models - update description for auto when no auth (#1162)

Author: bpasero

src/extension/conversation/vscode-node/languageModelAccess.ts

@@ -130,7 +130,11 @@ export class LanguageModelAccess extends Disposable implements IExtensionContrib
 			const sanitizedModelName = endpoint.name.replace(/\(Preview\)/g, '').trim();
 			let modelDescription: string | undefined;
 			if (endpoint.model === AutoChatEndpoint.id) {
-				modelDescription = localize('languageModel.autoTooltip', 'Auto selects the best model for your request based on capacity and performance. Counted at 0x-0.9x the request rate, depending on the model.');
+				if (this._authenticationService.copilotToken?.isNoAuthUser) {
+					modelDescription = localize('languageModel.autoTooltipNoAuth', 'Auto selects the best model for your request based on capacity and performance.');
+				} else {
+					modelDescription = localize('languageModel.autoTooltip', 'Auto selects the best model for your request based on capacity and performance. Counted at 0x-0.9x the request rate, depending on the model.');
+				}
 			} else if (endpoint.multiplier) {
 				modelDescription = localize('languageModel.costTooltip', '{0} ({1}) is counted at a {2}x rate.', sanitizedModelName, endpoint.version, endpoint.multiplier);
 			} else if (endpoint.isFallback && endpoint.multiplier === 0) {