# How to Evaluate Live & Voice Agents in ADK

DevFeed: [How to Evaluate Live & Voice Agents in ADK](<https://devfeed.tech/articles/how-to-evaluate-live-voice-agents-in-adk-4212.md>)

Original publisher: [Read original article](<https://developers.googleblog.com/how-to-evaluate-live-voice-agents-in-adk/>)

Author: Stephen Allen

Published: 2026-09-12T11:04:33.891311Z

Content type: tutorial

Language: en

Sources: [Google Developers Blog](<https://devfeed.tech/sources/google-developers-blog.md>)

Topics: [AI Bots](<https://devfeed.tech/topics/ai-bots.md>), [CI/CD](<https://devfeed.tech/topics/cicd.md>)

Tags: [agents](<https://devfeed.tech/tags/agents.md>), [audio](<https://devfeed.tech/tags/audio.md>), [ci-cd](<https://devfeed.tech/tags/ci-cd.md>), [cli](<https://devfeed.tech/tags/cli.md>), [evaluation](<https://devfeed.tech/tags/evaluation.md>), [gemini](<https://devfeed.tech/tags/gemini.md>), [how-to](<https://devfeed.tech/tags/how-to.md>), [json](<https://devfeed.tech/tags/json.md>), [llm](<https://devfeed.tech/tags/llm.md>), [production](<https://devfeed.tech/tags/production.md>), [testing](<https://devfeed.tech/tags/testing.md>), [tool](<https://devfeed.tech/tags/tool.md>), [tools](<https://devfeed.tech/tags/tools.md>), [transcripts](<https://devfeed.tech/tags/transcripts.md>), [voice](<https://devfeed.tech/tags/voice.md>), [workflows](<https://devfeed.tech/tags/workflows.md>)

## AI overview

The article explains how to evaluate live voice agents in ADK with simulated audio conversations, automated scoring, and recorded results. It covers scenario-based and fixed-conversation test cases, multi-agent workflows, and running evaluations in CI/CD.

## Source excerpt

Moving live voice agents from demo to production requires rigorous, automated testing to handle the unpredictability of real multi-turn conversations. ADK now provides native live evaluation, allowing developers to test graph-based agent workflows against LLM-driven simulated users that generate actual audio via Gemini TTS. By defining evaluation scenarios and natural-language rubrics, you can automatically score audio responses and tool executions, inspect the resulting transcripts in ADK Web, or run the CLI directly in your CI/CD pipeline.