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What is Grok 4.8?

Grok 4.8 is an upcoming frontier AI model from xAI expected to improve reasoning, coding, agentic execution, and professional knowledge work across the Grok ecosystem. Elon Musk has described Grok 4.8 as a roughly 2.5-trillion-parameter model, representing an increase in scale over the planned 2.1-trillion-parameter Grok 4.7. The model is being trained using a new C++ training software stack rather than the infrastructure used for some earlier Grok training runs. xAI expects the initial training phase to complete before the model moves into reinforcement learning, evaluation, and additional post-training refinement. Grok 4.8 is anticipated to extend the current Grok generation’s emphasis on software development, complex reasoning, agentic tool calling, and professional knowledge tasks. Grok 4.7, the current officially documented flagship, supports image and text input, configurable reasoning effort, and a 500,000-token context window. A larger successor could provide additional capacity for difficult coding assignments, research, application development, data analysis, and long-running tasks that require sustained planning and verification. The model may also strengthen xAI products such as Grok Build and persistent AI agents that work across applications and execute multi-step jobs. Musk has characterized the developing model as an improvement over the preceding Grok generation, but independent benchmarks are not yet available to confirm its eventual performance. xAI has not announced final pricing, context length, inference speed, API naming, benchmark scores, or a general availability date for Grok 4.8. Grok 4.8 is expected to target software developers, AI engineers, researchers, enterprises, and organizations building advanced autonomous agents and computational workflows.

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.

Media

No images available

Media

Integrations Supported

Bash
C#
C++
CSS
Grok
Grok Build
HTML
Hermes Agent
JavaScript
Kubernetes
Microsoft Excel
Objective-C
PHP
R
Rust
Scala
Solidity
SuperGrok
TypeScript
XML

Integrations Supported

Bash
C#
C++
CSS
Grok
Grok Build
HTML
Hermes Agent
JavaScript
Kubernetes
Microsoft Excel
Objective-C
PHP
R
Rust
Scala
Solidity
SuperGrok
TypeScript
XML

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided
Free Version
Free Trial Offered?

Pricing Information

$2 per million input tokens
$2 per million input tokens and $6 per million output tokens
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

SpaceXAI

Date Founded

2023

Company Location

United States

Company Website

grok.com

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