docs(examples/openai): add OpenAI model integration sample - #1184
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July 21, 2026 22:11
Adds a runnable example showing an ADK llmagent backed by the OpenAI model from #1178 (openaimodel.NewModel) instead of Gemini. The only difference from the Gemini quickstart is the model constructor; agents, the functiontool, the runner, and the launcher are unchanged. The sample registers a get_weather function tool to exercise OpenAI tool calling, defaults to gpt-4o-mini, and supports OpenAI-compatible endpoints via OPENAI_BASE_URL. A README follows the examples/workflow sample layout.
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Problem
adk-go gains native OpenAI model support in #1178, but there's no runnable
example showing how to use it. Every existing example (quickstart, tools,
multiagent, workflow) is wired to Gemini, so a newcomer has no reference for
plugging a non-Gemini model into an agent. adk-python documents this path via
the LiteLLM wrapper (
LlmAgent(model=LiteLlm(model="openai/gpt-4o"))); adk-gohas had no equivalent sample.
Summary
Adds
examples/openai/— a runnable sample (README + code) built on #1178:llmagentbacked byopenaimodel.NewModel(...)instead of Gemini. Agents,the
functiontool, the runner, and the launcher are identical to the Geminiquickstart — the model constructor is the only difference, which is the point
the sample makes.
get_weatherfunction tool to exercise OpenAI tool callingend-to-end.
gpt-4o-mini(override withOPENAI_MODEL), readsOPENAI_API_KEY, and supports OpenAI-compatible endpoints (Ollama, LM Studio,vLLM, …) via
OPENAI_BASE_URL.examples/workflowsample layout: concept, goal, configtable, run instructions, example session, and a note on the unsupported
GenerateContentConfigknobs.