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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

Mercor serves as a platform designed to assist professionals in securing remote job opportunities by streamlining the application and matching processes. Users simply upload their resumes and outline their preferred projects, after which Mercor employs artificial intelligence to identify suitable roles, enabling a single application to connect with multiple companies. Notable features include listings for remote work, an AI-powered interview scheduling system, accessibility to global opportunities (allowing candidates to apply and interview from anywhere), and a carefully curated assortment of job roles like “expert model trainer” and “legal intelligence analyst.” The platform offers numerous advantages for candidates, including enhanced salary prospects, minimized job search time, and increased visibility to various employers; simultaneously, it benefits employers by providing access to well-suited candidates through intelligent AI matching. Furthermore, Mercor's innovative approach fosters a more efficient hiring process, ultimately bridging the gap between talented professionals and dynamic companies seeking top-notch talent.

API Access

Has API Yes 

API Access

Has API No 

Screenshots View All

Screenshots View All

Integrations

C++ Yes 
Claude Code Yes 
Cline Yes 
ClinePass Yes 
Dessix Yes 
HTML Yes 
Kilo Code Yes 
Kotlin Yes 
OpenRouter Yes 
PyTorch Yes 
Roo Code Yes 
SQL Yes 
Shiori Yes 
Sup AI Yes 
Swift Yes 
Vercel AI Gateway Yes 
Wafer Yes 
Yonoo Yes 
Z.ai Yes 
scikit-learn Yes 

Integrations

C++ No 
Claude Code No 
Cline No 
ClinePass No 
Dessix No 
HTML No 
Kilo Code No 
Kotlin No 
OpenRouter No 
PyTorch No 
Roo Code No 
SQL No 
Shiori No 
Sup AI No 
Swift No 
Vercel AI Gateway No 
Wafer No 
Yonoo No 
Z.ai 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) Yes 
In Person Yes 

Vendor Details

Company Name

Z.ai

Founded

2023

Country

China

Website

z.ai/

Vendor Details

Company Name

Mercor

Founded

2023

Country

United States

Website

mercor.com

Product Features

Recruiting

Assessments No 
Background Screening Yes 
CRM No 
Interaction Tracking No 
Internal HR No 
Interview Management No 
Job Board Posting No 
Job Requisition No 
Onboarding No 
Recruiting Firms No 
Reference Checking No 
Resume Parsing No 
Self Service Portal No 

Alternatives

Alternatives

GLM-5 Reviews

GLM-5

Z.ai