HomeGemini-3.1-Pro-Preview
N/A
Model parameter quantity
Google
Affiliated organization
Closed Source
License Type
February 19, 2026
Release time
Related figures
Model Introduction
Gemini-3.1-Pro-Preview is Google’s preview release of Gemini 3.1 Pro, designed for challenging reasoning, multimodal understanding, and complex production-grade tasks.
Comprehensive score
Language dialogue
Knowledge reserve
Reasoning association
Mathematical calculation
Code writing
Command following
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Language comprehension ability
Capable of understanding complex contexts and generating logically coherent sentences, though occasionally off in tone control.
7.4
Knowledge coverage scope
Covers more than 200 specialized fields, integrating the latest research findings and cross-cultural knowledge in real time.
9.5
Reasoning ability
Unable to maintain coherent reasoning chains, often causing inverted causality or miscalculations.
5.9
Model comparison
Gemini-3.1-Pro-Preview vs Doubao-Seed-1.6-251015 (Thinking)
The deep reasoning model released by ByteDance, which supports manual switching of deep reasoning, and its performance is significantly improved compared to doubao-1.5.
Gemini-3.1-Pro-Preview vs Doubao-Seed-1.6-thinking-250715
The latest version of the seed series model launched by ByteDance, which supports the thinking mode.
Related model
Gemini-3.1-Flash-Lite-Preview
Gemini-3.1-Flash-Lite-Preview is Google’s lightweight preview model focused on practical capability under low cost, low latency, and high-throughput settings.
gemma-4-31B-it
gemma-4-31B-it is Google’s 31B-parameter open-source model for high-quality conversation, reasoning, and self-deployment by developers.
gemma-4-E4B-it
gemma-4-E4B-it is a lightweight open-source on-device model released by Google.
Gemini-3-Pro-Preview
The preview version of the Gemini 3 pro.
Gemini-2.5-Pro
The official release version of the Gemini 2.5 pro.
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