Active

Apr 7, 2026

ProducerZ.ai

FamilyGLM

APIOpen WeightsLocal RunCloud

GLM-5.1

LLMReasoning

Flagship open-source agentic model from Z.ai (Zhipu AI), based on a Mixture-of-Experts architecture with 744B total parameters and 40B active parameters.

Available on

Hugging Face Hub

Technical specification

Context window

Parameters

744B total (40B active per token)

Max output

License

MIT

Tools

Yes

Fine-tuning

Weights access

Open weights

Last updated: Apr 8, 2026

Modalities

Input

Text

Output

Text

Code

Structured data

Capabilities

Coding★

Coding

Reasoning★

Reasoning

Multi-step reasoning★

Reasoning

Multilingual★

Language

Planning★

Planning

Structured output★

Structured gen.

Function Calling

Planning

Long context★

Reasoning

Streaming output

Reasoning

Architecture and technologies

Core Architecture

Form / Family

Training Techniques

Applications

Pricing

Apr 8, 2026Source

PublicUSD

Open-source model (MIT license). Weights available free of charge on Hugging Face and ModelScope. API access is provided via the Z.ai platform (docs.z.ai) — pricing listed on the platform's website.

📋

Public pricing is marked but no items (e.g. price per 1M tokens) have been added yet.