GLM-5.1

GLM-5.1

Z.ai
+
+

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About

Fastino is an applied AI platform focused on specialized, open-weight language models and the Fastino Fine-Tuning Agent. The agent lets users describe a task in plain language, then automatically selects the architecture, generates training data, trains and evaluates the model, and returns a task-specific model ready to deploy. Fine-tuning projects can be created and revisited from one interface, with models trained on the user’s terms and deployable in their own environment. The resulting models are designed for production-grade performance, with typical response times under 50 ms, while model weights remain private and owned by the user. Models can move from a task description to a trained result in hours, giving teams a faster path to specialized deployment. Fastino also provides open-source and open-weight models for specialized AI workloads.

About

GLM-5.1 is the latest iteration of Z.ai’s GLM series, designed as a frontier-level, agent-oriented AI model optimized for coding, reasoning, and long-horizon workflows. It builds on the GLM-5 architecture, which uses a Mixture-of-Experts (MoE) design to deliver high performance while keeping inference costs efficient, and is part of a broader push toward open-weight, developer-accessible models. A core focus of GLM-5.1 is enabling agentic behavior, meaning it can plan, execute, and iterate across multi-step tasks rather than simply responding to single prompts. It is specifically designed to handle complex workflows such as debugging code, navigating repositories, and executing chained operations with sustained context. Compared to earlier models, GLM-5.1 improves reliability in long interactions, maintaining coherence across extended sessions and reducing breakdowns in multi-step reasoning.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

AI developers, data scientists, and engineering teams wanting to create, fine-tune, deploy, and control specialized open-weight models for production AI workflows

Audience

Developers and AI teams who need a cost-efficient, agent-capable model for coding, automation, and long multi-step workflows with flexible deployment options

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version Not Supported
Free Trial Supported

Pricing

Free
Open source
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Fastino
Founded: 2026
United States
fastino.ai/

Company Information

Z.ai
Founded: 2023
China
z.ai/

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Categories

AI Fine-Tuning Supported
AI Models Supported

Categories

Integrations

C Not Supported
C# Not Supported
C++ Not Supported
GLM Coding Plan Not Supported
GLM-5-Turbo Not Supported
HTML Not Supported
Java Not Supported
Ollama Not Supported
OpenClaw Not Supported
PHP Not Supported
Python Not Supported
Qoder Not Supported
Shiori Not Supported
Swift Not Supported
Together AI Not Supported
TypeScript Not Supported
Vercel AI Gateway Not Supported
Yonoo Not Supported
Zo Computer Not Supported
pandas Not Supported

Integrations

C Supported
C# Supported
C++ Supported
GLM Coding Plan Supported
GLM-5-Turbo Supported
HTML Supported
Java Supported
Ollama Supported
OpenClaw Supported
PHP Supported
Python Supported
Qoder Supported
Shiori Supported
Swift Supported
Together AI Supported
TypeScript Supported
Vercel AI Gateway Supported
Yonoo Supported
Zo Computer Supported
pandas Supported
Claim Fastino and update features and information
Claim Fastino and update features and information
Claim GLM-5.1 and update features and information
Claim GLM-5.1 and update features and information