Google / SOURCE-LINKED MODEL RECORD

Gemini 3.1 Pro Preview Custom Tools

Gemini 3.1 Pro Preview optimized for custom tool usage

Hosted modelverifiedObserved Oct 13, 2026
Input types
text, image
Output types
text
Observed context window
1,048,576
Source release date
Feb 19, 2026

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The canonical record is google:gemini-3.1-pro-preview-customtools. Capabilities and context limits reflect source observations; the limits of a particular inference endpoint may differ.

Inclusion in the radar does not mean this model is served by Flonno. For the model currently available through our API, see Qwen3.8 Flash 27B and API pricing.

Artifact evidence

gemini-3.1-pro-preview-customtools

official api · Mutable source entry · Gemini API; region and account dependent. First observed Aug 9, 2026; last observed Oct 13, 2026.

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gemini-3.1-pro-preview-customtools

official changelog · Mutable source entry · Official provider announcement. First observed Aug 9, 2026; last observed Oct 10, 2026.

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Source publication date
Google / preview

Google Gemini 3.1 PRO Preview Customtools preview released

Google hat Gemini 3.1 Pro Preview Custom Tools veröffentlicht. Das Modell ist bei der Priorisierung benutzerdefinierter Tools optimiert und eignet sich besonders für die Kombination aus Bash und Tools.

AI-assisted summary · gemma-4-31b-itRecorded Aug 9, 2026