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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
Integrations
Amp
Yes
CSS
Yes
Cheaper Inference
Yes
Cherry Studio
Yes
Cline
Yes
Cosmos
Yes
Dessix
Yes
HTML
Yes
Hermes Agent
Yes
Java
Yes
Integrations
Amp
No
CSS
No
Cheaper Inference
No
Cherry Studio
No
Cline
No
Cosmos
No
Dessix
No
HTML
No
Hermes Agent
No
Java
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