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Gemini 3.1 Pro

Google's Pro model for research and reasoning, in one chat with 26 others.

Opens Chatly Chat on Gemini 3.1 Pro.

Gemini 3.1 Pro at a glance

Made byGoogle
Released19 February 2026, and still marked as a preview[1]
Longest inputAbout 1M tokens[1]
In the Gemini appSome access on the free plan; Google AI Pro is $19.99 a month[2]
In ChatlyYes, in the Chat model picker. Chatly's note: deep research and multi-step logic.
Google's newestGemini 3.8 Flash, released 2 September 2026. Not in Chatly yet[1]

Then put the answer to work

The same plan runs the agent behind the chat. It makes the files, not just the text, and works with Gmail, Slack and 40+ other apps.

Chatly plans

Three plans, and Teams on top: pick how long you pay for, and how many credits.

Save 9%
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Standard

$18/ month, billed quarterly

Perfect for getting started with AI

Subscribe

7K credits / month

  • Flash and Pro modes
  • 3 concurrent agent tasks
  • 2 scheduled tasks
  • Connect up to 2 apps, like Gmail and Slack
  • 2 knowledge bases
  • Commercial usage rights
  • Build and publish websites
  • Create presentation-ready slides
  • Deep research with citations
  • Generate docs, sheets and audio
  • Generate images and videos
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Professional

$36/ month, billed quarterly

More credits, more room to create

Subscribe
  • Flash, Pro and Ultra modes
  • 5 concurrent agent tasks
  • 5 scheduled tasks
  • Connect up to 5 apps, like Gmail and Slack
  • 5 knowledge bases
  • Commercial usage rights
  • Build and publish websites
  • Create presentation-ready slides
  • Deep research with citations
  • Generate docs, sheets and audio
  • Generate images and videos
  • AI ad creator
  • AI video editor

Ultra

$183/ month, billed quarterly

Built for power users who never hit limits

Subscribe
  • Flash, Pro and Ultra modes
  • Unlimited concurrent agent tasks
  • 25 scheduled tasks
  • Connect all 40+ apps
  • 25 knowledge bases
  • Commercial usage rights
  • Build and publish websites
  • Create presentation-ready slides
  • Deep research with citations
  • Generate docs, sheets and audio
  • Generate images and videos
  • AI ad creator
  • AI video editor
  • Early access to new models

Chatly for Teams: pooled credits and shared seats, from three seats. Talk to us

Common questions

What is Gemini 3.1 Pro?

Gemini 3.1 Pro is Google's Pro model, released in preview on 19 February 2026, with a context of about a million tokens. Chatly notes it for deep research and multi-step logic.

Is Gemini 3.1 Pro still in preview?

Yes. Google's model list still marks Gemini 3.1 Pro as a preview. Google's newest Flash model is Gemini 3.8 Flash, which Chatly does not have yet.

Can I use Gemini 3.1 Pro without Google AI Pro?

Yes. It is in Chatly's model picker under an Chatly plan. In the Gemini app, the free plan gives limited access to 3.1 Pro and Google AI Pro costs $19.99 a month.

Can I compare Gemini 3.1 Pro with Claude or GPT?

Yes. Add a second model in the box at the top, ask, and switch between the answers in the same chat.

Is Chatly made by Google?

No. Chatly is an independent product with Gemini, Claude, GPT, Grok and other models in one place. It is not affiliated with Google.

Plans, prices and models change, so check each company's own site before you buy.

Sources (2)
  1. Gemini models (Google AI for Developers)
  2. Google AI plans (gemini.google, US)

Ask your own question

The fastest way to choose is to try. Pick one model or two and ask.

Opens Chatly Chat on Gemini 3.1 Pro.

Model and product names belong to their makers and are used here only to compare. Chatly is not affiliated with Anthropic, OpenAI, Google, xAI, DeepSeek, Moonshot AI or Perplexity.

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