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多模态模型

Gemini 3.1 Pro Preview

Gemini 3.1 Pro Preview 是 Google 的 Gemini 多模态模型,适合深度推理、长文问答等通用生产工作流。 当前仍是预览版。

调用名 gemini-3.1-pro-preview1M 上下文最大输出 65,536 Tokens2025-01-01 知识截止厂商Google / Gemini
深度推理长文问答视觉理解Agent通用助手视觉函数调用结构化输出推理长上下文语音输入代码多模态助手预览版

快速入口

适合
深度推理 / 长文问答
价格
$2.00 · $12.00
输入/输出
文本 / 图像 / 视频 / 音频 → 文本

详细参数

模型定位

多模态助手

适合场景

深度推理 / 长文问答

输入价格

$2.00 / 1M Tokens

输出价格

$12.00 / 1M Tokens

上下文窗口

1M

最大输出

65,536 Tokens

知识截止

2025-01-01

能力与信息

文本主能力

推理

支持

工具调用

支持

结构化输出

支持

训练与版本

微调

不支持

蒸馏

不支持

多模态扩展

视觉理解

支持

语音输入

支持

语音输出

不支持

实时交互

不支持

输入与输出

输入形式

文本 / 图像 / 视频 / 音频

输出形式

文本

接入信息

知识截止

2025-01-01

调用名

gemini-3.1-pro-preview

API 基础地址

https://generativelanguage.googleapis.com

调用协议

https/json

主接口

/v1beta/models/{model}:generateContent

接口说明

Gemini 主流对话与多模态模型统一通过 generateContent / streamGenerateContent 调用。

发布时间

2026-02-01

价格与计费

计费摘要

输入价

$2.00 / 1M Tokens

输出价

$12.00 / 1M Tokens

缓存输入

$0.20

币种

USD

计费单位

1M Tokens

单位类型

按 Tokens

价格说明

原始价格文案

Input price: $2.00, prompts $4.00, prompts > 200k tokens;Output price (including thinking tokens): $12.00, prompts $18.00, prompts > 200k;Context caching price: $0.20, prompts $0.40, prompts > 200k $4.50 / 1,000,000 tokens per hour (storage price);Grounding with Google Search *: 5,000 prompts per month (free, shared across Gemini 3), then $14 / 1,000 search queries;Grounding with Google Maps: 5,000 prompts per month (free, shared across Gemini 3), then $14 / 1,000 search queries;Input price: $1.00, prompts $2.00, prompts > 200k tokens;Output price (including thinking tokens): $6.00, prompts $9.00, prompts > 200k;Context caching price: $0.20, prompts $0.40, prompts > 200k $4.50 / 1,000,000 tokens per hour (storage price);Grounding with Google Search *: 5,000 RPD (free, shared across Gemini 3), then $14 / 1,000 search queries;Grounding with Google Maps: 5,000 RPD (free, shared across Gemini 3), then $14 / 1,000 search queries;Input price: $1.00, prompts $2.00, prompts > 200k tokens;Output price (including thinking tokens): $6.00, prompts $9.00, prompts > 200k;Context caching price: $0.20, prompts $0.40, prompts > 200k $4.50 / 1,000,000 tokens per hour (storage price);Grounding with Google Search *: 5,000 RPD (free, shared across Gemini 3), then $14 / 1,000 search queries;Grounding with Google Maps: 5,000 RPD (free, shared across Gemini 3), then $14 / 1,000 search queries;Input price: $3.60, prompts $7.20, prompts > 200k tokens;Output price (including thinking tokens): $21.60, prompts $32.40, prompts > 200k;Context caching price: $0.36, prompts $0.72, prompts > 200k $8.10 / 1,000,000 tokens per hour (storage price);Grounding with Google Search *: 5,000 prompts per month (free, shared across Gemini 3), then $14 / 1,000 search queries;Grounding with Google Maps: 5,000 prompts per month (free, shared across Gemini 3), then $14 / 1,000 search queries

补充说明

Input price: $2.00, prompts $4.00, prompts > 200k tokens;Output price (including thinking tokens): $12.00, prompts $18.00, prompts > 200k;Context caching price: $0.20, prompts $0.40, prompts > 200k $4.50 / 1,000,000 tokens per hour (storage price);Grounding with Google Search *: 5,000 prompts per month (free, shared across Gemini 3), then $14 / 1,000 search queries;Grounding with Google Maps: 5,000 prompts per month (free, shared across Gemini 3), then $14 / 1,000 search queries;Input price: $1.00, prompts $2.00, prompts > 200k tokens;Output price (including thinking tokens): $6.00, prompts $9.00, prompts > 200k;Context caching price: $0.20, prompts $0.40, prompts > 200k $4.50 / 1,000,000 tokens per hour (storage price);Grounding with Google Search *: 5,000 RPD (free, shared across Gemini 3), then $14 / 1,000 search queries;Grounding with Google Maps: 5,000 RPD (free, shared across Gemini 3), then $14 / 1,000 search queries;Input price: $1.00, prompts $2.00, prompts > 200k tokens;Output price (including thinking tokens): $6.00, prompts $9.00, prompts > 200k;Context caching price: $0.20, prompts $0.40, prompts > 200k $4.50 / 1,000,000 tokens per hour (storage price);Grounding with Google Search *: 5,000 RPD (free, shared across Gemini 3), then $14 / 1,000 search queries;Grounding with Google Maps: 5,000 RPD (free, shared across Gemini 3), then $14 / 1,000 search queries;Input price: $3.60, prompts $7.20, prompts > 200k tokens;Output price (including thinking tokens): $21.60, prompts $32.40, prompts > 200k;Context caching price: $0.36, prompts $0.72, prompts > 200k $8.10 / 1,000,000 tokens per hour (storage price);Grounding with Google Search *: 5,000 prompts per month (free, shared across Gemini 3), then $14 / 1,000 search queries;Grounding with Google Maps: 5,000 prompts per month (free, shared across Gemini 3), then $14 / 1,000 search queries

发布时间

2026-02-01

官方入口

成本估算

官方标价:输入 $2.00 / 1M Tokens,输出 $12.00 / 1M Tokens,缓存命中 $0.200 / 1M Tokens。

单次短对话

2,000 输入 + 500 输出

$0.010

1,000 次短对话

约 200 万输入 + 50 万输出

$10.00

100 万输入 tokens

长文档批量处理

$2.00

100 万输出 tokens

大批量生成内容

$12.00

按官方每百万 tokens 价格估算,不含缓存命中折扣、阶梯价和批处理优惠,实际以官方账单为准。

价格来源价格核验 2026-04-20资料核验 2026-04-16发布于 2026-02-01

同类模型对比

模型输入价格输出价格上下文发布
Gemini 3.1 Pro Preview

Google / Gemini · 本页

$2.00 / 1M Tokens$12.00 / 1M Tokens1M2026-02-01
Grok 4.20 Reasoning

xAI / Grok

$2.00 / 1M Tokens$6.00 / 1M Tokens2M-
Grok 4.20 Non Reasoning

xAI / Grok

$2.00 / 1M Tokens$6.00 / 1M Tokens2M-
GPT-6.1 Sol

OpenAI / ChatGPT

$2.00 / 1M Tokens$10.00 / 1M Tokens1.1M2026-09-29
GPT-6 Sol

OpenAI / ChatGPT

$2.00 / 1M Tokens$10.00 / 1M Tokens1.1M2026-09-22

按同类目里价格最接近的模型挑选,价格单位与口径以各自详情页为准。

调用示例

调用名 gemini-3.1-pro-preview,接口地址 https://generativelanguage.googleapis.com。示例里的 KEY 换成自己的密钥即可。

curl

curl "https://generativelanguage.googleapis.com/v1beta/models/gemini-3.1-pro-preview:generateContent?key=$GEMINI_API_KEY" \
  -H "content-type: application/json" \
  -d '{
    "contents": [{"parts": [{"text": "你好,介绍一下你自己"}]}]
  }'

Python

from google import genai

client = genai.Client(api_key="YOUR_API_KEY")
response = client.models.generate_content(
    model="gemini-3.1-pro-preview",
    contents="你好,介绍一下你自己",
)
print(response.text)

常见问题

Gemini 3.1 Pro Preview 多少钱?

Gemini 3.1 Pro Preview 当前标价是 输入 2 USD / 每百万 tokens,输出 12 USD / 每百万 tokens,实际账单以官方价格页为准。

Gemini 3.1 Pro Preview 的上下文够用吗?

Gemini 3.1 Pro Preview 支持 1M tokens 上下文,大约能一次读入一份十几万字的资料;中文一般 1 个字约 1 到 2 个 token,实际可用字数取决于内容。

怎么接入 Gemini 3.1 Pro Preview?

调用名是 gemini-3.1-pro-preview,接口地址是 https://generativelanguage.googleapis.com,协议是 https/json,按官方文档填密钥即可调用。

Gemini 3.1 Pro Preview 能私有化部署吗?

Gemini 3.1 Pro Preview 是闭源模型,一般只能通过 Google / Gemini 的 API 或云厂商服务调用,需要私有化部署建议直接联系厂商谈商业方案。

Gemini 3.1 Pro Preview 支持哪些能力?

官方资料显示 Gemini 3.1 Pro Preview 支持深度推理、函数调用、结构化输出、看图、语音输入,发布于 2026-02-01。