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Description

GLM-5.3 is Z.ai’s advanced coding and agentic reasoning model built through scaled post-training on top of the GLM-5.2 base model. The release focuses on frontier coding, long-horizon software engineering, agent tasks, cyber evaluation, and reinforcement learning at scale. GLM-5.3 improves significantly over GLM-5.2 on complex coding benchmarks, real-world engineering environments, Terminal Bench 3.0, DeepSWE, Agents’ Last Exam, and Z.ai’s internal Code Bench. The model is trained on environments that resemble real professional work, including tasks involving codebases, infrastructure, documentation, compute clusters, experiments, bottleneck diagnosis, implementation, testing, and measurable optimization. Z.ai’s post-training stack includes IndexShare for efficient long-context processing, SAO for reinforcement learning on long-horizon tasks, and slime for large-scale asynchronous training. GLM-5.3 supports three thinking effort levels, including low, high, and max, with max recommended for coding tasks. The model also demonstrates emergent cyber capabilities across vulnerability discovery and exploitation benchmarks, prompting continued safety evaluation and hardening before weights are released. GLM-5.3 can be used through the GLM Coding Plan, ZCode, Claude Code, OpenCode, and other coding agent workflows. By combining stronger coding performance, long-horizon task execution, post-training scale, cyber evaluation, reasoning effort controls, and coding-agent integrations, GLM-5.3 supports advanced developer and research workflows.

Description

Zyphra Cloud serves as a comprehensive platform aimed at fostering open superintelligence, translating cutting-edge advancements from Zyphra Research into practical applications for developers, businesses, and leading AI hyperscalers. Tailored for sophisticated AI solutions, it emphasizes the development of long-term agents by integrating agent infrastructure, inference, agent environments, and computational resources into a cohesive system designed for the construction and deployment of open, sovereign AI at a grand scale. Among its features, Zyphra Cloud boasts MAIA, a versatile open superagent crafted for teamwork: a cohesive multimodal framework that harmonizes knowledge sharing, communication, and task execution across various tools and workflows. Designed with multiplayer functionality, MAIA ensures a shared context, maintains persistent memory, and allows for synchronized operations among users and tools, facilitating interactions through language, audio, and visual inputs within a singular, unified reasoning framework. The platform’s initial offering, Zyphra Inference, is specifically engineered to cater to the demands of long-horizon agentic workloads, ensuring efficiency and performance. Furthermore, the integration of these components aims to empower users to innovate and enhance their AI capabilities seamlessly.

API Access

Has API Yes 

API Access

Has API No 

Screenshots View All

Screenshots View All

Integrations

APIFree Yes 
C# Yes 
Cline Yes 
ClinePass Yes 
GLM Coding Plan Yes 
Grok Build Yes 
Hermes Agent Yes 
JavaScript Yes 
JetBrains Junie Yes 
Kotlin Yes 
OpenCode Zen Yes 
PHP Yes 
R Yes 
Roo Code Yes 
Rust Yes 
Swift Yes 
Tabbit Browser Yes 
Vercel AI Gateway Yes 
ZCode Yes 
scikit-learn Yes 

Integrations

APIFree No 
C# No 
Cline No 
ClinePass No 
GLM Coding Plan No 
Grok Build No 
Hermes Agent No 
JavaScript No 
JetBrains Junie No 
Kotlin No 
OpenCode Zen No 
PHP No 
R No 
Roo Code No 
Rust No 
Swift No 
Tabbit Browser No 
Vercel AI Gateway No 
ZCode No 
scikit-learn No 

Pricing Details

Free
Open source
Free Trial No 
Free Version Yes 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Deployment

Web-Based Yes 
On-Premises Yes 
iPhone App No 
iPad App No 
Android App No 
Windows Yes 
Mac Yes 
Linux Yes 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Z.ai

Founded

2023

Country

China

Website

z.ai/

Vendor Details

Company Name

Zyphra

Country

United States

Website

www.zyphra.com/cloud

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