GLM 5.3

Context

1M

Max output

128K

Capabilities

Show unsupported (6)

Reasoning & Interaction

Reasoning

Infrastructure

Streaming

Details

Model IDzai.glm-5.3

ProviderAmazon Bedrock

CreatorZ.AI (Zhipu)

Family—

License—

Status—

Typechat

Input modalitiestext

Output modalitiestext

Open weight—

Parameters—

Architecture—

Context window1M tokens

Max input—

Max output128K tokens

Reasoning tokensYes

Knowledge cutoff—

Release date2026-10-05

Sourceofficial

API

GET/v1/models/amazon/zai.glm-5.3