fix(coding-agent): remove Vercel AI Gateway attribution

packages/coding-agent/CHANGELOG.md

@@ -17,6 +17,10 @@
 - Fixed custom session entries appended during assistant streaming to render before the live assistant message, matching persisted session order.
 - Fixed oversized bash tool timeouts to fail with a clear validation error instead of being clamped to an immediate timeout ([#6181](https://github.com/earendil-works/pi/issues/6181)).
 
+### Removed
+
+- Removed default attribution headers from Vercel AI Gateway requests.
+
 ## [0.80.3] - 2026-06-30
 
 ### New Features

packages/coding-agent/src/core/provider-attribution.ts

@@ -7,7 +7,6 @@ const NVIDIA_NIM_HOST = "integrate.api.nvidia.com";
 const CLOUDFLARE_API_HOST = "api.cloudflare.com";
 const CLOUDFLARE_AI_GATEWAY_HOST = "gateway.ai.cloudflare.com";
 const OPENCODE_HOST = "opencode.ai";
-const VERCEL_GATEWAY_HOST = "ai-gateway.vercel.sh";
 
 function matchesHost(baseUrl: string, expectedHost: string): boolean {
 	try {
@@ -34,10 +33,6 @@ function isCloudflareModel(model: Model<Api>): boolean {
 	);
 }
 
-function isVercelGatewayModel(model: Model<Api>): boolean {
-	return model.provider === "vercel-ai-gateway" || matchesHost(model.baseUrl, VERCEL_GATEWAY_HOST);
-}
-
 function getDefaultAttributionHeaders(
 	model: Model<Api>,
 	settingsManager: SettingsManager,
@@ -66,13 +61,6 @@ function getDefaultAttributionHeaders(
 		};
 	}
 
-	if (isVercelGatewayModel(model)) {
-		return {
-			"http-referer": "https://pi.dev",
-			"x-title": "pi",
-		};
-	}
-
 	return undefined;
 }
 

packages/coding-agent/test/sdk-openrouter-attribution.test.ts

@@ -197,13 +197,6 @@ describe("createAgentSession provider attribution headers", () => {
 		expect(headers?.["X-OpenRouter-Categories"]).toBe("provider-category");
 	});
 
-	it("adds default attribution headers for Vercel AI Gateway models", async () => {
-		const headers = await captureHeaders(createModel("vercel-ai-gateway", "https://ai-gateway.vercel.sh/v1"));
-
-		expect(headers?.["http-referer"]).toBe("https://pi.dev");
-		expect(headers?.["x-title"]).toBe("pi");
-	});
-
 	it("adds default attribution headers for direct NVIDIA NIM endpoints", async () => {
 		const headers = await captureHeaders(createModel("custom-nim", "https://integrate.api.nvidia.com/v1"));