Z.ai (Zhipu)Open weights

GLM 5.3 Flash

Name: GLM 5.3 Flash
Author: Z.ai (Zhipu)

Ranked on the boards below, #1 on 1 board.

Overall rank

Podium score

Board wins

Aug 20, 2026

Released

·Chat ·Reasoning ·Coding ·Vision ·Speed 5Price 1Usage

Chat

Which model people prefer in blind head-to-head conversations.

Text Arena

1,475 · of 100

as “glm-5.3-flash”

Reasoning

Hard questions with checkable answers: science, math, puzzles, expert exams.

as “glm-5.3-flash_max”

Coding

Fixing real repositories, building web apps, editing code.

WebDev Arena

1,612 · of 100

as “glm-5.3-flash”

Vision

Understanding images, charts and documents.

Vision Arena

1,275 · of 100

as “glm-5.3-flash”

Speed

Output tokens per second on the vendor API.

AA Speed

46 tok/s · of 24

as “GLM 5.3 Flash”

Price

Blended API price per million tokens, cheapest first.

AA Price

$0.24 · of 27

as “GLM 5.3 Flash”

Usage

What developers actually send tokens to.

OpenRouter

19.0T tok · of 19

as “z-ai/glm-5.3-flash-20260826”

More from Z.ai (Zhipu)

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Scores as published by each board on the capture date. Model names and logos belong to their owners; logos via logo.dev.