Google releases Gemini 3.1 Pro, with greatly improved reasoning abilities

Investing.com – Google has released Gemini 3.1 Pro, an upgraded AI model designed specifically for complex problem-solving tasks in scientific, research, and engineering applications.

This new model is built on the Gemini 3 series and has made significant progress in core reasoning capabilities. In the ARC-AGI-2 benchmark test, which evaluates the model’s ability to solve new logical patterns, Gemini 3.1 Pro achieved a validation score of 77.1%, with reasoning performance more than doubling that of the previous 3 Pro version.

Starting Thursday, Gemini 3.1 Pro will be available to developers in preview through the Gemini API in Google AI Studio, Gemini CLI, the agent development platform Google Antigravity, and Android Studio. Enterprise users can access the model via Vertex AI and Gemini Enterprise, while consumers can use it through the Gemini app and NotebookLM.

The model performs well in tasks requiring advanced reasoning, such as creating visual explanations for complex topics, synthesizing data, and supporting creative projects. One key feature is “Complex System Integration,” where the model combines complex APIs with user-friendly design, such as building a real-time aerospace dashboard to visualize the International Space Station’s orbit.

For Gemini app users with Google AI Pro and Ultra plans, the new version offers higher usage limits. Access to NotebookLM for 3.1 Pro is limited to Pro and Ultra users.

Google states that this preview release will help validate updates before the official launch and plans to make further improvements in agent workflows and other areas.

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