README.md

Hello World — Gemma 3

This sample demonstrates using Gemma 3 models with ADK via the Gemma class. The Gemma class provides workarounds for Gemma 3's lack of native function calling and system instruction support.

When to use this

Use this approach for Gemma 3 models only. For Gemma 4 and later, use the standard Gemini class directly — see the hello_world_gemma4/ sample.

Running this sample

# From the repository root
adk run contributing/samples/hello_world_gemma

# Or via the web UI
adk web contributing/samples

Related samples

• hello_world_gemma4/ — Gemma 4 via standard Gemini class (recommended for Gemma 4+)
• hello_world_gemma3_ollama/ — Gemma 3 via Ollama