GLM-5.3-Flash

zai/glm-5.3-flash

A natively multimodal Flash model for efficient coding and long-horizon agent tasks, taking text, images, and video.

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: $0.15Sale price: $0.105Official price: $0.5Sale price: $0.3530% off
Modalities
Text, Image, Video
Context
1M
Released
Aug 26, 2026

Overview

A natively multimodal Flash model for efficient coding and long-horizon agent tasks, taking text, images, and video. 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-Flash 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-Flash

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

    Open guide
  • Codex + GLM-5.3-Flash

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

    Open guide
  • OpenClaw + GLM-5.3-Flash

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

    Open guide
  • pi + GLM-5.3-Flash

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

    Open guide
  • DeepSeek Harness + GLM-5.3-Flash

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

    Open guide
  • Kimi Code + GLM-5.3-Flash

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

    Open guide
  • OpenCode + GLM-5.3-Flash

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

    Open guide
  • Cline + GLM-5.3-Flash

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

    Open guide
  • DeepAgents + GLM-5.3-Flash

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

    Open guide
  • goose + GLM-5.3-Flash

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

    Open guide
  • Grok Build + GLM-5.3-Flash

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

    Open guide
  • Kilo + GLM-5.3-Flash

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

    Open guide
  • MiniMax Code + GLM-5.3-Flash

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

    Open guide
  • Mistral Vibe + GLM-5.3-Flash

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

    Open guide
  • Qwen Code + GLM-5.3-Flash

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

    Open guide
  • OpenHands + GLM-5.3-Flash

    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: $0.15Sale price: $0.105
OutputOfficial price: $0.5Sale price: $0.35
Cache readOfficial price: $0.03Sale price: $0.021
Cache writeOfficial price: $0.15Sale price: $0.105

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-flash",
  messages: [{ role: "user", content: "Summarise this ticket." }],
});
console.log(completion.usage.cost); // USD, in the response

Questions