fix: model list

packages/opencode/src/plugin/codex.ts

@@ -263,6 +263,40 @@ export async function CodexAuthPlugin(input: PluginInput): Promise<Hooks> {
         const auth = await getAuth()
         if (auth.type !== "oauth") return {}
 
+        // Filter models to only allowed Codex models for OAuth
+        const allowedModels = new Set(["gpt-5.1-codex-max", "gpt-5.1-codex-mini", "gpt-5.2", "gpt-5.2-codex"])
+        for (const modelId of Object.keys(provider.models)) {
+          if (!allowedModels.has(modelId)) {
+            delete provider.models[modelId]
+          }
+        }
+
+        if (!provider.models["gpt-5.2-codex"]) {
+          provider.models["gpt-5.2-codex"] = {
+            id: "gpt-5.2-codex",
+            providerID: "openai",
+            api: {
+              id: "gpt-5.2-codex",
+              url: "https://chatgpt.com/backend-api/codex",
+              npm: "@ai-sdk/openai",
+            },
+            name: "GPT-5.2 Codex",
+            capabilities: {
+              temperature: false,
+              reasoning: true,
+              attachment: true,
+              toolcall: true,
+              input: { text: true, audio: false, image: true, video: false, pdf: false },
+              output: { text: true, audio: false, image: false, video: false, pdf: false },
+            },
+            cost: { input: 0, output: 0, cache: { read: 0, write: 0 } },
+            limit: { context: 400000, output: 128000 },
+            status: "active",
+            options: {},
+            headers: {},
+          }
+        }
+
         // Zero out costs for Codex (included with ChatGPT subscription)
         for (const model of Object.values(provider.models)) {
           model.cost = {