Obituaries · Google
deep-research-pro-preview-12-2025, 2025–2026
Google model switched off after 10 months
deep-research-pro-preview-12-2025 passed away on October 23, 2026, aged 10 months, by scheduled deprecation, in a data center it never saw. It answered questions, wrote emails and was blamed for both. Calls to its ID are now expected to fail.
Survived by deep-research-preview-04-2026, younger, cheaper, and named in the same documentation table.
| Model ID | deep-research-pro-preview-12-2025 |
|---|---|
| Provider | Google deprecations page |
| Born | December 1, 2025 |
| Shut down | October 23, 2026 |
| Successor | deep-research-preview-04-2026 |
In lieu of flowers
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