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Model release · curated entry

Google previews Gemini 3.1 Pro

Gemini 3.1 Pro Preview

Date
February 19, 2026
Category
Model release
Organization / Model
Google DeepMind
Evidence
1 source · 1 evidence family

The preview continues to iterate on reasoning and long-context tasks and is the first mid-cycle upgrade of the Gemini 3 line.

Curator's note: Cross-checked against the OpenRouter model catalog.

Curated sources · 1

  1. Model catalog · OpenRouter2026-02-19

    Gemini 3.1 Pro Preview

    openrouter.ai

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This page is a curated static snapshot and can be cited directly. Preferred format GB/T 7714—2025 (electronic resource [EB/OL]); the other 5 styles open below, together with the machine-readable files.

GB/T 7714—2025 (electronic resource [EB/OL])

AI 纪年. Google 发布 Gemini 3.1 Pro 预览版[EB/OL]. (2026-02-19)[2026-11-03]. https://aihist.net/e/gemini-3-1-2026.html.

APA 7 · American Psychological Association

AI 纪年. (2026, February 19). Google 发布 Gemini 3.1 Pro 预览版 [Web page]. https://aihist.net/e/gemini-3-1-2026.html

MLA 9 · Modern Language Association

"Google 发布 Gemini 3.1 Pro 预览版." AI 纪年, 19 Feb. 2026, aihist.net/e/gemini-3-1-2026.html. Accessed 3 Nov. 2026.

Chicago 17 · notes-bibliography

AI 纪年. "Google 发布 Gemini 3.1 Pro 预览版." Published Feb. 19, 2026. Accessed Nov. 3, 2026. https://aihist.net/e/gemini-3-1-2026.html.

IEEE · citation-reference list

"Google 发布 Gemini 3.1 Pro 预览版," AI 纪年, 19 Feb. 2026. [Online]. Available: https://aihist.net/e/gemini-3-1-2026.html. [Accessed: 3 Nov. 2026].

ACM · author-date variant

AI 纪年. February 19, 2026. Google 发布 Gemini 3.1 Pro 预览版. Retrieved November 3, 2026 from https://aihist.net/e/gemini-3-1-2026.html.

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