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Pixmind
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GooglePixMind route verified · 2026-09-04

Chat with Gemini 3.1 Pro Preview

Gemini 3.1 Pro Preview is Google's preview route for advanced problem solving, agentic coding, and large multimodal projects. Use a stable Flash version when preview lifecycle risk is undesirable.

advanced problem solving, agentic coding, and large mixed-media projects

Context window
1,048,576
Maximum output
65,536
Streaming
Supported
Gemini 3.1 Pro Preview

Selected model

Gemini 3.1 Pro Preview

Gemini 3.1 Pro Preview

What this model is built to do

Gemini 3.1 Pro Preview is Google's preview route for advanced problem solving, agentic coding, and large multimodal projects. Use a stable Flash version when preview lifecycle risk is undesirable.

What Gemini 3.1 Pro Preview can handle

  • Text
  • Vision
  • Image input
  • Video input
  • Reasoning
  • Tool calling
  • Streaming

Three jobs to try first

When to choose Gemini 3.1 Pro Preview

1

Evidence-led research plan

Turn an open question into hypotheses, evidence needs, evaluation criteria, and a final report shape.

Prompt starter

Design a research plan for [question]. List competing hypotheses, the evidence needed to test each one, source-quality criteria, stopping rules, and the final report outline.

2

Video and mixed-media review

Combine frames, audio, PDFs, and notes into one timeline or evidence-led review.

Prompt starter

Review the attached media as one project. Build a timestamped issue list, connect each issue to visible or audible evidence, and propose an edit plan.

3

Multi-step agent plan

Decompose a long-running goal into checkpoints, tools, verification, and recovery steps.

Prompt starter

Plan and execute [goal] in checkpoints. Before each action state the evidence needed; after each action verify the result and update the remaining plan. Stop on irreversible ambiguity.

Current PixMind route

This PixMind route exposes text, image, and video input with text output. Audio and PDF are not listed for this route snapshot.

Model ID
gemini-3.1-pro-preview
Endpoint
/v1/chat/completions
PixMind inputs
Text · Image input · Video input

Thinking model; preview route

Current token pricing

Input

1,911

points per 1M tokens

Output

11,466

points per 1M tokens

Choose this model or switch?

Compare the current route with nearby models before spending tokens on a long conversation.

ModelBest forPixMind inputsMax outputInput points / 1M
Gemini 3.1 Pro PreviewCurrent pageadvanced problem solving, agentic coding, and large mixed-media projectsText · Image input · Video input65,5361,911
Gemini 3.8 Flashlong-horizon software engineering, autonomous agents, and mixed-media analysisText · Image input · Audio input · Video input · PDF input65,536955.5
GPT-5.6 Soldemanding reasoning, vision, and tool-driven workText · Vision128,0003,694.6
Claude Opus 5complex professional reasoning, autonomous coding, and self-correcting workflowsText · Vision131,0723,822

From first question to useful answer

  1. 1Write the task, desired output, and relevant context in the prompt box.
  2. 2Continue in AI Chat with follow-up questions; the selected model stays active.
  3. 3Start a new chat when you want a clean context or switch models at any time.

Facts and sources

Model-family claims come from provider documentation. Inputs, limits, and points are the PixMind route snapshot verified on September 4, 2026.

Frequently asked questions

How do I use Gemini 3.1 Pro Preview for “Evidence-led research plan”?

Turn an open question into hypotheses, evidence needs, evaluation criteria, and a final report shape. Start with this template: Design a research plan for [question]. List competing hypotheses, the evidence needed to test each one, source-quality criteria, stopping rules, and the final report outline.

How do I use Gemini 3.1 Pro Preview for “Video and mixed-media review”?

Combine frames, audio, PDFs, and notes into one timeline or evidence-led review. Start with this template: Review the attached media as one project. Build a timestamped issue list, connect each issue to visible or audible evidence, and propose an edit plan.

How do I use Gemini 3.1 Pro Preview for “Multi-step agent plan”?

Decompose a long-running goal into checkpoints, tools, verification, and recovery steps. Start with this template: Plan and execute [goal] in checkpoints. Before each action state the evidence needed; after each action verify the result and update the remaining plan. Stop on irreversible ambiguity.

What inputs does Gemini 3.1 Pro Preview currently support in PixMind?

This PixMind route exposes text, image, and video input with text output. Audio and PDF are not listed for this route snapshot. The current catalog flags: text, vision, image, video.

How should I prompt Gemini 3.1 Pro Preview?

Assign each attachment a role, describe what evidence to extract, and request a structured synthesis rather than a generic summary.

How is Gemini 3.1 Pro Preview usage priced?

Current directory pricing is 1911 input points and 11466 output points per 1 million tokens.

When should I choose another model over Gemini 3.1 Pro Preview?

Gemini 3.1 Pro Preview is positioned for advanced problem solving, agentic coding, and large mixed-media projects. Check the comparison table when lower cost, different input support, or a heavier reasoning tier matters more.

What should I do if a Gemini 3.1 Pro Preview response stops?

A network interruption, insufficient balance, or temporary model availability can stop a reply. Before resending, check whether token usage and points were already settled.

Start a conversation · Gemini 3.1 Pro Preview

Use the prompt box above to send a focused first task, then continue in the full AI Chat workspace.

Start chatting