GLM-5.2 > Opus 4.8

Stronger reasoning. Better code. 100× cheaper.
OpenAI-compatible API. Drop-in replacement. Free trial.

GLM-5.2 vs Claude Opus 4.8 vs GPT-4o

GLM-5.2Opus 4.8GPT-4o
Reasoning Best-in-class Strong Good
Code generation Top-tier Excellent Strong
Context window 128K 200K 128K
Price / 1M tokens $0.008 $15.00 $2.50
Cheaper by BASELINE 1,875× 312×
OpenAI-compatible YES via proxy YES

GLM-5.2 uses reasoning (chain-of-thought) — it thinks before answering. This produces better code, fewer errors, and deeper analysis than non-reasoning models.

Quick Start — 2 lines

# 1. Get free key in Telegram: @glm_api_bot # 2. Use it anywhere: curl http://154.86.119.184:8765/v1/chat/completions \ -H "Content-Type: application/json" \ -H "Authorization: Bearer YOUR_KEY" \ -d '{"model":"glm-5.2","messages":[{"role":"user","content":"Write a Python sort function"}],"max_tokens":500}'

Works with OpenAI SDK, LangChain, Open WebUI, LibreChat — anything OpenAI-compatible.

Pricing (per 1M tokens)

ModelPriceContextBest for
glm-5.2$0.008128KReasoning, code, hard problems
glm-5.1$0.006128KStable all-rounder
glm-5$0.006128KGeneral tasks
glm-5-turbo$0.002128KHigh-volume, speed
glm-4-plus$0.005128KProven GLM-4

All models include reasoning (chain-of-thought). Minimum max_tokens: 200.

10% of official Z.ai pricing. No hidden fees. Pay per token.

Works Everywhere

# Python (OpenAI SDK) from openai import OpenAI client = OpenAI(base_url="http://154.86.119.184:8765/v1", api_key="YOUR_KEY") response = client.chat.completions.create( model="glm-5.2", messages=[{"role": "user", "content": "Explain quantum computing"}], max_tokens=500 )

Plugins: Open WebUI, LibreChat, SillyTavern, LangChain, n8n, Flowise — just set base_url to http://154.86.119.184:8765/v1

Free trial No credit card OpenAI SDK 128K context 10% official price
Get Key in Telegram