GLM-4.6V-Flash — Free AI Model & API

z-ai-zhipu-ai/glm-4-6v-flash

chat

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Context Window 128K

Max Output 4K

Rate Limit 1 concurrent request

Cost $0.00 FREE

Free Period Since May 10, 2026

Credit Card Not required

Status Online

Overview

This Z AI model, GLM-4.6V-Flash, is a large language model with 128k tokens and 4k token output, ideal for text-based chat applications. It's openAI compatible and doesn't require a credit card, with a rate limit of one request at a time.

Model ID

glm-4-6v-flash

Base URL

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

Specifications

Context: 128K · Output: 4K · Modality: text · OpenAI Compat: Yes

Quick Start

Integrate GLM-4.6V-Flash with 3 lines of code. See the config generator for Claude Code, Cursor, and more.

from openai import OpenAI

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

response = client.chat.completions.create(
 model="glm-4-6v-flash",
 messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)

import OpenAI from "openai";

const openai = new OpenAI({
 baseURL: "https://open.bigmodel.cn/api/paas/v4",
 apiKey: "YOUR_API_KEY",
});

const completion = await openai.chat.completions.create({
 model: "glm-4-6v-flash",
 messages: [{ role: "user", content: "Hello!" }],
});

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

curl https://open.bigmodel.cn/api/paas/v4/chat/completions \
 -H "Content-Type: application/json" \
 -H "Authorization: Bearer YOUR_API_KEY" \
 -d '{
 "model": "glm-4-6v-flash",
 "messages": [{"role": "user", "content": "Hello!"}]
 }'

Other Free Models from Z AI (Zhipu AI)

GLM-4.7-Flash

200K context · No card

GLM-4.5-Flash

128K context · No card

Rate Limits & Constraints

Rate Limit 1 concurrent request

Context Window 128K

Max Output Tokens 4K

Cost Free — since May 10, 2026

Credit Card Not required

OpenAI Compatible Yes — drop-in replacement

Z AI (Zhipu AI) Platform Limitations

1 concurrent request only — unusable for multi-user apps
China-hosted — high latency outside Asia
Chinese phone number required for registration

Features & Use Cases

Best For

Chat

Modality Support

text

Z AI (Zhipu AI) Highlights

GLM-4.7-Flash: 200K context
No credit card required
Chinese + English bilingual
OpenAI-compatible endpoint

Playground — Test GLM-4.6V-Flash

Test GLM-4.6V-Flash directly in your browser. Your API key is sent directly to Z AI (Zhipu AI) — never stored.

Model: GLM-4.6V-Flash Get Key

🔒 Your key is never stored — sent directly to the model provider via our server proxy.

Ready to chat with GLM-4.6V-Flash.

Frequently Asked Questions

How do I get an API key for GLM-4.6V-Flash?

Sign up at Z AI (Zhipu AI) to get your API key. No credit card is required — just an email sign-up. Once you have the key, use the code snippets in the Quick Start section above.

Is GLM-4.6V-Flash really free?

Yes. GLM-4.6V-Flash is available on Z AI (Zhipu AI)'s free tier and has been free since May 10, 2026. Rate limits apply: 1 concurrent request. Always check the provider's terms for any changes to the free tier.

What are GLM-4.6V-Flash's rate limits?

1 concurrent request Context window: 128K. Max output: 4K. No credit card required.

What are the best free alternatives to GLM-4.6V-Flash?

Popular free alternatives include inclusionAI: Ring-2.6-1T, Baidu Qianfan: CoBuddy (free), Owl Alpha. You can also browse all 147+ free models on our site.