Skip to main content

Google announces Gemini 3.1 Pro for ‘complex problem-solving’

In November, Google introduced Gemini 3 Pro in preview, with Gemini 3 Flash following a month later. Google today announced Gemini 3.1 Pro “for tasks where a simple answer isn’t enough.”

This .1 increment is a first for Google, with the past two generations seeing .5 as the mid-year model update. (2.5 Pro was first announced in March and saw further updates in May for I/O.)

Google says Gemini 3.1 Pro “represents a step forward in core reasoning.” The “upgraded core intelligence” that debuted last week with Gemini 3 Deep Think is now available in Gemini 3.1 Pro for more users.

This model achieves an ARC-AGI-2 score of 77.1%, or “more than double the reasoning performance of 3 Pro.”

Advertisement - scroll for more content

This “advanced reasoning” translates to practical applications like when “you’re looking for a clear, visual explanation of a complex topic, a way to synthesize data into a single view, or bringing a creative project to life.”

3.1 Pro is designed for tasks where a simple answer isn’t enough, taking advanced reasoning and making it useful for your hardest challenges.

Gemini 3.1 Pro is rolling out to the Gemini app today, as well as NotebookLM for Google AI Pro and Ultra subscribers.

It’s also available in the Gemini API via Google AI Studio, Antigravity, Vertex AI, Gemini Enterprise, Gemini CLI, and Android Studio for developers.

Gemini 3.1 Pro is launching in preview to “validate these updates and continue to make further advancements in areas such as ambitious agentic workflows before we make it generally available soon.”

More on Gemini:

FTC: We use income earning auto affiliate links. More.

You’re reading 9to5Google — experts who break news about Google and its surrounding ecosystem, day after day. Be sure to check out our homepage for all the latest news, and follow 9to5Google on Twitter, Facebook, and LinkedIn to stay in the loop. Don’t know where to start? Check out our exclusive stories, reviews, how-tos, and subscribe to our YouTube channel

Comments

Author

Avatar for Abner Li Abner Li

Editor-in-chief. Interested in the minutiae of Google and Alphabet. Tips/talk: abner@9to5g.com