Google: Gemini 3.1 Pro Preview

Public pricingIntelligence 83/100Huge memory视觉深度思考工具调用

Google: Gemini 3.1 Pro Preview 是一款音频模型，适合编码、软件工程和智能体工作流。它结合了多模态输入处理、强大的编码能力、1M+ tokens上下文和均衡成本定位，可在audio understanding and multimodal input中提供可靠表现。它适合重视延迟、成本与吞吐的团队，能带来稳定输出、灵活部署与扩展空间。 它适合需要稳定回答、较长上下文、清晰结构和可扩展部署的团队。 它适合需要稳定回答、较长上下文、清晰结构和可扩展部署的团队。 它适合需要稳定回答、较长上下文、清晰结构和可扩展部署的团队。 它适合需要稳定回答、较长上下文、清晰结构和可扩展部署的团队。 它适合需要稳定回答、较长上下文、清晰结构和可扩展部署的团队。 它适合需要稳定回答、较长上下文、清晰结构和可扩展部署的团队。

Input

$2.00/1M

Output

$12.00/1M

Cached

$0.20/1M

Batch

$1.00/1M

Calculate your Gemini 3.1 Pro Preview bill.

Set your workload — see cost at your exact volume.

What would Gemini 3.1 Pro Preview cost you?

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1,00010,00050,000250,0001M10M

Technical specifications

Gemini 3.1 Pro Preview at a glance.

Memory

1,048,576

tokens

Max reply

65,536

tokens

Memory tier

Huge

multiple books or whole repositories

Tokenizer

sentencepiece

Released

Mar 2026

Training cutoff

Apr 2025

Availability

Public pricing

Status

active

Benchmarks

Quality benchmarks

Independent evaluations from public leaderboards. Higher is better.

  • frontiermath_tier_4

    16.7

  • gpqa_diamond

    94.1

  • humanitys_last_exam

    46.44

  • swe_bench_verified

    75.62

What it can do

Capabilities & limits.

  • Understands images
  • Deep step-by-step thinking
  • Uses tools / calls functions
  • Strict JSON output
  • Streams replies
  • Fine-tunable on your data

When to pick Gemini 3.1 Pro Preview

  • Multi-step reasoning, research agents, or hard math.
  • Screenshot analysis, image understanding, or document OCR.
  • Agentic workflows that call tools or APIs.
  • Long documents, full codebases, or extensive chat histories.

When to look elsewhere

  • Very latency-sensitive, real-time apps where every millisecond counts.

Alternatives

Similar models to compare.

FAQ

Gemini 3.1 Pro Preview — the questions we see most.

Pricing, capabilities, alternatives — generated from the same data that powers the calculator above.

Get instant answers from our AI agent

At a typical workload of 50,000 conversations a month with 1,500-token prompts and 800-token replies, Gemini 3.1 Pro Preview costs roughly $630 per month. Input is $2.00 /1M tokens and output is $12.00 /1M tokens.
Gemini 3.1 Pro Preview has a 1,048,576-token context window (huge memory — multiple books or whole repositories). That means you can fit about 196,608 words of input and history in a single call.
Beyond text generation, Gemini 3.1 Pro Preview supports understanding images, deep step-by-step reasoning, calling functions / tools, strict JSON output, fine-tuning on your own data. It streams replies by default.
Gemini 3.1 Pro Preview was released in March 2026, with training data cut off around April 2025.
Models in a similar class include Gemini 3.1 Pro Preview Custom Tools, Gemini 2.5 Pro, Gemini 2.5 Pro Preview 05-06. The "Similar models" section below this FAQ links into each.

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