Gemini 3.1

Gemini 3.1 is a Google model family with 2 variants (Pro and Flash Lite) available in Quad Chat, with up to 1M tokens of context, image input, tool calling and adjustable reasoning.

Gemini 3.1 at a glance

LabGoogle
Available onFree plan for some variants; all from Pro
Context windowUp to 1M tokens
Max outputUp to 65K tokens
Image inputYes
Tool callingYes
ReasoningYes
Privacy lanePrivate (Zero Data Retention)

Gemini 3.1 variants

ModelContextPlanAPI list price per 1M tokens (in / out)
Gemini 3.1 Pro1MPro plan and up$2.00 / $12.00
Gemini 3.1 Flash Lite1MFree plan$0.25 / $1.50

How to use Gemini 3.1 in Quad Chat

  1. Create a free account or sign in.
  2. Open the model picker and choose Gemini 3.1.
  3. Ask, attach files, or compare the answer with another model.

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Frequently asked questions

Can I use Gemini 3.1 for free?

Partly. Gemini 3.1 Flash Lite is on the Free plan, which needs no credit card. Gemini 3.1 Pro needs the Pro plan ($15/month) or higher. Every plan shares one monthly credit balance across all models.

What is the context window of Gemini 3.1?

Context windows differ by variant: Gemini 3.1 Pro 1M, Gemini 3.1 Flash Lite 1M tokens, according to the model catalog Quad Chat routes through. Files, pasted text and earlier messages all count toward the window.

Does Gemini 3.1 support images, tools and reasoning?

Gemini 3.1 accepts images as input, so you can attach screenshots, photos and scanned pages. It supports tool calling. It can reason before it answers, with adjustable effort (low, medium and high). You can switch to another model in the same conversation at any time.

Is Gemini 3.1 private in Quad Chat?

Gemini 3.1 runs on the Quad Chat Private Lane, routed to providers under Zero Data Retention terms. Quad Chat does not train models on your conversations, encrypts chats in transit and at rest, and lets you export or delete them at any time.

How much does Gemini 3.1 cost in Quad Chat?

Quad Chat plans have a flat monthly price and draw usage from shared credits, not a per-token bill. The model picker shows an estimate before you send. For reference, the provider's API list price is from $0.25 to $2.00 per million input tokens across variants.

Can I compare Gemini 3.1 with other models?

Yes. Send one prompt to Gemini 3.1 and one or two other models, such as Gemini 3.8 Flash, Gemini 3.7 Flash and Gemini 3.5 Flash, and compare the answers side by side in the same thread. You can also switch models mid-conversation without losing your files or context.

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