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What is Prime Intellect?

Prime Intellect functions as an all-encompassing superintelligence framework, providing a unified platform for computation, training, inference, and experimentation for teams focused on the creation, implementation, and continual refinement of their models. Rather than depending on breakthroughs from leading models, this stack prioritizes the ownership of intelligence, granting users a unified loop for reinforcement learning environments alongside comprehensive training, evaluations, inference, and computational requirements. Within the Lab, groups can enable self-optimizing agents by converting tasks into reinforcement learning formats and leveraging the Prime CLI for creation, development, evaluation, and deployment. The Environment Hub offers access to a vast array of over 2,500 open-source RL environments, while hosted evaluations allow teams to measure model performance across multiple open-source frameworks without the hassle of managing infrastructure. Furthermore, Hosted Training supports large-scale models designed for agentic workflows, ensuring that training processes are managed with full visibility and control, complemented by direct support from a dedicated applied research team, thereby enhancing the overall user experience in model development. This cohesive approach not only simplifies the development journey but also cultivates an atmosphere of innovation and teamwork among the groups involved, ultimately leading to more effective and efficient outcomes.

What is GLM-5.3?

GLM-5.3 is Z.ai’s frontier coding model built to improve complex software engineering, long-horizon agent work, and advanced technical reasoning through scaled post-training. The model uses the same base model as GLM-5.2, with performance gains coming from additional post-training environments, more diverse tasks, and expanded compute on the existing training stack. Z.ai’s stack includes IndexShare for efficient long-context processing, SAO for reinforcement learning on long-horizon tasks, and slime for large-scale asynchronous post-training. GLM-5.3 is designed to perform better on work that resembles real engineering tasks rather than short coding exercises. Its training environments include production-style workflows where the model must diagnose bottlenecks, inspect documentation, use codebases, run experiments, implement changes, and produce measurable improvements. The model improves coding performance across public and private benchmarks, including Terminal Bench 3.0, DeepSWE, Agents’ Last Exam, and Z.ai Code Bench. GLM-5.3 also improves token efficiency, producing stronger agentic coding results than GLM-5.2 while using fewer output tokens in Z.ai’s internal evaluations. The model supports three reasoning effort levels, low, high, and max, and no longer supports disabling thinking. Z.ai recommends max reasoning effort for coding tasks, while applications using disabled thinking must migrate to enabled thinking before switching to GLM-5.3. The release also reports emergent cyber capabilities, including stronger vulnerability discovery and exploitation-chain reasoning, with open-weight release planned after safety evaluation and hardening. By combining scaled post-training, long-context infrastructure, long-horizon reinforcement learning, coding-agent workflows, benchmark improvements, reasoning controls, and ZCode integration, GLM-5.3 helps developers and researchers work on demanding coding and agentic tasks.

Media

Media

Integrations Supported

Amp
Cherry Studio
ClinePass
Cursor
Dessix
Factory Droid
GLM Coding Plan
Grok Build
Java
JavaScript
OpenClaw
OpenCode Go
Python
R
Rust
Swift
TypeScript
Vercel AI Gateway
Yonoo
Z.ai

Integrations Supported

Amp
Cherry Studio
ClinePass
Cursor
Dessix
Factory Droid
GLM Coding Plan
Grok Build
Java
JavaScript
OpenClaw
OpenCode Go
Python
R
Rust
Swift
TypeScript
Vercel AI Gateway
Yonoo
Z.ai

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided
Free Version
Free Trial Offered?

Pricing Information

Free
Open source
Free Version
Free Trial Offered?

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Prime Intellect

Company Location

United States

Company Website

www.primeintellect.ai/

Company Facts

Organization Name

Z.ai

Date Founded

2023

Company Location

China

Company Website

z.ai/

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