One Line, Any Model: Multi-Provider Agents in Google ADK via LiteLLM

Google ADK's built-in LiteLLM integration allows developers to use models like Claude and GPT-4o instead of Gemini without changing agent architecture. A DevOps assistant built with Claude Haiku demonstrates this multi-provider capability, addressing client needs for model flexibility in production systems.

Member-only story One Line, Any Model: Multi-Provider Agents in Google ADK via LiteLLM All Code Examples:: GitHub Repository https://github.com/pranavdhopey/ADK-Agent-Basics.git TL;DR:Google ADK doesn’t lock you into Gemini. Using the built-in LiteLLM integration, you can drop in Claude, GPT-4o, or basically any model with a LiteLLM provider prefix — without touching your agent architecture. In this part, we swap Gemini for Claude Haiku and build a DevOps assistant to prove it. Enjoy free access via this friend link /fe88acee24d8?sk=94923afbbaf2a6286b11cc649d330714 — no membership required. Why Would You Even Want a Non-Gemini Model in ADK? Here’s a scenario I run into a lot: a client’s DevOps team is standardized on Claude across their tooling — maybe it’s already wired into their IDE, their code review bots, their internal chat assistant — and now they want an ADK agent for troubleshooting infrastructure issues. Telling them “sure, but you’ll need to use Gemini for this one” is a hard sell, and honestly, it shouldn’t be necessary. Gemini is fast, cheap at scale, and deeply integrated with the rest of the Google Cloud ecosystem — I use it as the default in most of my agents for exactly those reasons. But “default” isn’t “only option,” and production systems rarely stay single-vendor forever. Sometimes it’s a client mandate. Sometimes you want to A/B a reasoning-heavy task across…