MULTIMODAL MODEL · Aug 25, 2026

GLM-5.3-Flash

By Zhipu AI 智谱

GLM-5.3-Flash by Zhipu AI: released Aug 25, 2026; 320B total, 18B active parameters; open weights under MIT; API available outside China; list price $0.15 input / $0.50 output per 1M tokens.

Verified facts

Outside China
Global API · verified Sep 29, 2026 · Evidence
Open weights
Yes · verified Sep 29, 2026 · Evidence
License
MIT · verified Sep 29, 2026 · Evidence
Claim status
Company-reported · verified Sep 29, 2026 · Evidence
Parameters
320B total, 18B active · verified Sep 29, 2026 · Evidence
Context window
Not verified yet
List price
$0.15 input / $0.50 output per 1M tokens · verified Sep 29, 2026 · Evidence
Hugging Face
zai-org/GLM-5.3-Flash · verified Sep 29, 2026

Compare current API prices on ModelPriceLab.

Release timeline

  1. Zhipu AI released GLM-5.3-Flash, a 320B-parameter multimodal model with 18B active parameters, on Hugging Face