diff --git a/packages/models/src/models/alibaba.ts b/packages/models/src/models/alibaba.ts
index 109c995ed0..572887a255 100644
--- a/packages/models/src/models/alibaba.ts
+++ b/packages/models/src/models/alibaba.ts
@@ -264,6 +264,7 @@ export const alibabaModels = [
 				streaming: true,
 				vision: false,
 				tools: true,
+				stability: "unstable",
 			},
 		],
 		jsonOutput: true,
diff --git a/packages/models/src/models/deepseek.ts b/packages/models/src/models/deepseek.ts
index 4b44cf337a..0e27d7becd 100644
--- a/packages/models/src/models/deepseek.ts
+++ b/packages/models/src/models/deepseek.ts
@@ -54,6 +54,19 @@ export const deepseekModels = [
 				vision: false,
 				tools: false,
 			},
+			{
+				providerId: "routeway-discount",
+				modelName: "deepseek-reasoner",
+				inputPrice: 0.55 / 1e6,
+				outputPrice: 2.19 / 1e6,
+				discount: parseFloat(process.env.ROUTEWAY_PAID_DISCOUNT || "1"),
+				requestPrice: 0,
+				contextSize: 64000,
+				maxOutput: undefined,
+				streaming: true,
+				vision: false,
+				tools: false,
+			},
 		],
 		jsonOutput: false,
 	},
@@ -148,6 +161,20 @@ export const deepseekModels = [
 				vision: true,
 				tools: true,
 			},
+			{
+				providerId: "routeway-discount",
+				modelName: "deepseek-chat",
+				inputPrice: 0.56 / 1e6,
+				outputPrice: 1.68 / 1e6,
+				cachedInputPrice: 0.07 / 1e6,
+				discount: parseFloat(process.env.ROUTEWAY_PAID_DISCOUNT || "1"),
+				requestPrice: 0,
+				contextSize: 128000,
+				maxOutput: undefined,
+				streaming: true,
+				vision: true,
+				tools: true,
+			},
 		],
 		jsonOutput: false,
 	},
diff --git a/packages/models/src/models/google.ts b/packages/models/src/models/google.ts
index 61d3bfab6d..ea22be8c45 100644
--- a/packages/models/src/models/google.ts
+++ b/packages/models/src/models/google.ts
@@ -20,6 +20,19 @@ export const googleModels = [
 				vision: true,
 				tools: true,
 			},
+			{
+				providerId: "routeway-discount",
+				modelName: "gemini-2.5-pro",
+				inputPrice: 1.25 / 1e6,
+				outputPrice: 10.0 / 1e6,
+				discount: parseFloat(process.env.ROUTEWAY_PAID_DISCOUNT || "1"),
+				requestPrice: 0,
+				contextSize: 1000000,
+				maxOutput: undefined,
+				streaming: true,
+				vision: true,
+				tools: true,
+			},
 		],
 	},
 	{
@@ -128,6 +141,20 @@ export const googleModels = [
 				vision: true,
 				tools: true,
 			},
+			{
+				providerId: "routeway-discount",
+				modelName: "gemini-2.5-flash",
+				inputPrice: 0.3 / 1e6,
+				outputPrice: 2.5 / 1e6,
+				cachedInputPrice: 0.075 / 1e6,
+				discount: parseFloat(process.env.ROUTEWAY_PAID_DISCOUNT || "1"),
+				requestPrice: 0,
+				contextSize: 1000000,
+				maxOutput: undefined,
+				streaming: true,
+				vision: true,
+				tools: true,
+			},
 		],
 	},
 	{
@@ -150,6 +177,20 @@ export const googleModels = [
 				vision: true,
 				tools: true,
 			},
+			{
+				providerId: "routeway-discount",
+				modelName: "gemini-2.5-flash-lite",
+				inputPrice: 0.1 / 1e6,
+				outputPrice: 0.4 / 1e6,
+				cachedInputPrice: 0.025 / 1e6,
+				discount: parseFloat(process.env.ROUTEWAY_PAID_DISCOUNT || "1"),
+				requestPrice: 0,
+				contextSize: 1000000,
+				maxOutput: undefined,
+				streaming: true,
+				vision: true,
+				tools: true,
+			},
 		],
 	},
 	{
diff --git a/packages/models/src/models/openai.ts b/packages/models/src/models/openai.ts
index d34432809f..1a40f5ad73 100644
--- a/packages/models/src/models/openai.ts
+++ b/packages/models/src/models/openai.ts
@@ -364,6 +364,31 @@ export const openaiModels = [
 					"tool_choice",
 				],
 			},
+			{
+				providerId: "routeway-discount",
+				modelName: "gpt-5",
+				inputPrice: 1.25 / 1e6,
+				outputPrice: 10.0 / 1e6,
+				cachedInputPrice: 0.125 / 1e6,
+				discount: parseFloat(process.env.ROUTEWAY_PAID_DISCOUNT || "1"),
+				requestPrice: 0,
+				contextSize: 400000,
+				maxOutput: 128000,
+				reasoning: true,
+				reasoningOutput: "omit",
+				streaming: true,
+				vision: true,
+				tools: true,
+				supportedParameters: [
+					"temperature",
+					"top_p",
+					"frequency_penalty",
+					"presence_penalty",
+					"response_format",
+					"tools",
+					"tool_choice",
+				],
+			},
 		],
 		jsonOutput: true,
 	},
@@ -397,6 +422,31 @@ export const openaiModels = [
 					"tool_choice",
 				],
 			},
+			{
+				providerId: "routeway-discount",
+				modelName: "gpt-5-mini",
+				inputPrice: 0.25 / 1e6,
+				outputPrice: 2 / 1e6,
+				cachedInputPrice: 0.025 / 1e6,
+				discount: parseFloat(process.env.ROUTEWAY_PAID_DISCOUNT || "1"),
+				requestPrice: 0,
+				contextSize: 400000,
+				maxOutput: 128000,
+				reasoning: true,
+				reasoningOutput: "omit",
+				streaming: true,
+				vision: true,
+				tools: true,
+				supportedParameters: [
+					"temperature",
+					"top_p",
+					"frequency_penalty",
+					"presence_penalty",
+					"response_format",
+					"tools",
+					"tool_choice",
+				],
+			},
 		],
 		jsonOutput: true,
 	},
@@ -430,6 +480,31 @@ export const openaiModels = [
 					"tool_choice",
 				],
 			},
+			{
+				providerId: "routeway-discount",
+				modelName: "gpt-5-nano",
+				inputPrice: 0.05 / 1e6,
+				outputPrice: 0.4 / 1e6,
+				cachedInputPrice: 0.005 / 1e6,
+				discount: parseFloat(process.env.ROUTEWAY_PAID_DISCOUNT || "1"),
+				requestPrice: 0,
+				contextSize: 400000,
+				maxOutput: 128000,
+				reasoning: true,
+				reasoningOutput: "omit",
+				streaming: true,
+				vision: false,
+				tools: true,
+				supportedParameters: [
+					"temperature",
+					"top_p",
+					"frequency_penalty",
+					"presence_penalty",
+					"response_format",
+					"tools",
+					"tool_choice",
+				],
+			},
 		],
 		jsonOutput: true,
 	},
diff --git a/packages/models/src/prepare-request-body.ts b/packages/models/src/prepare-request-body.ts
index 2e7b2e0d56..d0808e4d9e 100644
--- a/packages/models/src/prepare-request-body.ts
+++ b/packages/models/src/prepare-request-body.ts
@@ -218,8 +218,11 @@ export async function prepareRequestBody(
 				};
 			}
 			if (response_format) {
-				// Override json_object to json for routeway-discount
-				if (response_format.type === "json_object") {
+				// Override json_object to json for routeway-discount only for claude models
+				if (
+					response_format.type === "json_object" &&
+					usedModel.startsWith("claude-")
+				) {
 					requestBody.response_format = {
 						...response_format,
 						type: "json",
diff --git a/packages/models/src/testing.ts b/packages/models/src/testing.ts
index 33d1e868e7..6d001b85df 100644
--- a/packages/models/src/testing.ts
+++ b/packages/models/src/testing.ts
@@ -1,6 +1,6 @@
-import { models } from "@/models.js";
+import { models } from "./models.js";
 
-import type { ProviderModelMapping } from "@/models.js";
+import type { ProviderModelMapping } from "./models.js";
 import type { TestOptions } from "vitest";
 
 /**
@@ -28,5 +28,8 @@ export function getTestOptions(
 export function getConcurrentTestOptions(opts?: {
 	completions?: boolean;
 }): TestOptions {
-	return { concurrent: true, ...getTestOptions(opts) };
+	return {
+		concurrent: process.env.CONCURRENT_TESTS !== "false",
+		...getTestOptions(opts),
+	};
 }