diff --git a/packages/ai/CHANGELOG.md b/packages/ai/CHANGELOG.md
index 86fd7ad3..413a8729 100644
--- a/packages/ai/CHANGELOG.md
+++ b/packages/ai/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+### Added
+
+- Added `gpt-5.2-codex` to OpenAI provider model list.
+
 ### Fixed
 
 - Fixed signature support for non-Anthropic models in Amazon Bedrock provider ([#727](https://github.com/badlogic/pi-mono/pull/727) by [@unexge](https://github.com/unexge))
diff --git a/packages/ai/scripts/generate-models.ts b/packages/ai/scripts/generate-models.ts
index 41e34de4..bcdefe9a 100644
--- a/packages/ai/scripts/generate-models.ts
+++ b/packages/ai/scripts/generate-models.ts
@@ -689,6 +689,26 @@ async function generateModels() {
 		});
 	}
 
+	if (!allModels.some(m => m.provider === "openai" && m.id === "gpt-5.2-codex")) {
+		allModels.push({
+			id: "gpt-5.2-codex",
+			name: "GPT-5.2 Codex",
+			api: "openai-responses",
+			baseUrl: "https://api.openai.com/v1",
+			provider: "openai",
+			reasoning: true,
+			input: ["text", "image"],
+			cost: {
+				input: 1.75,
+				output: 14,
+				cacheRead: 0.175,
+				cacheWrite: 0,
+			},
+			contextWindow: 400000,
+			maxTokens: 128000,
+		});
+	}
+
 	// OpenAI Codex (ChatGPT OAuth) models
 	// NOTE: These are not fetched from models.dev; we keep a small, explicit list to avoid aliases.
 	// Context window is based on observed server limits (400s above ~272k), not marketing numbers.
diff --git a/packages/ai/src/models.generated.ts b/packages/ai/src/models.generated.ts
index 78945672..ead1c1c1 100644
--- a/packages/ai/src/models.generated.ts
+++ b/packages/ai/src/models.generated.ts
@@ -3645,6 +3645,23 @@ export const MODELS = {
 			contextWindow: 128000,
 			maxTokens: 16384,
 		} satisfies Model<"openai-responses">,
+		"gpt-5.2-codex": {
+			id: "gpt-5.2-codex",
+			name: "GPT-5.2 Codex",
+			api: "openai-responses",
+			provider: "openai",
+			baseUrl: "https://api.openai.com/v1",
+			reasoning: true,
+			input: ["text", "image"],
+			cost: {
+				input: 1.75,
+				output: 14,
+				cacheRead: 0.175,
+				cacheWrite: 0,
+			},
+			contextWindow: 400000,
+			maxTokens: 128000,
+		} satisfies Model<"openai-responses">,
 		"gpt-5.2-pro": {
 			id: "gpt-5.2-pro",
 			name: "GPT-5.2 Pro",
@@ -4535,23 +4552,6 @@ export const MODELS = {
 			contextWindow: 200000,
 			maxTokens: 8192,
 		} satisfies Model<"openai-completions">,
-		"anthropic/claude-3.5-haiku-20241022": {
-			id: "anthropic/claude-3.5-haiku-20241022",
-			name: "Anthropic: Claude 3.5 Haiku (2024-10-22)",
-			api: "openai-completions",
-			provider: "openrouter",
-			baseUrl: "https://openrouter.ai/api/v1",
-			reasoning: false,
-			input: ["text", "image"],
-			cost: {
-				input: 0.7999999999999999,
-				output: 4,
-				cacheRead: 0.08,
-				cacheWrite: 1,
-			},
-			contextWindow: 200000,
-			maxTokens: 8192,
-		} satisfies Model<"openai-completions">,
 		"anthropic/claude-3.5-sonnet": {
 			id: "anthropic/claude-3.5-sonnet",
 			name: "Anthropic: Claude 3.5 Sonnet",
@@ -6932,6 +6932,23 @@ export const MODELS = {
 			contextWindow: 128000,
 			maxTokens: 16384,
 		} satisfies Model<"openai-completions">,
+		"openai/gpt-5.2-codex": {
+			id: "openai/gpt-5.2-codex",
+			name: "OpenAI: GPT-5.2-Codex",
+			api: "openai-completions",
+			provider: "openrouter",
+			baseUrl: "https://openrouter.ai/api/v1",
+			reasoning: true,
+			input: ["text", "image"],
+			cost: {
+				input: 1.75,
+				output: 14,
+				cacheRead: 0.175,
+				cacheWrite: 0,
+			},
+			contextWindow: 400000,
+			maxTokens: 128000,
+		} satisfies Model<"openai-completions">,
 		"openai/gpt-5.2-pro": {
 			id: "openai/gpt-5.2-pro",
 			name: "OpenAI: GPT-5.2 Pro",
@@ -9773,6 +9790,23 @@ export const MODELS = {
 			contextWindow: 128000,
 			maxTokens: 16384,
 		} satisfies Model<"anthropic-messages">,
+		"openai/gpt-5.2-codex": {
+			id: "openai/gpt-5.2-codex",
+			name: "GPT-5.2-Codex",
+			api: "anthropic-messages",
+			provider: "vercel-ai-gateway",
+			baseUrl: "https://ai-gateway.vercel.sh",
+			reasoning: true,
+			input: ["text", "image"],
+			cost: {
+				input: 1.75,
+				output: 14,
+				cacheRead: 0.175,
+				cacheWrite: 0,
+			},
+			contextWindow: 400000,
+			maxTokens: 128000,
+		} satisfies Model<"anthropic-messages">,
 		"openai/gpt-5.2-pro": {
 			id: "openai/gpt-5.2-pro",
 			name: "GPT 5.2 ",
diff --git a/packages/ai/src/models.ts b/packages/ai/src/models.ts
index b6c91565..7edb01e0 100644
--- a/packages/ai/src/models.ts
+++ b/packages/ai/src/models.ts
@@ -12,12 +12,17 @@ for (const [provider, models] of Object.entries(MODELS)) {
 	modelRegistry.set(provider, providerModels);
 }
 
-type ModelApi<
-	TProvider extends KnownProvider,
-	TModelId extends keyof (typeof MODELS)[TProvider],
-> = (typeof MODELS)[TProvider][TModelId] extends { api: infer TApi } ? (TApi extends Api ? TApi : never) : never;
+type ModelApi<TProvider extends KnownProvider, TModelId extends string> = TProvider extends keyof typeof MODELS
+	? TModelId extends keyof (typeof MODELS)[TProvider]
+		? (typeof MODELS)[TProvider][TModelId] extends { api: infer TApi }
+			? TApi extends Api
+				? TApi
+				: Api
+			: Api
+		: Api
+	: Api;
 
-export function getModel<TProvider extends KnownProvider, TModelId extends keyof (typeof MODELS)[TProvider]>(
+export function getModel<TProvider extends KnownProvider, TModelId extends string>(
 	provider: TProvider,
 	modelId: TModelId,
 ): Model<ModelApi<TProvider, TModelId>> {
@@ -29,11 +34,9 @@ export function getProviders(): KnownProvider[] {
 	return Array.from(modelRegistry.keys()) as KnownProvider[];
 }
 
-export function getModels<TProvider extends KnownProvider>(
-	provider: TProvider,
-): Model<ModelApi<TProvider, keyof (typeof MODELS)[TProvider]>>[] {
+export function getModels<TProvider extends KnownProvider>(provider: TProvider): Model<ModelApi<TProvider, string>>[] {
 	const models = modelRegistry.get(provider);
-	return models ? (Array.from(models.values()) as Model<ModelApi<TProvider, keyof (typeof MODELS)[TProvider]>>[]) : [];
+	return models ? (Array.from(models.values()) as Model<ModelApi<TProvider, string>>[]) : [];
 }
 
 export function calculateCost<TApi extends Api>(model: Model<TApi>, usage: Usage): Usage["cost"] {