GLM-5.3

zai/glm-5.3

The current GLM flagship for software engineering and agent workloads, with configurable reasoning effort.

Review option pricing before running.

Runs started with multiple options stay blind until you vote.

Use through the API
In / out per 1M
Official price: $1.40Sale price: $0.98Official price: $4.40Sale price: $3.0830% off
Modalities
Text
Context
1M
Released
Aug 18, 2026

Overview

The current GLM flagship for software engineering and agent workloads, with configurable reasoning effort. It is billed from the same balance as every other model and tool here, and the price of each call comes back in the response.

Run GLM-5.3 with an agent

Each guide pairs this model with a currently compatible agent, explains their separate roles, and opens the shared Composer with both selections ready.

  • Hermes + GLM-5.3

    Compatibility, setup, current model facts, pricing boundaries, and a preselected Composer.

    Open guide
  • Codex + GLM-5.3

    Compatibility, setup, current model facts, pricing boundaries, and a preselected Composer.

    Open guide
  • OpenClaw + GLM-5.3

    Compatibility, setup, current model facts, pricing boundaries, and a preselected Composer.

    Open guide
  • pi + GLM-5.3

    Compatibility, setup, current model facts, pricing boundaries, and a preselected Composer.

    Open guide
  • DeepSeek Harness + GLM-5.3

    Compatibility, setup, current model facts, pricing boundaries, and a preselected Composer.

    Open guide
  • Kimi Code + GLM-5.3

    Compatibility, setup, current model facts, pricing boundaries, and a preselected Composer.

    Open guide
  • OpenCode + GLM-5.3

    Compatibility, setup, current model facts, pricing boundaries, and a preselected Composer.

    Open guide
  • Cline + GLM-5.3

    Compatibility, setup, current model facts, pricing boundaries, and a preselected Composer.

    Open guide
  • DeepAgents + GLM-5.3

    Compatibility, setup, current model facts, pricing boundaries, and a preselected Composer.

    Open guide
  • goose + GLM-5.3

    Compatibility, setup, current model facts, pricing boundaries, and a preselected Composer.

    Open guide
  • Grok Build + GLM-5.3

    Compatibility, setup, current model facts, pricing boundaries, and a preselected Composer.

    Open guide
  • Kilo + GLM-5.3

    Compatibility, setup, current model facts, pricing boundaries, and a preselected Composer.

    Open guide
  • MiniMax Code + GLM-5.3

    Compatibility, setup, current model facts, pricing boundaries, and a preselected Composer.

    Open guide
  • Mistral Vibe + GLM-5.3

    Compatibility, setup, current model facts, pricing boundaries, and a preselected Composer.

    Open guide
  • Qwen Code + GLM-5.3

    Compatibility, setup, current model facts, pricing boundaries, and a preselected Composer.

    Open guide
  • OpenHands + GLM-5.3

    Compatibility, setup, current model facts, pricing boundaries, and a preselected Composer.

    Open guide

Pricing

30% off

Prices in USD per million tokens, using your plan when signed in.

MeterPer 1M tokens
InputOfficial price: $1.40Sale price: $0.98
OutputOfficial price: $4.40Sale price: $3.08
Cache readOfficial price: $0.26Sale price: $0.182
Cache writeOfficial price: $1.40Sale price: $0.98

Your balance and per-call records come from /v1/credits and /v1/generation.

Use it

Point your client at the gateway and pass this model id. Nothing else changes.

import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://gateway.agentsky.dev/v1",
  apiKey: process.env.AGENTSKY_API_KEY, // ast_…
});

const completion = await client.chat.completions.create({
  model: "zai/glm-5.3",
  messages: [{ role: "user", content: "Summarise this ticket." }],
});
console.log(completion.usage.cost); // USD, in the response

Questions