Google DeepMind put a retirement notice on chat-bison, reading "May 2023 | April 21, 2025 | gemini-2.5-flash-lite".

Google DeepMindDEPRECATIONADDEDTHU OCT 8, 17:03

The line, as the page carries it

+chat-bison: "May 2023 | April 21, 2025 | gemini-2.5-flash-lite"

The record

DOCUMENThttps://docs.cloud.google.com/gemini-enterprise-agent-platform/models/model-versions
SOURCEgdm-model-versions
ROWchat-bison
OPERATIONadded
BEFORENothing was recorded because the row did not exist.
AFTERMay 2023 | April 21, 2025 | gemini-2.5-flash-lite
READ AT2026-10-08T17:03:38.744Z
SIGNALSdate, modelId

What went out

  • BLUESKY2026-10-08 19:08Google DeepMind’s Google Cloud model-versions page added chat-bison with “May 2023 | April 21, 2025 | gemini-2.5-flash-lite” and removed text-bison, textembedding-gecko-multilingual@001, and textembedding-gecko@003 *. #TechBluesky

When a lab changes a document

The engine refetches every registered document on a schedule and files the line that moved. Model cards, system cards, pricing pages, API changelogs and deprecation notices all change without an announcement. Leave an address and Context Window writes when one does.