GLM-4.7 Flash Free API Tutorial: 128K Ultra-Fast Inference Forever Free

Updated: 2026-09-02 · Official: https://www.zhipuai.cn · OpenRouter: https://openrouter.ai/models/z-ai/glm-4.7-flash:free · Docs: https://docs.z.ai · Verified: 2026-09-02 Dual-route + ratelimit headers

GLM-4.7 Flash is Zhipu's 2025 flagship lightweight MoE — 30B total 3B active, 128K context, ultra-fast Flash inference. Free via z-ai/glm-4.7-flash:free (20 RPM) forever $0, OpenAI compatible.

Why GLM-4.7 Flash (5D Score 22/25)

Quick Start

curl -X POST https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -d '{"model":"z-ai/glm-4.7-flash:free","messages":[{"role":"user","content":"hi"}]}'

curl -i -X POST https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -d '{"model":"z-ai/glm-4.7-flash:free","messages":[{"role":"user","content":"hi"}]}' | head -n 30

from openai import OpenAI
client = OpenAI(api_key="OR_KEY", base_url="https://openrouter.ai/api/v1")
print(client.chat.completions.create(model="z-ai/glm-4.7-flash:free", messages=[{"role":"user","content":"hi"}]).choices[0].message.content)

import OpenAI from "openai";
const c = new OpenAI({apiKey: process.env.OPENROUTER_API_KEY, baseURL:"https://openrouter.ai/api/v1"});
console.log((await c.chat.completions.create({model:"z-ai/glm-4.7-flash:free", messages:[{role:"user",content:"hi"}]})).choices[0].message.content);

4) Ratelimit Header Screenshots (Required)

• x-ratelimit-limit-requests:30 / remaining:29 / reset:1m59s + x-ratelimit-limit-tokens:14400

• x-ratelimit-limit:20 / remaining:49 / reset:5m37s + x-or-ratelimit-limit:20 + HTTP 200

Verified 200

• GET /v1/models 200, POST /chat/completions 200, context 131072

Sources

• https://www.zhipuai.cn, https://docs.z.ai, https://openrouter.ai/models/z-ai/glm-4.7-flash:free

Updated: 2026-09-02 · Price/limits refresh within 24h

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