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What is Grok 4.5?

Grok 4.5 is an advanced AI model from SpaceXAI built for coding, agentic tasks, engineering workflows, and knowledge work. It is presented as SpaceXAI’s strongest model to date and is designed to perform well on real-world software engineering tasks rather than only short benchmark prompts. The model was trained on datasets spanning coding, science, engineering, and math, with heavy investment in data filtering, deduplication, quality scoring, and domain-focused selection. Its reinforcement learning process focuses on multi-step software engineering, technical problem solving, automated grading, model-based evaluation, and long-running agentic rollouts. Grok 4.5 can work on challenging development tasks across languages and environments, including Rust, C/C++, terminal workflows, debugging, bug fixing, and end-to-end app generation. The model is also capable of building polished applications from a single prompt, such as interactive simulations, modern interfaces, and functional web experiences. In addition to coding, Grok 4.5 supports knowledge work inside Grok Build, including Excel model creation, web research, multi-sheet formulas, PowerPoint slide design, native diagram creation, and Word document drafting. It is designed for speed and efficiency, with fast serving, strong token efficiency, and pricing based on input and output token usage. Developers can access Grok 4.5 through the SpaceXAI API console, Cursor, and Grok Build, making it usable across coding tools, productivity environments, and custom applications. The model is positioned for teams that need intelligent technical execution at a lower cost and with fewer steps than some competing frontier models. By combining engineering-focused training, agentic reasoning, fast inference, office productivity skills, and broad developer access, Grok 4.5 gives users a capable model for building, automating, debugging, researching, and shipping complex work.

What is GLM-4.5-Air?

Z.ai is a flexible and complementary AI assistant that merges the realms of presentations, writing, and coding into a fluid conversational experience. Utilizing cutting-edge language models, it empowers users to design intricate slide decks with AI-generated visuals, generate high-caliber text for diverse applications like emails, reports, and blogs, and even tackle complex coding challenges through writing or debugging code. Beyond just content creation, Z.ai shines in thorough research and information gathering, enabling users to extract data, summarize extensive documents, and overcome writer's block, while its coding assistant can elucidate code snippets, enhance functions, or create scripts from scratch. The intuitive chat interface requires no extensive training; users simply articulate their needs—whether for a strategic presentation, marketing materials, or a script for data analysis—and receive prompt, relevant responses. Additionally, Z.ai supports multiple languages, including Chinese, and boasts an impressive native function invocation along with a support for a substantial 128K token context, making it adept at facilitating everything from brainstorming ideas to automating repetitive writing and coding tasks. This makes it an essential resource for professionals in a wide array of disciplines. Ultimately, Z.ai's all-encompassing approach ensures that users can handle complicated projects with both comfort and effectiveness.

Media

Media

Integrations Supported

.NET
Bash
C
C#
C++
Cosmos
Dart
Go
Grok
HTML
Hermes Agent
Kubernetes
Microsoft Excel
OpenClaw
PHP
PowerShell
R
Ruby
Swift
TypeScript

Integrations Supported

.NET
Bash
C
C#
C++
Cosmos
Dart
Go
Grok
HTML
Hermes Agent
Kubernetes
Microsoft Excel
OpenClaw
PHP
PowerShell
R
Ruby
Swift
TypeScript

API Availability

Has API

API Availability

Has API

Pricing Information

$2 per million input tokens
$2 per million input tokens and $6 per million output tokens
Free Version
Free Trial Offered?

Pricing Information

Free
Free Version
Free Trial Offered?

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

SpaceXAI

Date Founded

2023

Company Location

United States

Company Website

grok.com

Company Facts

Organization Name

Z.ai

Date Founded

2019

Company Location

China

Company Website

chat.z.ai/

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