GLM-5.3 — Model Drop — Dropday.ai

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GLM-5.3

Z.aiDropped Aug 14, 202630 builds28 makers6 prompts

Upgraded agentic coding and long-horizon task handling with automatic routing from prior GLM-5.x builds.

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The most interesting things people are building with AI, all in one place — followed and tracked as they evolve from first demo to real product.

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GLM 5.3

Engy.ai

gerald's recursive bicycle

About this release

What is GLM-5.3?

GLM-5.3 is Z.ai's current flagship open-weight coding and agent model. It succeeds GLM-5.2 and is the default target for new requests on the GLM Coding Plan and developer APIs. The model emphasizes stronger reasoning, tool use, and complex task execution for developers building agents and production coding workflows.

Read the official Z.ai launch page

Worth opening first

Standouts

Engy.ai

Verified LLM inference with cryptographic proofs for agentic workflows.

gerald's recursive bicycle

gerald's recursive bicycle

One-shot recursive pelican loop demonstrating multimodal scene-state tracking.

Same brief, other models

All challenges →

Challenge

Minecraft

Same brief across models — older takes on the left, newer on the right.

34 / 38Compare all →

Playable20 Prompts6 More builds8

Playable

20

Engy.ai

Verified LLM inference with cryptographic proofs for agentic workflows.

Apps

Whiteout Protocol

PlayableOpen source

Whiteout Protocol

An arctic survival shooter built autonomously by AI

Games

OUTPOST 9

A 3D wave-based combat simulation where you defend against endless hostiles.

Games

Wildfire

A procedural real-time fire ecology and behavior simulation.

Toys

Prompts

6

gerald's recursive bicycle

gerald's recursive bicycle

One-shot recursive pelican loop demonstrating multimodal scene-state tracking.

Video

Godzilla Megacity Destruction

Godzilla Megacity Destruction

A cinematic procedural Three.js simulation of a Godzilla-like monster destroying a megacity

Toys

AI Arcade

Free online games and web toys built entirely by frontier AI models.

Apps

Fire HD 10 (2021) AI-Driven Root Exploit

Fire HD 10 (2021) AI-Driven Root Exploit

A successful root exploit for the Fire HD 10 using Kimi K3 and GLM-5.3 agents.

agent

More builds

8

Bloch sphere gate composer

Bloch sphere gate composer

Visualize quantum qubit states and gate rotations on an interactive Bloch sphere.

Toys

GLM Zombies Clone

GLM Zombies Clone

A Call of Duty Zombies clone featuring classic perks, wall buys, and rebuildable barriers.

Games

GLM 5.3 Autonomous Song

GLM 5.3 Autonomous Song

A multi-track song autonomously composed, arranged, and mixed by a GLM-5.3 agent

Audio

Browse all 30 GLM-5.3 builds in the feed

Built something with GLM-5.3?

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