3 files changed, 14 insertions, 10 deletions
diff --git a/packages/core/src/telemetry/loggers.test.ts b/packages/core/src/telemetry/loggers.test.ts
index 6ec73853..5b1cb707 100644
--- a/packages/core/src/telemetry/loggers.test.ts
+++ b/packages/core/src/telemetry/loggers.test.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import { ToolConfirmationOutcome } from '../index.js';
+import { AuthType, ToolConfirmationOutcome } from '../index.js';
 import { logs } from '@opentelemetry/api-logs';
 import { SemanticAttributes } from '@opentelemetry/semantic-conventions';
 import { Config } from '../config/config.js';
@@ -57,8 +57,7 @@ describe('loggers', () => {
         getContentGeneratorConfig: () => ({
           model: 'test-model',
           apiKey: 'test-api-key',
-          vertexai: true,
-          codeAssist: false,
+          authType: AuthType.USE_VERTEX_AI,
         }),
         getTelemetryLogPromptsEnabled: () => true,
         getFileFilteringRespectGitIgnore: () => true,
@@ -86,7 +85,6 @@ describe('loggers', () => {
           approval_mode: 'default',
           api_key_enabled: true,
           vertex_ai_enabled: true,
-          code_assist_enabled: false,
           log_user_prompts_enabled: true,
           file_filtering_respect_git_ignore: true,
           debug_mode: true,
diff --git a/packages/core/src/telemetry/loggers.ts b/packages/core/src/telemetry/loggers.ts
index 985e291c..76b91f7b 100644
--- a/packages/core/src/telemetry/loggers.ts
+++ b/packages/core/src/telemetry/loggers.ts
@@ -35,6 +35,7 @@ import {
   GenerateContentResponse,
   GenerateContentResponseUsageMetadata,
 } from '@google/genai';
+import { AuthType } from '../core/contentGenerator.js';
 
 const shouldLogUserPrompts = (config: Config): boolean =>
   config.getTelemetryLogPromptsEnabled() ?? false;
@@ -72,6 +73,14 @@ export function logCliConfiguration(config: Config): void {
   if (!isTelemetrySdkInitialized()) return;
 
   const generatorConfig = config.getContentGeneratorConfig();
+  let useGemini = false;
+  let useVertex = false;
+
+  if (generatorConfig && generatorConfig.authType) {
+    useGemini = generatorConfig.authType === AuthType.USE_GEMINI;
+    useVertex = generatorConfig.authType === AuthType.USE_VERTEX_AI;
+  }
+
   const mcpServers = config.getMcpServers();
   const attributes: LogAttributes = {
     ...getCommonAttributes(config),
@@ -82,9 +91,8 @@ export function logCliConfiguration(config: Config): void {
     sandbox_enabled: !!config.getSandbox(),
     core_tools_enabled: (config.getCoreTools() ?? []).join(','),
     approval_mode: config.getApprovalMode(),
-    api_key_enabled: !!generatorConfig.apiKey,
-    vertex_ai_enabled: !!generatorConfig.vertexai,
-    code_assist_enabled: !!generatorConfig.codeAssist,
+    api_key_enabled: useGemini || useVertex,
+    vertex_ai_enabled: useVertex,
     log_user_prompts_enabled: config.getTelemetryLogPromptsEnabled(),
     file_filtering_respect_git_ignore:
       config.getFileFilteringRespectGitIgnore(),
diff --git a/packages/core/src/telemetry/telemetry.test.ts b/packages/core/src/telemetry/telemetry.test.ts
index 7cd6f95f..97c96c64 100644
--- a/packages/core/src/telemetry/telemetry.test.ts
+++ b/packages/core/src/telemetry/telemetry.test.ts
@@ -27,9 +27,7 @@ describe('telemetry', () => {
 
     mockConfig = new Config({
       sessionId: 'test-session-id',
-      contentGeneratorConfig: {
-        model: 'test-model',
-      },
+      model: 'test-model',
       targetDir: '/test/dir',
       debugMode: false,
       cwd: '/test/dir',