Model versions and lifecycle

This document defines key terms related to the lifecycle stages and importantdates for Gemini and embedding models that are available onGoogle Cloud Vertex AI. It also gives you the recommended upgrades forthe models and points you to available migration paths.

Key Terms

Stable model: A publicly released version of the model that is available andsupported for production use starting on the release date. A stable modelversion is typically released with aretirement date, which indicates the lastday that the model is available. One month before the retirement date, new accessto the model is blocked for online inference, batch inference, and tuning. Afterthis date, the model is no longer accessible or supported by Google.

  • Latest stable models: The latest version within the model familyrecommended for new and active projects and should be the target formigrations from earlier versions. SeeLatest stablemodels.
  • Retired models: The model version is past its retirement date and hasbeen permanently deactivated. Retired models are no longer accessible orsupported by Google. API requests referencing a retired model ID typicallyreturns a 404 error. SeeRetired models.
  • Recommended upgrades: The latest stable model that we recommendswitching to. Latest stable models tend to offer better performance and morecapabilities as compared to legacy stable models. See the recommendedupgradesRetired models sections.

Latest stable models

The following table lists the latest stable models:

Gemini models

Model IDRelease dateRetirement date
gemini-live-2.5-flash-native-audioDecember 12, 2025December 13, 2026
gemini-2.5-proJune 17, 2025June 17, 2026
gemini-2.5-flashJune 17, 2025June 17, 2026
gemini-2.5-flash-liteJuly 22, 2025July 22, 2026
gemini-2.5-flash-imageOctober 2, 2025October 2, 2026
gemini-2.0-flash-001February 5, 2025June 1, 2026
gemini-2.0-flash-lite-001February 25, 2025June 1, 2026

Imagen models

Model IDRelease dateRetirement date
virtual-try-on-001January 20, 2026January 20, 2027
imagen-4.0-generate-001August 14, 2025No retirement date announced
imagen-4.0-fast-generate-001August 14, 2025No retirement date announced
imagen-4.0-ultra-generate-001August 14, 2025No retirement date announced
imagen-3.0-generate-002January 29, 2025No retirement date announced
imagen-3.0-generate-001December 10, 2024No retirement date announced
imagen-3.0-fast-generate-001December 10, 2024No retirement date announced
imagen-3.0-capability-001December 10, 2024No retirement date announced

Veo models

Model IDRelease dateRetirement date
veo-3.1-generate-001November 17, 2025No retirement date announced
veo-3.1-fast-generate-001November 17, 2025No retirement date announced
veo-3.0-generate-001July 29, 2025No retirement date announced
veo-3.0-fast-generate-001July 29, 2025No retirement date announced
veo-2.0-generate-001May 27, 2025No retirement date announced

Embeddings models

Model IDRelease dateRetirement date
gemini-embedding-001May 20, 2025No retirement date announced
text-embedding-005November 18, 2024April 1, 2027
text-embedding-004May 14, 2024April 1, 2027
text-multilingual-embedding-002May 14, 2024April 1, 2027
multimodalembedding@001February 12, 2024April 1, 2027

Migrate to a latest stable model

To learn how to migrate to a latest stable model, seeMigrate to the latest Gemini models.This guide gives you a set of migration steps that aims to minimize somepotential risks involved in model migration and helps you use new models in anoptimal way.

However, if you don't have time to follow the guide and just need to quicklyresolve the errors caused by models reaching their retirement dates, do the following:

  1. Update your application to point to the recommended upgrades.
  2. Test all mission critical features to make sure everything works as expected.
  3. Deploy the updates like you normally would.

Gemini auto-updated aliases

The auto-updated alias of a Gemini model always points to the lateststable model. When a new latest stable model is available, the auto-updatedalias automatically points to the new version.

The following table shows the auto-updated aliases for Gemini modelsand the latest stable models that they point to.

Auto-updated aliasStable version reference
gemini-2.5-progemini-2.5-pro
gemini-2.5-flashgemini-2.5-flash
gemini-2.5-flash-litegemini-2.5-flash-lite
gemini-2.0-flash-litegemini-2.0-flash-lite-001
gemini-2.0-flashgemini-2.0-flash-001

Retired models

The following table lists the retired models (click to expand)

Model IDRelease dateRetirement dateRecommended upgrade
gemini-1.5-pro-001May 24, 2024May 24, 2025gemini-2.0-flash
gemini-1.5-pro-002September 24, 2024September 24, 2025gemini-2.0-flash
gemini-1.5-flash-001May 24, 2024May 24, 2025gemini-2.0-flash-lite
gemini-1.5-flash-002September 24, 2024September 24, 2025gemini-2.0-flash-lite
textembedding-gecko@003*December 12, 2023May 24, 2025gemini-embedding-001
textembedding-gecko-multilingual@001November 2, 2023May 24, 2025gemini-embedding-001
gemini-1.0-pro-001February 15, 2024April 21, 2025gemini-2.0-flash
gemini-1.0-pro-002April 9, 2024April 21, 2025gemini-2.0-flash
gemini-1.0-pro-vision-001February 15, 2024April 21, 2025gemini-2.0-flash
text-bisonMay 2023April 21, 2025gemini-2.0-flash-lite
chat-bisonMay 2023April 21, 2025gemini-2.0-flash-lite
code-geckoMay 2023April 21, 2025gemini-2.0-flash-lite
textembedding-gecko@002November 2, 2023April 21, 2025gemini-embedding-001
textembedding-gecko@001June 7, 2023April 21, 2025gemini-embedding-001
imagetextJune 7, 2023September 24, 2025gemini-2.5-flash-image
imagegeneration@002August 17, 2023September 24, 2025imagen-3.0-capability-001 orimagen-3.0-generate-002
imagegeneration@005November 22, 2023September 24, 2025imagen-3.0-capability-001 orimagen-3.0-generate-002
imagegeneration@006March 27, 2024September 24, 2025imagen-3.0-capability-001 orimagen-3.0-generate-002

What's next

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Last updated 2026-02-19 UTC.