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About

Grok 4 Heavy is the most powerful AI model offered by xAI, designed as a multi-agent system to deliver cutting-edge reasoning and intelligence. Built on the Colossus supercomputer, it achieves a 50% score on the challenging HLE benchmark, outperforming many competitors. This advanced model supports multimodal inputs including text and images, with plans to add video capabilities. Grok 4 Heavy targets power users such as developers, researchers, and technical enthusiasts who require top-tier AI performance. Access is provided through the premium “SuperGrok Heavy” subscription priced at $300 per month. xAI has enhanced moderation and removed problematic system prompts to ensure responsible and ethical AI use.

About

Grok 4.5 is a next-generation xAI model reportedly entering private beta testing for select internal users and organizations. The model is positioned as a major step forward from earlier Grok models, with stronger performance for reasoning, coding, analysis, and general AI assistance. Early reporting describes Grok 4.5 as being tested inside SpaceX and Tesla before broader availability. The model is expected to build on Grok’s existing strengths in real-time information access, tool use, conversational AI, and developer workflows. Grok 4.5 is not yet broadly documented in official xAI model documentation, so public details remain limited. Grok 4.5 is best understood as an upcoming frontier model aimed at more capable reasoning, stronger productivity support, and higher-end AI workflows.

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

Power users, developers, researchers, and technical enthusiasts seeking a premium, multi-agent AI model with top-tier reasoning, multimodal intelligence, and early access to cutting-edge features

Audience

Grok 4.5 is best suited for developers, technical teams, AI power users, researchers, enterprises, SpaceX or Tesla-style internal teams, xAI ecosystem users, and organizations that need advanced AI reasoning, coding support, research assistance, real-time information access, tool use, productivity automation, and frontier-model experimentation

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

No images available

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

xAI
Founded: 2023
United States
grok.com

Company Information

xAI
Founded: 2023
United States
grok.com

Alternatives

Claude Opus 4

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Anthropic

Alternatives

Claude Fable 5

Claude Fable 5

Anthropic
Claude Mythos 5

Claude Mythos 5

Anthropic
Claude Mythos

Claude Mythos

Anthropic
Grok 4

Grok 4

xAI

Categories

Categories

Integrations

Grok
SuperGrok
C
C++
CSS
Clojure
Cursor
Elixir
F#
Grok Build
Grok Imagine
HTML
Java
JavaScript
Julia
Kotlin
R
Rust
SQL
Scala

Integrations

Grok
SuperGrok
C
C++
CSS
Clojure
Cursor
Elixir
F#
Grok Build
Grok Imagine
HTML
Java
JavaScript
Julia
Kotlin
R
Rust
SQL
Scala
Claim Grok 4 Heavy and update features and information
Claim Grok 4 Heavy and update features and information
Claim Grok 4.5 and update features and information
Claim Grok 4.5 and update features and information