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 Thinking is the advanced reasoning model variant in the GPT-5.1 series, designed to more precisely allocate “thinking time” based on prompt complexity, responding faster to simpler requests and spending more effort on difficult problems. On a representative task distribution, it is roughly twice as fast on the fastest tasks and twice as slow on the slowest compared with its predecessor. Its responses are crafted to be clearer, with less jargon and fewer undefined terms, making deep analytical work more accessible and understandable. The model dynamically adjusts its reasoning depth, achieving a better balance between speed and thoroughness, particularly when dealing with technical concepts or multi-step questions. By combining high reasoning capacity with improved clarity, GPT-5.1 Thinking offers a powerful tool for tackling complex tasks, such as detailed analysis, coding, research, or technical explanations, while reducing unnecessary latency for routine queries.

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

Researchers and analysts in need of a tool for deep reasoning and technical problem-solving that delivers clear, thorough answers on complex tasks

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

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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
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
Claude Opus 4.5

Claude Opus 4.5

Anthropic
MiMo-V2-Flash

MiMo-V2-Flash

Xiaomi Technology
Kimi K2 Thinking

Kimi K2 Thinking

Moonshot AI

Categories

Categories

Integrations

Aardvark
Bash
Biela.dev
C++
ChatGPT
FastRouter
Ghost
Java
JetBrains AI Assistant
Kineto by JetBrains
Kotlin
Microsoft Copilot Studio
Microsoft Foundry
Microsoft Foundry Models
ModelScope
NextDocs
OpenCode
Python
React
SQL

Integrations

Aardvark
Bash
Biela.dev
C++
ChatGPT
FastRouter
Ghost
Java
JetBrains AI Assistant
Kineto by JetBrains
Kotlin
Microsoft Copilot Studio
Microsoft Foundry
Microsoft Foundry Models
ModelScope
NextDocs
OpenCode
Python
React
SQL
Claim GLM-4.5 and update features and information
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Claim GPT-5.1 Thinking and update features and information