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What is Legalbook.io?

Legalbook.io is an innovative platform that leverages artificial intelligence to streamline the contract review process for legal professionals, enabling them to identify risks, propose alternative clauses, and edit contracts in under three minutes. The company's mission is to revolutionize the entire contract lifecycle through AI technology, encompassing stages from drafting and reviewing to negotiating and executing contracts, while also offering sophisticated tools like Deal Room and Sensitivity Analysis to enhance the user experience and efficiency. With these advanced features, Legalbook aims to transform the way legal teams operate in a fast-paced environment.

What is GLM-Legal?

GLM-Legal is a domain-specialized artificial intelligence model developed by Z.ai for legal reasoning, document analysis, professional legal research, and agentic workflow execution. Introduced in October 2026, the model is based on the GLM-5.3-Flash architecture and incorporates additional training focused on legal knowledge and practical legal assignments. Its training process combines specialized legal corpora, domain-focused mid-training, and reinforcement learning across simulated legal work environments. GLM-Legal is designed to analyze source documents, identify material facts, interpret applicable legal principles, and develop structured arguments supported by relevant evidence. Contract review capabilities enable the model to evaluate agreement provisions, identify legal and commercial risks, and recommend specific changes to contractual language. Its evidence analysis functionality supports the examination of multiple documents, identification of inconsistent statements, and development of arguments based on referenced source materials. The model can also conduct compliance research involving privacy regulations, cross-border data transfers, marketing requirements, and other jurisdiction-specific legal obligations. GLM-Legal supports multistep agent workflows that combine contextual information retrieval, document analysis, legal reasoning, and generation of formatted work products. Planned integration with AutoClaw enables legal professionals to use these capabilities in document editing workflows, including Microsoft Word files with tracked changes and comments. Z.ai reports a 19.2% all-pass rate on Harvey's Legal Agent Benchmark, representing a 12.5-percentage-point improvement over the underlying base model, alongside competitive results on LegalBench and PLawBench. GLM-Legal is available for beta applications, with Z.ai offering prospective users an opportunity to request API access and explore integration into legal technology.

Media

Media

Integrations Supported

Clio

Integrations Supported

AutoClaw
Z.ai

API Availability

API Availability

Has API

Pricing Information

$45/month
1 User Login
3 Contract Review Credits
Facts and Obligations
Risk Analysis
Clause Mapping
Contract Summary
Redlined Contract
No Legalbook Watermark, Create Your Own Branding
Complete Review and Analysis of the Contract
Free Version

Pricing Information

Pricing not provided

Supported Platforms

SaaS

Supported Platforms

SaaS

Customer Service / Support

Not specified

Customer Service / Support

Not specified

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

Legalbook.io

Date Founded

2018

Company Location

United States

Company Website

legalbook.io

Company Facts

Organization Name

Z.ai

Date Founded

2019

Company Location

China

Company Website

z.ai/blog/glm-legal

Categories and Features

AI Contract Review

Not specified

AI Legal

Not specified

Contract Analysis

Not specified

Categories and Features

AI Contract Review

Not specified

AI Legal

Not specified

AI Models

Not specified

Large Language Models

Not specified

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