feat: add gpt-5.2 model to openai-native provider (#10024)

Author: hannesrudolph

packages/types/src/providers/openai.ts

@@ -3,7 +3,7 @@ import type { ModelInfo } from "../model.js"
 // https://openai.com/api/pricing/
 export type OpenAiNativeModelId = keyof typeof openAiNativeModels
 
-export const openAiNativeDefaultModelId: OpenAiNativeModelId = "gpt-5.1"
+export const openAiNativeDefaultModelId: OpenAiNativeModelId = "gpt-5.1-codex-max"
 
 export const openAiNativeModels = {
 	"gpt-5.1-codex-max": {
@@ -16,7 +16,7 @@ export const openAiNativeModels = {
 		supportsPromptCache: true,
 		promptCacheRetention: "24h",
 		supportsReasoningEffort: ["low", "medium", "high", "xhigh"],
-		reasoningEffort: "medium",
+		reasoningEffort: "xhigh",
 		inputPrice: 1.25,
 		outputPrice: 10.0,
 		cacheReadsPrice: 0.125,
@@ -25,6 +25,41 @@ export const openAiNativeModels = {
 		description:
 			"GPT-5.1 Codex Max: Our most intelligent coding model optimized for long-horizon, agentic coding tasks",
 	},
+	"gpt-5.2": {
+		maxTokens: 128000,
+		contextWindow: 400000,
+		supportsNativeTools: true,
+		includedTools: ["apply_patch"],
+		excludedTools: ["apply_diff", "write_to_file"],
+		supportsImages: true,
+		supportsPromptCache: true,
+		promptCacheRetention: "24h",
+		supportsReasoningEffort: ["none", "low", "medium", "high", "xhigh"],
+		reasoningEffort: "medium",
+		inputPrice: 1.75,
+		outputPrice: 14.0,
+		cacheReadsPrice: 0.175,
+		supportsVerbosity: true,
+		supportsTemperature: false,
+		tiers: [
+			{ name: "flex", contextWindow: 400000, inputPrice: 0.875, outputPrice: 7.0, cacheReadsPrice: 0.0875 },
+			{ name: "priority", contextWindow: 400000, inputPrice: 3.5, outputPrice: 28.0, cacheReadsPrice: 0.35 },
+		],
+		description: "GPT-5.2: Our flagship model for coding and agentic tasks across industries",
+	},
+	"gpt-5.2-chat-latest": {
+		maxTokens: 16_384,
+		contextWindow: 128_000,
+		supportsNativeTools: true,
+		includedTools: ["apply_patch"],
+		excludedTools: ["apply_diff", "write_to_file"],
+		supportsImages: true,
+		supportsPromptCache: true,
+		inputPrice: 1.75,
+		outputPrice: 14.0,
+		cacheReadsPrice: 0.175,
+		description: "GPT-5.2 Chat: Optimized for conversational AI and chat use cases",
+	},
 	"gpt-5.1": {
 		maxTokens: 128000,
 		contextWindow: 400000,

src/api/providers/__tests__/openai-native.spec.ts

@@ -205,7 +205,7 @@ describe("OpenAiNativeHandler", () => {
 				openAiNativeApiKey: "test-api-key",
 			})
 			const modelInfo = handlerWithoutModel.getModel()
-			expect(modelInfo.id).toBe("gpt-5.1") // Default model
+			expect(modelInfo.id).toBe("gpt-5.1-codex-max") // Default model
 			expect(modelInfo.info).toBeDefined()
 		})
 	})