GLM-4.5

GLM-4.5

Z.ai
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About

GLM‑4.5 is Z.ai’s latest flagship model in the GLM family, engineered with 355 billion total parameters (32 billion active) and a companion GLM‑4.5‑Air variant (106 billion total, 12 billion active) to unify advanced reasoning, coding, and agentic capabilities in one architecture. It operates in a “thinking” mode for complex, multi‑step reasoning and tool use, and a “non‑thinking” mode for instant responses, supporting up to 128 K token context length and native function calling. Available via the Z.ai chat platform and API, with open weights on HuggingFace and ModelScope, GLM‑4.5 ingests diverse inputs to solve general problem‑solving, common‑sense reasoning, coding from scratch or within existing projects, and end‑to‑end agent workflows such as web browsing and slide generation. Built on a Mixture‑of‑Experts design with loss‑free balance routing, grouped‑query attention, and an MTP layer for speculative decoding, it delivers enterprise‑grade performance.

About

GPT-5.1 Instant is a high-performance AI model designed for everyday users that combines speed, responsiveness, and improved conversational warmth. The model uses adaptive reasoning to instantly select how much computation is required for a task, allowing it to deliver fast answers without sacrificing understanding. It emphasizes stronger instruction-following, enabling users to give precise directions and expect consistent compliance. The model also introduces richer personality controls so chat tone can be set to Default, Friendly, Professional, Candid, Quirky, or Efficient, with experiments in deeper voice modulation. Its core value is to make interactions feel more natural and less robotic while preserving high intelligence across writing, coding, analysis, and reasoning. GPT-5.1 Instant routes user requests automatically from the base interface, with the system choosing whether this variant or the deeper “Thinking” model is applied.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Developers and AI practitioners wanting a solution providing reasoning, coding and agentic functions for building sophisticated applications

Audience

Everyday professionals and creators searching for a tool that excels at writing, coding, problem solving and instruction-following with human-friendly responses

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

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

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
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Z.ai
Founded: 2019
China
z.ai/blog/glm-4.5

Company Information

OpenAI
Founded: 2015
United States
openai.com/index/gpt-5-1/

Alternatives

Alternatives

Claude Opus 4.1

Claude Opus 4.1

Anthropic
DeepSeek-V3.2

DeepSeek-V3.2

DeepSeek
MiMo-V2-Flash

MiMo-V2-Flash

Xiaomi Technology
GPT-5.2

GPT-5.2

OpenAI
Kimi K2 Thinking

Kimi K2 Thinking

Moonshot AI
GPT-5.1

GPT-5.1

OpenAI

Categories

Categories

Integrations

AiAssistWorks
Bash
Biela.dev
ChatGPT Atlas
ChatGPT Pro
Codex CLI
Doraverse
Go
HTML
Hugging Face
Java
JavaScript
Kineto by JetBrains
Kotlin
Microsoft 365 Copilot Chat
Microsoft Copilot Studio
Microsoft Teams
Node.js
PowerShell
Rust

Integrations

AiAssistWorks
Bash
Biela.dev
ChatGPT Atlas
ChatGPT Pro
Codex CLI
Doraverse
Go
HTML
Hugging Face
Java
JavaScript
Kineto by JetBrains
Kotlin
Microsoft 365 Copilot Chat
Microsoft Copilot Studio
Microsoft Teams
Node.js
PowerShell
Rust
Claim GLM-4.5 and update features and information
Claim GLM-4.5 and update features and information
Claim GPT-5.1 Instant and update features and information
Claim GPT-5.1 Instant and update features and information