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Gemini 3.1 Pro Usage Guide ​

Want to know how to use Gemini 3.1 Pro (gemini3.1) in China? Google DeepMind's newly released Gemini 3.1 Pro has jumped straight to SOTA across multiple domains, making it the strongest AI model right now. This article walks you through using Gemini 3.1 Pro in China step by step, plus real hands-on tests, so users in China can access this top-tier model quickly and without barriers.

Table of Contents ​

Gemini 3.1 Pro Performance Review: SOTA Across Domains

Google DeepMind's blockbuster release of Gemini 3.1 Pro (gemini3.1) shattered records across multiple benchmarks, crowning it the new king of AI!

On the Humanity's Last Exam (HLE), Gemini 3.1 Pro scored 44.4% with zero tools — far ahead of GPT-5.2 (34.5%) and Opus 4.6 (40.0%).

On ARC-AGI-2, Gemini 3.1 Pro runs away with 77.1%, leading Opus 4.6 (68.8%), which had just topped the chart.

It leads by a similar margin in coding and AI agents:

  • LiveCodeBench Pro: 2887 Elo points
  • Terminal-Bench 2.0: 68.5%
  • APEX-Agents: 33.5%

Gemini 3.1 Pro benchmark score chart

Gemini 3.1 Pro coding and agent benchmark ranking

Gemini 3.1 Pro Preview topping the intelligence index leaderboard

On the AI Analysis Intelligence Index (v4.0) leaderboard, Gemini 3.1 Pro Preview tops the list with 57 points — a huge jump from the 48 points of the older Gemini 3 Pro.

Gemini 3.1 Pro scoring 57 points on the intelligence index

How to Use Gemini 3.1 Pro in China (Most Stable Access)

Users in China often hit network restrictions when accessing official Gemini directly. The simplest, most stable way to use Gemini 3.1 Pro in China is:

Recommended: use a Google Chrome browser to visit chatshare.biz
The platform already integrates the latest models like Gemini 3.1 Pro, GPT-5.3, Claude Sonnet 4.6 and Grok 4.2 — switch with one click, no complicated VPN configuration needed.

New Plus entry:
ChatShare new Plus entry to access Gemini 3.1 Pro

Gemini membership zone:
ChatShare Gemini membership zone for Gemini 3.1 Pro

Through this platform, users in China can easily experience all the powerful features of Gemini 3.1 Pro.

Gemini 3.1 Pro First-Hand Experience

1. Gemini 3.1 Pro Version & Knowledge Cutoff Date

Test question: What model are you? What's your exact version number and knowledge cutoff date?

Gemini 3.1 Pro reply with version number and knowledge cutoff

2. Gemini 3.1 Pro Writing Ability Test

Gemini 3.1 Pro's long-form writing and style control have been massively upgraded, perfectly maintaining logical coherence across tens of thousands of characters.

Test prompt: In a vivid, humorous tone, explain in about 50 words to a 5-year-old "why is the sky blue?"

Gemini 3.1 Pro writing ability test response

3. Gemini 3.1 Pro Coding Ability Test

Gemini 3.1 Pro's massive context window can process an entire project codebase at once, supporting complex system-level refactoring.

Test prompt: Write a simple Python function that takes a string as input and returns its reversed version. Requirement: don't use Python's built-in [::-1] slicing syntax — implement it with a loop instead.

Gemini 3.1 Pro Python string reversal code example

4. Gemini 3.1 Pro Complex Reasoning Ability

Gemini 3.1 Pro has strengthened systematic thinking, keeping a rigorous reasoning chain even on multi-condition logic puzzles.

Test prompt: There are three boxes on a table, labeled "all apples", "all oranges", and "mixed apples and oranges". You know all three labels are wrong. You can pick one fruit from just one box and look at it. Which box should you take a fruit from to immediately deduce what's inside all three boxes? Please explain your reasoning.

Gemini 3.1 Pro solving the three-box logic puzzle

5. Gemini 3.1 Pro Image Recognition & Math Problem Solving

Gemini 3.1 Pro's multimodal abilities have evolved again — it can analyze images directly and solve hard problems.

Test: the final math problem from the 2025 national gaokao (Paper I, new curriculum)

Gemini 3.1 Pro recognizing the 2025 gaokao math problem

Gemini 3.1 Pro answer to the gaokao math problem

6. Nano Banana 2 AI Drawing

Nano Banana 2, the AI drawing model in the Gemini 3.1 Pro ecosystem, delivers impressive results.

Test prompt: Remove the mask

Nano Banana 2 drawing result after removing the mask


Summary: Gemini 3.1 Pro (gemini3.1) currently leads across the board — intelligence, coding, reasoning, image processing and more. For users in China who want stable access to Gemini 3.1 Pro, visiting chatshare.biz directly is the most convenient option.

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