version of o4-mini for Codex, optimized for faster workflows',
+    description: 'Great for coding and agentic tasks across domains',
-    hasThinking: false,
-    supportsVision: true,
-  },
-  'gpt-5': {
-    id: 'gpt-5',
-    label: 'GPT-5',
-    description: 'GPT-5 base flagship model',
     hasThinking: true,
     supportsVision: true,
   },

libs/types/src/model-display.ts

@@ -74,47 +74,39 @@ export const CODEX_MODELS: (ModelOption & { hasReasoning?: boolean })[] = [
   {
     id: CODEX_MODEL_MAP.gpt52Codex,
     label: 'GPT-5.2-Codex',
-    description: 'Most advanced agentic coding model (default for ChatGPT users).',
+    description: 'Most advanced agentic coding model for complex software engineering.',
     badge: 'Premium',
     provider: 'codex',
     hasReasoning: true,
   },
   {
-    id: CODEX_MODEL_MAP.gpt5Codex,
+    id: CODEX_MODEL_MAP.gpt51CodexMax,
-    label: 'GPT-5-Codex',
+    label: 'GPT-5.1-Codex-Max',
-    description: 'Purpose-built for Codex CLI (default for CLI users).',
+    description: 'Optimized for long-horizon, agentic coding tasks in Codex.',
-    badge: 'Balanced',
+    badge: 'Premium',
     provider: 'codex',
     hasReasoning: true,
   },
   {
-    id: CODEX_MODEL_MAP.gpt5CodexMini,
+    id: CODEX_MODEL_MAP.gpt51CodexMini,
-    label: 'GPT-5-Codex-Mini',
+    label: 'GPT-5.1-Codex-Mini',
-    description: 'Faster workflows for code Q&A and editing.',
+    description: 'Smaller, more cost-effective version for faster workflows.',
     badge: 'Speed',
     provider: 'codex',
     hasReasoning: false,
   },
   {
-    id: CODEX_MODEL_MAP.codex1,
+    id: CODEX_MODEL_MAP.gpt52,
-    label: 'Codex-1',
+    label: 'GPT-5.2',
-    description: 'o3-based model optimized for software engineering.',
+    description: 'Best general agentic model for tasks across industries and domains.',
-    badge: 'Premium',
+    badge: 'Balanced',
     provider: 'codex',
     hasReasoning: true,
   },
   {
-    id: CODEX_MODEL_MAP.codexMiniLatest,
+    id: CODEX_MODEL_MAP.gpt51,
-    label: 'Codex-Mini-Latest',
+    label: 'GPT-5.1',
-    description: 'o4-mini-based model for faster workflows.',
+    description: 'Great for coding and agentic tasks across domains.',
-    badge: 'Balanced',
-    provider: 'codex',
-    hasReasoning: false,
-  },
-  {
-    id: CODEX_MODEL_MAP.gpt5,
-    label: 'GPT-5',
-    description: 'GPT-5 base flagship model.',
     badge: 'Balanced',
     provider: 'codex',
     hasReasoning: true,
@@ -203,11 +195,10 @@ export function getModelDisplayName(model: ModelAlias | string): string {
     sonnet: 'Claude Sonnet',
     opus: 'Claude Opus',
     [CODEX_MODEL_MAP.gpt52Codex]: 'GPT-5.2-Codex',
-    [CODEX_MODEL_MAP.gpt5Codex]: 'GPT-5-Codex',
+    [CODEX_MODEL_MAP.gpt51CodexMax]: 'GPT-5.1-Codex-Max',
-    [CODEX_MODEL_MAP.gpt5CodexMini]: 'GPT-5-Codex-Mini',
+    [CODEX_MODEL_MAP.gpt51CodexMini]: 'GPT-5.1-Codex-Mini',
-    [CODEX_MODEL_MAP.codex1]: 'Codex-1',
+    [CODEX_MODEL_MAP.gpt52]: 'GPT-5.2',
-    [CODEX_MODEL_MAP.codexMiniLatest]: 'Codex-Mini-Latest',
+    [CODEX_MODEL_MAP.gpt51]: 'GPT-5.1',
-    [CODEX_MODEL_MAP.gpt5]: 'GPT-5',
   };
   return displayNames[model] || model;
 }

libs/types/src/model.ts

@@ -13,21 +13,19 @@ export const CLAUDE_MODEL_MAP: Record<string, string> = {
  * See: https://developers.openai.com/codex/models/
  */
 export const CODEX_MODEL_MAP = {
-  // Codex-specific models
+  // Recommended Codex-specific models
   /** Most advanced agentic coding model for complex software engineering (default for ChatGPT users) */
   gpt52Codex: 'gpt-5.2-codex',
-  /** Purpose-built for Codex CLI with versatile tool use (default for CLI users) */
+  /** Optimized for long-horizon, agentic coding tasks in Codex */
-  gpt5Codex: 'gpt-5-codex',
+  gpt51CodexMax: 'gpt-5.1-codex-max',
-  /** Faster workflows optimized for low-latency code Q&A and editing */
+  /** Smaller, more cost-effective version for faster workflows */
-  gpt5CodexMini: 'gpt-5-codex-mini',
+  gpt51CodexMini: 'gpt-5.1-codex-mini',
-  /** Version of o3 optimized for software engineering */
-  codex1: 'codex-1',
-  /** Version of o4-mini for Codex, optimized for faster workflows */
-  codexMiniLatest: 'codex-mini-latest',
 
-  // Base GPT-5 model (also available in Codex)
+  // General-purpose GPT models (also available in Codex)
-  /** GPT-5 base flagship model */
+  /** Best general agentic model for tasks across industries and domains */
-  gpt5: 'gpt-5',
+  gpt52: 'gpt-5.2',
+  /** Great for coding and agentic tasks across domains */
+  gpt51: 'gpt-5.1',
 } as const;
 
 export const CODEX_MODEL_IDS = Object.values(CODEX_MODEL_MAP);
@@ -38,9 +36,9 @@ export const CODEX_MODEL_IDS = Object.values(CODEX_MODEL_MAP);
  */
 export const REASONING_CAPABLE_MODELS = new Set([
   CODEX_MODEL_MAP.gpt52Codex,
-  CODEX_MODEL_MAP.gpt5Codex,
+  CODEX_MODEL_MAP.gpt51CodexMax,
-  CODEX_MODEL_MAP.gpt5,
+  CODEX_MODEL_MAP.gpt52,
-  CODEX_MODEL_MAP.codex1, // o3-based model
+  CODEX_MODEL_MAP.gpt51,
 ]);
 
 /**