GLM-5.1

Closed weights Z.ai (Zhipu AI) 754B parameters April 2026

No estimate

No hardware requirements for this model

The weights for this model have not been published, so it cannot be downloaded or run on your own hardware at any size. It is reachable only through its provider, and no graphics card changes that.

On record

Full specification

Everything on record for this model. Most of it describes how it was trained rather than how it runs — useful context for judging how much work went into it, and how it compares with models built at a different scale.

Origin

Who built this model, where, and when it was published.

Organisation
Z.ai (Zhipu AI)
Organisation type
Industry
Country
China
Published
7 April 2026

What it does

The problem areas the model was built for. A model can carry several of each.

Domain
Language
Task
Language modeling/generation, Question answering

Size

How large the model is and how much data it was trained on. Parameters are the figure that decides whether it fits on a given graphics card.

Parameters
754B

Based on HF page: https://huggingface.co/zai-org/GLM-5.1

Training data
tokens

How it is classified

Labels the source dataset applies when tracking notable models, and how confident it is in the entry.

Why it is tracked
Discretionary
Record confidence
Confident

Sources

Where this record came from and when it was last checked.

Reference
GLM-5.1: Towards Long-Horizon Tasks
Last updated
7 May 2026

What the numbers mean

What this model is

GLM-5.1 was published by Z.ai (Zhipu AI), in China, in April 2026. The organisation is categorised as industry.

It works in Language, and is recorded as doing language modeling/generation, Question answering.

Its weights were never published, so it can only be reached through its provider. No graphics card changes that.

What went into building it

The reason it appears in this catalogue at all is discretionary.

Answers

GLM-5.1 — common questions

01

Who created GLM-5.1?

GLM-5.1 was published by Z.ai (Zhipu AI), based in China, categorised as industry.

02

When was GLM-5.1 released?

GLM-5.1 was published in April 2026.

03

What is GLM-5.1 used for?

GLM-5.1 works in Language, and is recorded as handling language modeling/generation, Question answering. Models frequently carry more than one of each, and the tags describe purpose rather than capability limits.

04

What GPU do I need to run GLM-5.1?

None. GLM-5.1 is a closed model — its weights were never published, so it cannot be downloaded or run on your own hardware at any price. It is reachable only through its provider.

05

Is GLM-5.1 open source?

The licensing for GLM-5.1 was never recorded in our source data. We treat unstated licensing as closed, because an unrecorded licence is not one to rely on.

06

How many parameters does GLM-5.1 have?

GLM-5.1 has 754B parameters. Based on HF page: https://huggingface.co/zai-org/GLM-5.1. That figure is the total, and it is what decides how much memory the model needs — roughly half a gigabyte per billion at the compression most people use.

Source

Original publication

Record last updated 7 May 2026

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