gemini-2.5-flash-lite shutdown date

gemini-2.5-flash-lite shuts down on 2026-10-20 per Google Vertex AI's deprecation page (checked 2026-10-17). The official replacement is gemini-3.8-flash. Published on the official docs: context window 1,048,576 tokens, max output 65,536 tokens.

Model page · Is gemini-2.5-flash-lite being deprecated? · Google Vertex AI · Deadlines

Sources

• Vertex AI model versions — checked 2026-10-17
• Vertex model docs — checked 2026-10-17