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TEXT MODEL · Aug 18, 2026

GLM-5.3

By Zhipu AI 智谱

Access & availability

Outside China
Global API · verified Sep 29, 2026 · Evidence
Open weights
Yes · verified Nov 2, 2026 · Evidence
License
GLM-5.3 License (large MaaS operators subject to security review) · verified Nov 2, 2026 · Evidence
Hugging Face
zai-org/GLM-5.3 · verified Nov 2, 2026 · Evidence

Compare current API prices on ModelPriceLab.

GLM-5.3 by Zhipu AI: released Aug 18, 2026; open weights under GLM-5.3 License (large MaaS operators subject to security review); API available outside China; list price $1.40 input / $4.40 output per 1M tokens.

Specifications

Released
Aug 18, 2026 · verified Sep 29, 2026 · Evidence
Claim status
Company-reported · verified Sep 29, 2026 · Evidence
Parameters
Not verified yet
Context window
Not verified yet
List price
$1.40 input / $4.40 output per 1M tokens · verified Sep 29, 2026 · Evidence

Release timeline

  1. Reportedly: Zhipu AI Gray-Releases GLM-5.3-Highspeed in ZCode, Users Measure About 490 Tokens/s
  2. Zhipu AI released GLM-5.3-BF16 open-weights model on Hugging Face
  3. Zhipu AI released GLM-5.3-Flash, a 320B-parameter multimodal model with 18B active parameters, on Hugging Face