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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

Hydrogen-1.0 is a scientific language model with open weights, created by Deep Principle by post-training GLM-5.3 on a diverse range of data including chemistry, materials science, and life sciences, as well as laboratory notes and research paths. This model aims to assist researchers in tackling scientific inquiries, elucidating derivations, examining reaction pathways, interpreting spectra, designing experiments, and formulating material hypotheses. Among its demonstrations are scientific computing workflows, exploration of reaction networks, NMR structure analysis, planning of experiments, and discovery of materials. Users can access the model by downloading its weights from platforms like Hugging Face and ModelScope, using API access via NeuroSpark, or through Deep Principle's Mira AI Scientist. Moreover, Hydrogen-1.0 can be executed locally on suitable hardware and software configurations. It is essential for researchers to assess the model's outputs in light of pertinent evidence and scientific limitations, ensuring a responsible application in their work. Ultimately, Hydrogen-1.0 represents a significant advancement in making scientific research more efficient and accessible.

API Access

Has API Yes 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

No images available

Integrations

Cheaper Inference Yes 
Cherry Studio Yes 
ClinePass Yes 
Cursor Yes 
Factory Droid Yes 
GLM Coding Plan Yes 
HTML Yes 
Java Yes 
LM Studio Bionic Yes 
ModelScope No 
OpenCode Go Yes 
OpenRouter Yes 
R Yes 
Roo Code Yes 
Rust Yes 
Shiori Yes 
Tabbit Browser Yes 
TypeScript Yes 
Vercel AI Gateway Yes 
scikit-learn Yes 

Integrations

Cheaper Inference No 
Cherry Studio No 
ClinePass No 
Cursor No 
Factory Droid No 
GLM Coding Plan No 
HTML No 
Java No 
LM Studio Bionic No 
ModelScope Yes 
OpenCode Go No 
OpenRouter No 
R No 
Roo Code No 
Rust No 
Shiori No 
Tabbit Browser No 
TypeScript No 
Vercel AI Gateway 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 Yes 

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 Yes 
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 No 

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

Deep Principle

Founded

2024

Country

China

Website

blog.deepprinciple.com/introducing-hydrogen-1.0/

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