Breaking model
gemini-robotics-er-1.6-preview was shut down on the Gemini API on August 31, 2026. The replacement is gemini-robotics-er-2-preview.
What changes
Google announced the shutdown on July 30, 2026, when it released gemini-robotics-er-2-preview and gemini-robotics-er-2-streaming-preview. The deprecations page lists August 31, 2026 as the shutdown date and gemini-robotics-er-2-preview as the replacement.
Breaking: Calls fail after this date.
What to do
Switch to gemini-robotics-er-2-preview, or to gemini-robotics-er-2-streaming-preview over the Live API for real-time streaming. Re-test your robot action and function-calling flows.
Strings to search for
gemini-robotics-er-1.6-preview