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POST
/
v1
/
embeddings
创建嵌入
curl --request POST \
  --url https://api.example.com/v1/embeddings \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "<string>",
  "input": [
    "<string>"
  ],
  "encoding_format": "<string>",
  "dimensions": 123
}
'
import requests

url = "https://api.example.com/v1/embeddings"

payload = {
    "model": "<string>",
    "input": ["<string>"],
    "encoding_format": "<string>",
    "dimensions": 123
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)
const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    model: '<string>',
    input: ['<string>'],
    encoding_format: '<string>',
    dimensions: 123
  })
};

fetch('https://api.example.com/v1/embeddings', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));
<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.example.com/v1/embeddings",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'model' => '<string>',
    'input' => [
        '<string>'
    ],
    'encoding_format' => '<string>',
    'dimensions' => 123
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.example.com/v1/embeddings"

	payload := strings.NewReader("{\n  \"model\": \"<string>\",\n  \"input\": [\n    \"<string>\"\n  ],\n  \"encoding_format\": \"<string>\",\n  \"dimensions\": 123\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}
HttpResponse<String> response = Unirest.post("https://api.example.com/v1/embeddings")
  .header("Content-Type", "application/json")
  .body("{\n  \"model\": \"<string>\",\n  \"input\": [\n    \"<string>\"\n  ],\n  \"encoding_format\": \"<string>\",\n  \"dimensions\": 123\n}")
  .asString();
require 'uri'
require 'net/http'

url = URI("https://api.example.com/v1/embeddings")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"model\": \"<string>\",\n  \"input\": [\n    \"<string>\"\n  ],\n  \"encoding_format\": \"<string>\",\n  \"dimensions\": 123\n}"

response = http.request(request)
puts response.read_body
更新日期：2026-06-06

​
接口说明

将输入文本转换为高维向量，用于语义搜索、聚类、推荐等场景。完全兼容 OpenAI Embeddings API 格式。

​
支持模型

模型维度说明
text-embedding-3-large3072高精度，推荐用于生产环境
text-embedding-3-small1536性价比高
text-embedding-ada-0021536经典模型

​
请求参数

​
model
string
必填
嵌入模型名称，如 text-embedding-3-large
​
input
string | string[]
必填
要嵌入的文本，支持单个字符串或字符串数组
​
encoding_format
string
默认值:"float"
返回格式：float 或 base64
​
dimensions
integer
输出向量维度（仅 text-embedding-3-* 支持）

​
响应格式

{
  "object": "list",
  "data": [
    {
      "object": "embedding",
      "index": 0,
      "embedding": [0.0023064255, -0.009327292, ...]
    }
  ],
  "model": "text-embedding-3-large",
  "usage": {
    "prompt_tokens": 8,
    "total_tokens": 8
  }
}

​
代码示例

from openai import OpenAI

client = OpenAI(
    api_key="sk-xxx",
    base_url="https://api.crazyrouter.com/v1"
)

response = client.embeddings.create(
    model="text-embedding-3-large",
    input="Crazyrouter 是一个 AI 模型网关"
)

embedding = response.data[0].embedding
print(f"向量维度: {len(embedding)}")
print(f"前5个值: {embedding[:5]}")

response = client.embeddings.create(
    model="text-embedding-3-large",
    input=[
        "第一段文本",
        "第二段文本",
        "第三段文本"
    ]
)

for item in response.data:
    print(f"索引 {item.index}: 维度 {len(item.embedding)}")

curl -X POST https://api.crazyrouter.com/v1/embeddings \
  -H "Authorization: Bearer sk-xxx" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "text-embedding-3-large",
    "input": "Crazyrouter 是一个 AI 模型网关"
  }'
批量请求时，单次最多支持 2048 条文本。建议每条文本不超过 8191 tokens。