Overview

Provider Type

API

API Endpoint


                                                        https://open.bigmodel.cn/api/paas/v4

Free Tier Highlights

Low concurrency on free Flash models (GLM-4.7-Flash reported at 1 concurrent request)

Quick Start Guide

1

Register at open.bigmodel.cn

2

create an API key under usercenter/apikeys

3

call https://open.bigmodel.cn/api/paas/v4/chat/completions with glm-4.7-flash

Available Models

Model Name	ID	Context	Capabilities
GLM-4.7-Flash Free	`glm-4.7-flash`	200 000 Context	-
GLM-4.5-Flash Free	`glm-4.5-flash`	128 000 Context	-
GLM-4-Flash-250414 Free	`glm-4-flash-250414`	128 000 Context	-
GLM-4.6V-Flash (vision) Free	`glm-4.6v-flash`	128 000 Context	-
GLM-4.1V-Thinking-Flash Free	`glm-4.1v-thinking-flash`	64 000 Context	-
GLM-4V-Flash Free	`glm-4v-flash`	16 000 Context	-

Integration Examples

Ready-to-use code snippets for your applications.

Select a Model

Select Model

main.py

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_ZHIPU_BIGMODEL_KEY",
    base_url="https://open.bigmodel.cn/api/paas/v4"
)

response = client.chat.completions.create(
    model="glm-4.7-flash",
    messages=[
        {"role": "user", "content": "Give me three tips for writing clean code."}
    ]
)

print(response.choices[0].message.content)

index.js

import OpenAI from 'openai';

const client = new OpenAI({
  apiKey: 'YOUR_ZHIPU_BIGMODEL_KEY',
  baseURL: 'https://open.bigmodel.cn/api/paas/v4'
});

const response = await client.chat.completions.create({
  model: 'glm-4.7-flash',
  messages: [
    { role: 'user', content: 'Give me three tips for writing clean code.' }
  ]
});

console.log(response.choices[0].message.content);

terminal

curl https://open.bigmodel.cn/api/paas/v4/chat/completions \
  -H "Authorization: Bearer YOUR_ZHIPU_BIGMODEL_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "glm-4.7-flash",
    "messages": [
      {"role": "user", "content": "Give me three tips for writing clean code."}
    ]
  }'

example.php

<?php
$apiKey = 'YOUR_API_KEY';
$url = "https://open.bigmodel.cn/api/paas/v4/models/glm-4.7-flash:generateContent?key=$apiKey";

$data = [
    "contents" => [
        ["parts" => [["text" => "Explain quantum mechanics"]]]
    ]
];

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);

$response = curl_exec($ch);
curl_close($ch);

echo $response;
?>

main.go

package main

import (
    "context"
    "fmt"
    "log"
    "github.com/google/generative-ai-go/genai"
    "google.golang.org/api/option"
)

func main() {
    ctx := context.Background()
    client, err := genai.NewClient(ctx, option.WithAPIKey("YOUR_API_KEY"))
    if err != nil { log.Fatal(err) }
    defer client.Close()

    model := client.GenerativeModel("glm-4.7-flash")
    resp, err := model.GenerateContent(ctx, genai.Text("Explain quantum mechanics"))
    if err != nil { log.Fatal(err) }
    
    // ...
}

main.py

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_ZHIPU_BIGMODEL_KEY",
    base_url="https://open.bigmodel.cn/api/paas/v4"
)

response = client.chat.completions.create(
    model="glm-4.5-flash",
    messages=[
        {"role": "user", "content": "Give me three tips for writing clean code."}
    ]
)

print(response.choices[0].message.content)

index.js

import OpenAI from 'openai';

const client = new OpenAI({
  apiKey: 'YOUR_ZHIPU_BIGMODEL_KEY',
  baseURL: 'https://open.bigmodel.cn/api/paas/v4'
});

const response = await client.chat.completions.create({
  model: 'glm-4.5-flash',
  messages: [
    { role: 'user', content: 'Give me three tips for writing clean code.' }
  ]
});

console.log(response.choices[0].message.content);

terminal

curl https://open.bigmodel.cn/api/paas/v4/chat/completions \
  -H "Authorization: Bearer YOUR_ZHIPU_BIGMODEL_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "glm-4.5-flash",
    "messages": [
      {"role": "user", "content": "Give me three tips for writing clean code."}
    ]
  }'

example.php

<?php
$apiKey = 'YOUR_API_KEY';
$url = "https://open.bigmodel.cn/api/paas/v4/models/glm-4.5-flash:generateContent?key=$apiKey";

$data = [
    "contents" => [
        ["parts" => [["text" => "Explain quantum mechanics"]]]
    ]
];

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);

$response = curl_exec($ch);
curl_close($ch);

echo $response;
?>

main.go

package main

import (
    "context"
    "fmt"
    "log"
    "github.com/google/generative-ai-go/genai"
    "google.golang.org/api/option"
)

func main() {
    ctx := context.Background()
    client, err := genai.NewClient(ctx, option.WithAPIKey("YOUR_API_KEY"))
    if err != nil { log.Fatal(err) }
    defer client.Close()

    model := client.GenerativeModel("glm-4.5-flash")
    resp, err := model.GenerateContent(ctx, genai.Text("Explain quantum mechanics"))
    if err != nil { log.Fatal(err) }
    
    // ...
}

main.py

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_ZHIPU_BIGMODEL_KEY",
    base_url="https://open.bigmodel.cn/api/paas/v4"
)

response = client.chat.completions.create(
    model="glm-4-flash-250414",
    messages=[
        {"role": "user", "content": "Give me three tips for writing clean code."}
    ]
)

print(response.choices[0].message.content)

index.js

import OpenAI from 'openai';

const client = new OpenAI({
  apiKey: 'YOUR_ZHIPU_BIGMODEL_KEY',
  baseURL: 'https://open.bigmodel.cn/api/paas/v4'
});

const response = await client.chat.completions.create({
  model: 'glm-4-flash-250414',
  messages: [
    { role: 'user', content: 'Give me three tips for writing clean code.' }
  ]
});

console.log(response.choices[0].message.content);

terminal

curl https://open.bigmodel.cn/api/paas/v4/chat/completions \
  -H "Authorization: Bearer YOUR_ZHIPU_BIGMODEL_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "glm-4-flash-250414",
    "messages": [
      {"role": "user", "content": "Give me three tips for writing clean code."}
    ]
  }'

example.php

<?php
$apiKey = 'YOUR_API_KEY';
$url = "https://open.bigmodel.cn/api/paas/v4/models/glm-4-flash-250414:generateContent?key=$apiKey";

$data = [
    "contents" => [
        ["parts" => [["text" => "Explain quantum mechanics"]]]
    ]
];

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);

$response = curl_exec($ch);
curl_close($ch);

echo $response;
?>

main.go

package main

import (
    "context"
    "fmt"
    "log"
    "github.com/google/generative-ai-go/genai"
    "google.golang.org/api/option"
)

func main() {
    ctx := context.Background()
    client, err := genai.NewClient(ctx, option.WithAPIKey("YOUR_API_KEY"))
    if err != nil { log.Fatal(err) }
    defer client.Close()

    model := client.GenerativeModel("glm-4-flash-250414")
    resp, err := model.GenerateContent(ctx, genai.Text("Explain quantum mechanics"))
    if err != nil { log.Fatal(err) }
    
    // ...
}

main.py

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_ZHIPU_BIGMODEL_KEY",
    base_url="https://open.bigmodel.cn/api/paas/v4"
)

response = client.chat.completions.create(
    model="glm-4.6v-flash",
    messages=[
        {"role": "user", "content": "Give me three tips for writing clean code."}
    ]
)

print(response.choices[0].message.content)

index.js

import OpenAI from 'openai';

const client = new OpenAI({
  apiKey: 'YOUR_ZHIPU_BIGMODEL_KEY',
  baseURL: 'https://open.bigmodel.cn/api/paas/v4'
});

const response = await client.chat.completions.create({
  model: 'glm-4.6v-flash',
  messages: [
    { role: 'user', content: 'Give me three tips for writing clean code.' }
  ]
});

console.log(response.choices[0].message.content);

terminal

curl https://open.bigmodel.cn/api/paas/v4/chat/completions \
  -H "Authorization: Bearer YOUR_ZHIPU_BIGMODEL_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "glm-4.6v-flash",
    "messages": [
      {"role": "user", "content": "Give me three tips for writing clean code."}
    ]
  }'

example.php

<?php
$apiKey = 'YOUR_API_KEY';
$url = "https://open.bigmodel.cn/api/paas/v4/models/glm-4.6v-flash:generateContent?key=$apiKey";

$data = [
    "contents" => [
        ["parts" => [["text" => "Explain quantum mechanics"]]]
    ]
];

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);

$response = curl_exec($ch);
curl_close($ch);

echo $response;
?>

main.go

package main

import (
    "context"
    "fmt"
    "log"
    "github.com/google/generative-ai-go/genai"
    "google.golang.org/api/option"
)

func main() {
    ctx := context.Background()
    client, err := genai.NewClient(ctx, option.WithAPIKey("YOUR_API_KEY"))
    if err != nil { log.Fatal(err) }
    defer client.Close()

    model := client.GenerativeModel("glm-4.6v-flash")
    resp, err := model.GenerateContent(ctx, genai.Text("Explain quantum mechanics"))
    if err != nil { log.Fatal(err) }
    
    // ...
}

main.py

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_ZHIPU_BIGMODEL_KEY",
    base_url="https://open.bigmodel.cn/api/paas/v4"
)

response = client.chat.completions.create(
    model="glm-4.1v-thinking-flash",
    messages=[
        {"role": "user", "content": "Give me three tips for writing clean code."}
    ]
)

print(response.choices[0].message.content)

index.js

import OpenAI from 'openai';

const client = new OpenAI({
  apiKey: 'YOUR_ZHIPU_BIGMODEL_KEY',
  baseURL: 'https://open.bigmodel.cn/api/paas/v4'
});

const response = await client.chat.completions.create({
  model: 'glm-4.1v-thinking-flash',
  messages: [
    { role: 'user', content: 'Give me three tips for writing clean code.' }
  ]
});

console.log(response.choices[0].message.content);

terminal

curl https://open.bigmodel.cn/api/paas/v4/chat/completions \
  -H "Authorization: Bearer YOUR_ZHIPU_BIGMODEL_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "glm-4.1v-thinking-flash",
    "messages": [
      {"role": "user", "content": "Give me three tips for writing clean code."}
    ]
  }'

example.php

<?php
$apiKey = 'YOUR_API_KEY';
$url = "https://open.bigmodel.cn/api/paas/v4/models/glm-4.1v-thinking-flash:generateContent?key=$apiKey";

$data = [
    "contents" => [
        ["parts" => [["text" => "Explain quantum mechanics"]]]
    ]
];

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);

$response = curl_exec($ch);
curl_close($ch);

echo $response;
?>

main.go

package main

import (
    "context"
    "fmt"
    "log"
    "github.com/google/generative-ai-go/genai"
    "google.golang.org/api/option"
)

func main() {
    ctx := context.Background()
    client, err := genai.NewClient(ctx, option.WithAPIKey("YOUR_API_KEY"))
    if err != nil { log.Fatal(err) }
    defer client.Close()

    model := client.GenerativeModel("glm-4.1v-thinking-flash")
    resp, err := model.GenerateContent(ctx, genai.Text("Explain quantum mechanics"))
    if err != nil { log.Fatal(err) }
    
    // ...
}

main.py

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_ZHIPU_BIGMODEL_KEY",
    base_url="https://open.bigmodel.cn/api/paas/v4"
)

response = client.chat.completions.create(
    model="glm-4v-flash",
    messages=[
        {"role": "user", "content": "Give me three tips for writing clean code."}
    ]
)

print(response.choices[0].message.content)

index.js

import OpenAI from 'openai';

const client = new OpenAI({
  apiKey: 'YOUR_ZHIPU_BIGMODEL_KEY',
  baseURL: 'https://open.bigmodel.cn/api/paas/v4'
});

const response = await client.chat.completions.create({
  model: 'glm-4v-flash',
  messages: [
    { role: 'user', content: 'Give me three tips for writing clean code.' }
  ]
});

console.log(response.choices[0].message.content);

terminal

curl https://open.bigmodel.cn/api/paas/v4/chat/completions \
  -H "Authorization: Bearer YOUR_ZHIPU_BIGMODEL_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "glm-4v-flash",
    "messages": [
      {"role": "user", "content": "Give me three tips for writing clean code."}
    ]
  }'

example.php

<?php
$apiKey = 'YOUR_API_KEY';
$url = "https://open.bigmodel.cn/api/paas/v4/models/glm-4v-flash:generateContent?key=$apiKey";

$data = [
    "contents" => [
        ["parts" => [["text" => "Explain quantum mechanics"]]]
    ]
];

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);

$response = curl_exec($ch);
curl_close($ch);

echo $response;
?>

main.go

package main

import (
    "context"
    "fmt"
    "log"
    "github.com/google/generative-ai-go/genai"
    "google.golang.org/api/option"
)

func main() {
    ctx := context.Background()
    client, err := genai.NewClient(ctx, option.WithAPIKey("YOUR_API_KEY"))
    if err != nil { log.Fatal(err) }
    defer client.Close()

    model := client.GenerativeModel("glm-4v-flash")
    resp, err := model.GenerateContent(ctx, genai.Text("Explain quantum mechanics"))
    if err != nil { log.Fatal(err) }
    
    // ...
}

Free Tier Pricing & Limits

Rate Limit

Requests per minute

Low concurrency on free Flash models (GLM-4.7-Flash reported at 1 concurrent request)

Daily Quota

Requests per day

Not published

Use Cases

Free Chinese/English chat and vision

batch-free prototyping with GLM Flash

Limitations & Considerations

Low concurrency on free models

registration needs a phone number (Chinese platform)

Community Hub

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Join the discussion, share tips, and rate Zhipu BigModel (China).

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Recent Activity

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Cookie Consent

Zhipu BigModel (China)

Overview

Provider Type

API Endpoint

Free Tier Highlights

Why Choose Zhipu BigModel (China)?

Quick Start Guide

Register at open.bigmodel.cn

create an API key under usercenter/apikeys

call https://open.bigmodel.cn/api/paas/v4/chat/completions with glm-4.7-flash

Available Models

Integration Examples

Select Model

Free Tier Pricing & Limits

Rate Limit

Daily Quota

Use Cases

Limitations & Considerations

Community Hub

Quick Reactions

Add Discussion

Recent Activity

Ready to Get Started?

Cookie Consent

Zhipu BigModel (China)

Overview

Provider Type

API Endpoint

Free Tier Highlights

Why Choose Zhipu BigModel (China)?

Quick Start Guide

Register at open.bigmodel.cn

create an API key under usercenter/apikeys

call https://open.bigmodel.cn/api/paas/v4/chat/completions with glm-4.7-flash

Available Models

Integration Examples

Select Model

Free Tier Pricing & Limits

Rate Limit

Daily Quota

Use Cases

Limitations & Considerations

Community Hub

Quick Reactions

Add Discussion

Recent Activity

Suggest an Edit

Report an Issue

Ready to Get Started?