---
title: "Google Vertex AI API changes, deprecations and deadlines | Harbyn"
description: "Google Vertex AI: 5 upcoming deadlines and 7 recorded changes as of 2026-10-25, each with its source."
canonical: "https://harbyn.com/vendors/vertex-ai"
last-updated: 2026-10-13
---

# Google Vertex AI: API changes and deadlines

Markdown version of <https://harbyn.com/vendors/vertex-ai>.

AI models and APIs. 5 upcoming deadlines, 7 recorded changes. Every entry cites the Google Vertex AI page we read it from.

## What we read

The Google Vertex AI pages and feeds our ingestion visits, politely and on a schedule.

- **Deprecations**: <https://docs.cloud.google.com/gemini-enterprise-agent-platform/models/model-versions>
- **Changelog**: <https://api.github.com/advisories?affects=@google-cloud/vertexai,@ai-sdk/google-vertex,google-cloud-aiplatform,langchain-google-vertexai&per_page=20&sort=published&direction=desc>

## What the scanner looks for

How `harbyn scan` recognises Google Vertex AI in a repository, on your machine. Nothing leaves it.

- **Packages**: `npm @google-cloud/vertexai`, `npm @ai-sdk/google-vertex`, `pypi google-cloud-aiplatform`, `pypi langchain-google-vertexai`
- **API hosts**: `aiplatform.googleapis.com`

## Upcoming deadlines

| Deadline | Change | Use instead | Details | Source |
| --- | --- | --- | --- | --- |
| Nov 19, 2026 | gemini-3.6-flash retires on November 19, 2026 | `gemini-3.8-flash` | <https://harbyn.com/changes/vertex-ai/2026-10-09-gemini-3-6-flash-scheduled-for-retirement.md> | <https://docs.cloud.google.com/gemini-enterprise-agent-platform/models/model-versions> |
| Dec 13, 2026 | gemini-live-2.5-flash-native-audio retires on December 13, 2026 | - | <https://harbyn.com/changes/vertex-ai/2026-10-09-gemini-live-2-5-flash-native-audio-scheduled-for-retirement.md> | <https://docs.cloud.google.com/gemini-enterprise-agent-platform/models/model-versions> |
| Jan 28, 2027 | gemini-3.7-flash retires on January 28, 2027 | `gemini-3.8-flash` | <https://harbyn.com/changes/vertex-ai/2026-10-09-gemini-3-7-flash-scheduled-for-retirement.md> | <https://docs.cloud.google.com/gemini-enterprise-agent-platform/models/model-versions> |
| Mar 15, 2027 | gemini-2.5-flash-image retires on March 15, 2027 | `gemini-3.1-flash-lite-image` | <https://harbyn.com/changes/vertex-ai/2026-10-09-gemini-2-5-flash-image-scheduled-for-retirement.md> | <https://docs.cloud.google.com/gemini-enterprise-agent-platform/models/model-versions> |
| Apr 1, 2027 | text-embedding-004/005, text-multilingual-embedding-002 and multimodalembedding@001 retire on 2027-04-01 | - | <https://harbyn.com/changes/vertex-ai/2026-10-09-embedding-models-scheduled-for-retirement.md> | <https://docs.cloud.google.com/gemini-enterprise-agent-platform/models/model-versions> |

## Change history

Newest first, by the date Google Vertex AI announced it. This is the archive: past changes are not warnings, and changes we recorded after they took effect are marked as such.

### October 2026

- Oct 13, 2026, Feature: [Gemini 4 Argon is available](https://docs.cloud.google.com/gemini-enterprise-agent-platform/models/model-versions)
- Oct 9, 2026, Retirement: [gemini-2.5-pro, gemini-2.5-flash and gemini-2.5-flash-lite retire on October 20, 2026](https://harbyn.com/changes/vertex-ai/2026-10-09-gemini-2-5-models-scheduled-for-retirement.md) (effective Oct 20, 2026)