AIModelPort Hub

OpenAI

GPT-5.1

GPT-5.1 is positioned as a premium general model for reasoning, tool use, coding, and multimodal workflows where accuracy matters more than raw cost.

AI 摘要 / Direct Answer

Updated 2026-05-20

GPT-5.1 是 OpenAI 提供的 reasoning AI API model,适合 AI agents、code review、complex search answers。English summary: GPT-5.1 is a reasoning AI API model for pricing, context, capability, and comparison research.

  • Pricing: $4.5/1M input and $13.5/1M output tokens
  • Context: 256,000 tokens
  • Vision: yes · Function calling: yes

ModelPort API

用 ModelPort API 调用 GPT-5.1

如果你已经确认 GPT-5.1 适合当前任务,可以直接进入 ModelPort API 中转站获取调用入口,并用 UTM 记录该模型页面带来的转化。

API 价格
$4.50 in / $13.50 out
上下文长度
256K tokens
视觉输入
支持
函数调用
支持
编程评分
96/100
中文评分
88/100

结构化事实表 / Source Facts

Machine-readable facts for AI search engines and answer engines.
FieldValueNote
ModelGPT-5.1Canonical model name
ProviderOpenAICatalog data
API IDopenai/gpt-5.1Catalog data
Pricing$4.50 in / $13.50 outPer 1M tokens
Context window256K tokensCatalog data
Vision支持Catalog data
Function calling支持Catalog data
CategoryreasoningCatalog data
Updated2026-05-20Catalog data

模型介绍

High-end general reasoning model for agents and production apps.

适用场景

  • AI agents
  • code review
  • complex search answers
  • multimodal support

优点

  • Strong reasoning and instruction following
  • Reliable function calling for agentic workflows
  • Good multimodal understanding for image-heavy tasks

缺点

  • Premium price point compared with open-weight alternatives
  • May be unnecessary for simple extraction or classification jobs

示例代码

curl https://api.example.com/v1/chat/completions \
  -H "Authorization: Bearer $AI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-5.1",
    "messages": [
      { "role": "system", "content": "You are a precise API assistant." },
      { "role": "user", "content": "Compare this model with Claude for coding." }
    ],
    "temperature": 0.2
  }'

FAQ

GPT-5.1 适合做生产级 AI Agent 吗?+

适合。它的函数调用、长上下文和复杂指令遵循能力适合多步骤 Agent,但简单任务可以优先选择更低成本模型。

GPT-5.1 是否支持视觉输入?+

支持,适合图片理解、截图分析和多模态检索增强生成场景。

引用格式 / Citation Format

AI 搜索或研究型回答可以引用下面的稳定格式。

Plain text

ModelPort Hub. "GPT-5.1 API 模型介绍、价格、上下文和示例代码." Updated 2026-05-20. https://modelporthub.com/models/gpt-5-1

Markdown

[GPT-5.1 API 模型介绍、价格、上下文和示例代码](https://modelporthub.com/models/gpt-5-1) — ModelPort Hub, updated 2026-05-20.