# deep-research-pro-preview-12-2025 — Shut down — shutdown October 23, 2026

For deep-research-pro-preview-12-2025, provider is Google (Gemini Developer API); lifecycle status is Shut down; shutdown / retirement date is October 23, 2026; recommended replacement is deep-research-preview-04-2026; platform / deployment scope is Gemini Developer API (ai.google.dev), recorded from its source on 2026-10-26.

- **Provider:** Google (Gemini Developer API) _(our reading, not quoted from the source)_
- **Model ID / API name:** deep-research-pro-preview-12-2025 _(verified: appears in the quote below)_
- **Lifecycle status:** Shut down
- **Release date:** December 11, 2025 _(verified: appears in its own passage below)_
- **Shutdown / retirement date:** October 23, 2026 _(verified: appears in its own passage below)_
- **Recommended replacement:** deep-research-preview-04-2026 _(verified: appears in the quote below)_
- **Platform / deployment scope:** Gemini Developer API (ai.google.dev) _(our reading, not quoted from the source)_

## What the source says

> deep-research-pro-preview-12-2025 | December 11, 2025 | October 23, 2026 | deep-research-preview-04-2026 |

## Where each value comes from

This source states these in separate places, so each value is shown with the passage that states it.

### Release date

> Agent | Release date | Shutdown date | Recommended replacement | Preview agents | | | | antigravity-preview-09-2026 | September 17, 2026 | No shutdown date announced | | antigravity-preview-05-2026 | May 19, 2026 | October 5, 2026 | antigravity-preview-09-2026 | deep-research-preview-04-2026 | April 21, 2026 | No shutdown date announced | | deep-research-max-preview-04-2026 | April 21, 2026 | No shutdown date announced | | deep-research-pro-preview-12-2025 | December 11, 2025 | October 23, 2026 | deep-research-preview-04-2026 |

### Shutdown / retirement date

> Agent | Release date | Shutdown date | Recommended replacement | Preview agents | | | | antigravity-preview-09-2026 | September 17, 2026 | No shutdown date announced | | antigravity-preview-05-2026 | May 19, 2026 | October 5, 2026 | antigravity-preview-09-2026 | deep-research-preview-04-2026 | April 21, 2026 | No shutdown date announced | | deep-research-max-preview-04-2026 | April 21, 2026 | No shutdown date announced | | deep-research-pro-preview-12-2025 | December 11, 2025 | October 23, 2026 | deep-research-preview-04-2026 |

## Source

- https://ai.google.dev/gemini-api/docs/deprecations

Last verified: 2026-10-26. Review by: 2026-11-25.
Part of [AI model deprecation and retirement dates by provider](https://referencesource.org/ai-model-deprecation-and-retirement/).