gemini-robotics-er-1.6-preview shutdown date

gemini-robotics-er-1.6-preview shut down on 2026-08-31 per Google Gemini API's deprecation page (checked 2026-10-17). The official replacement is gemini-robotics-er-2-preview. The published context window changes from 131,072 tokens on gemini-robotics-er-1.6-preview to 131,072 tokens on gemini-robotics-er-2-preview.

Model page · Is gemini-robotics-er-1.6-preview being deprecated? · Google Gemini API · Deadlines

Sources

• Gemini API deprecations — checked 2026-10-17
• Gemini model docs — checked 2026-10-17