diff --git a/packages/ai/test/openai-completions-tool-choice.test.ts b/packages/ai/test/openai-completions-tool-choice.test.ts
index e3fdf7b21..065bd4a22 100644
--- a/packages/ai/test/openai-completions-tool-choice.test.ts
+++ b/packages/ai/test/openai-completions-tool-choice.test.ts
@@ -1483,10 +1483,7 @@ describe("openai-completions tool_choice", () => {
 			name: "Custom Uppercase DeepSeek Model",
 			baseUrl: "https://API.DeepSeek.COM",
 		} satisfies Model<"openai-completions">;
-		const nativeModels = [
-			getModel("deepseek", "deepseek-v4-flash")!,
-			getModel("deepseek", "deepseek-v4-pro")!,
-		] as const;
+		const nativeModels = [getModel("deepseek", "deepseek-flash")!, getModel("deepseek", "deepseek-v4-pro")!] as const;
 		const cases = [...nativeModels, customModel, customUppercaseModel] as const;
 
 		for (const model of nativeModels) {
diff --git a/packages/ai/test/stream.test.ts b/packages/ai/test/stream.test.ts
index f20709912..8450b52bd 100644
--- a/packages/ai/test/stream.test.ts
+++ b/packages/ai/test/stream.test.ts
@@ -445,32 +445,29 @@ describe("Generate E2E Tests", () => {
 		});
 	});
 
-	describe.skipIf(!process.env.DEEPSEEK_API_KEY)(
-		"DeepSeek Provider (deepseek-v4-flash via OpenAI Completions)",
-		() => {
-			const llm = getModel("deepseek", "deepseek-v4-flash");
+	describe.skipIf(!process.env.DEEPSEEK_API_KEY)("DeepSeek Provider (deepseek-flash via OpenAI Completions)", () => {
+		const llm = getModel("deepseek", "deepseek-flash");
 
-			it("should complete basic text generation", { retry: 3 }, async () => {
-				await basicTextGeneration(llm);
-			});
+		it("should complete basic text generation", { retry: 3 }, async () => {
+			await basicTextGeneration(llm);
+		});
 
-			it("should handle tool calling", { retry: 3 }, async () => {
-				await handleToolCall(llm);
-			});
+		it("should handle tool calling", { retry: 3 }, async () => {
+			await handleToolCall(llm);
+		});
 
-			it("should handle streaming", { retry: 3 }, async () => {
-				await handleStreaming(llm);
-			});
+		it("should handle streaming", { retry: 3 }, async () => {
+			await handleStreaming(llm);
+		});
 
-			it("should handle thinking mode", { retry: 3 }, async () => {
-				await handleThinking(llm, { reasoningEffort: "high" });
-			});
+		it("should handle thinking mode", { retry: 3 }, async () => {
+			await handleThinking(llm, { reasoningEffort: "high" });
+		});
 
-			it("should handle multi-turn with thinking and tools", { retry: 3 }, async () => {
-				await multiTurn(llm, { reasoningEffort: "high" });
-			});
-		},
-	);
+		it("should handle multi-turn with thinking and tools", { retry: 3 }, async () => {
+			await multiTurn(llm, { reasoningEffort: "high" });
+		});
+	});
 
 	describe.skipIf(!process.env.OPENAI_API_KEY)("OpenAI Responses Provider (gpt-5.4)", () => {
 		const llm = getModel("openai", "gpt-5.4");
diff --git a/packages/ai/test/supports-xhigh.test.ts b/packages/ai/test/supports-xhigh.test.ts
index 4adc03166..a1e43c40b 100644
--- a/packages/ai/test/supports-xhigh.test.ts
+++ b/packages/ai/test/supports-xhigh.test.ts
@@ -82,8 +82,8 @@ describe("getSupportedThinkingLevels", () => {
 		expect(getSupportedThinkingLevels(model!)).toEqual(["medium", "high", "xhigh"]);
 	});
 
-	it("includes low/high/max plus off for DeepSeek V4 Flash on the DeepSeek provider", () => {
-		const model = getModel("deepseek", "deepseek-v4-flash");
+	it("includes low/high/max plus off for DeepSeek V4.1 Flash on the DeepSeek provider", () => {
+		const model = getModel("deepseek", "deepseek-flash");
 		expect(model).toBeDefined();
 		expect(getSupportedThinkingLevels(model!)).toEqual(["off", "low", "high", "max"]);
 	});