Grok 4.5

Grok 4.5

SpaceXAI
OpenAI Bel

OpenAI Bel

OpenAI
+
+

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About

Grok 4.5 is SpaceXAI’s advanced AI model built for coding, agentic tasks, engineering work, and knowledge-intensive productivity. The model is trained on coding, science, engineering, and math data, with reinforcement learning focused on multi-step software engineering and technical workflows. It is designed to handle real-world development tasks such as debugging, Rust and C/C++ work, terminal tasks, long-running agentic rollouts, and end-to-end app creation from a single prompt. Grok 4.5 is also built for fast serving, token efficiency, and lower-cost execution, with pricing based on input and output token usage. Beyond coding, the model supports business productivity tasks in Grok Build, including Excel modeling, PowerPoint diagram creation, Word writing, and research-assisted office workflows. Available through Grok Build, Cursor, and the SpaceXAI API console, Grok 4.5 gives developers and teams a high-performance model for building software, automating work, and more.

About

OpenAI Bel is the reported codename of an unreleased artificial intelligence foundation model associated with OpenAI. Unofficial reports describe it as a large-scale pretraining project intended to support future generations of AI models. The project has been linked in speculative reporting to OpenAI's Astra model family and potential successors to GPT-6. Some sources claim that Bel contains more than 10 trillion parameters, although this figure has not been independently verified. OpenAI has not published official technical specifications, benchmark results, or documentation confirming the project's capabilities. Bel is not currently available as a publicly documented model through ChatGPT or the OpenAI API.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers, engineering teams, AI builders, technical professionals, business users, and organizations that need a fast, capable AI model for coding, agentic workflows, software development, research, document creation, spreadsheets, and presentations

Audience

AI researchers, machine learning engineers, software developers, enterprise AI teams, and organizations evaluating advanced language models

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

$2 per million input tokens
$2 per million input tokens and $6 per million output tokens
Free Version Not Supported
Free Trial Not Supported

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

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

Pros & Cons from Real Users

Pros

  • Grok 4.5 is really impressive from the perspective of a developer and AI agent builder. It feels built for the stuff I actually care about: coding, tool use, agentic workflows, debugging, refactoring, and getting real work done instead of just chatting. I especially like that it seems focused on speed and cost efficiency, because those two things matter a lot when you are running agents over and over in production-like workflows.

Cons

  • It still feels early, and I would want to test it hard before trusting it as the backbone of serious production agents. Benchmarks and launch claims are useful, but they do not always translate perfectly into messy real-world codebases, weird edge cases, long-running tasks, and tool-heavy workflows. I also want to see how reliable it is across longer sessions, especially when an agent has to stay on track through multiple steps without drifting.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Not Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

SpaceXAI
Founded: 2023
United States
grok.com

Company Information

OpenAI
Founded: 2015
United States
openai.com

Alternatives

Alternatives

GPT-6 Astra

GPT-6 Astra

OpenAI
GPT-6.1 Sol

GPT-6.1 Sol

OpenAI
GPT-6 Sol

GPT-6 Sol

OpenAI
Grok 4.7

Grok 4.7

SpaceXAI
GPT-6 Luna

GPT-6 Luna

OpenAI
Grok 4.6

Grok 4.6

SpaceXAI
Kimi K2.5

Kimi K2.5

Moonshot AI

Categories

AI Coding Models Supported
AI Models Supported
AI Vision Models Supported
Foundation Models Supported
Multimodal Models Supported

Categories

AI Coding Models Supported
AI Models Supported
AI Vision Models Supported
Foundation Models Supported
Multimodal Models Supported

Integrations

Augment Code Supported
Bash Supported
C Supported
CSS Supported
HTML Supported
Hermes Agent Supported
Java Supported
JavaScript Supported
Kotlin Supported
Objective-C Supported
OpenClaw Supported
Python Supported
R Supported
Ruby Supported
Rust Supported
SQL Supported
Solidity Supported
Swift Supported
TypeScript Supported
YAML Supported

Integrations

Augment Code Supported
Bash Supported
C Supported
CSS Supported
HTML Supported
Hermes Agent Supported
Java Supported
JavaScript Supported
Kotlin Supported
Objective-C Supported
OpenClaw Supported
Python Supported
R Supported
Ruby Supported
Rust Supported
SQL Supported
Solidity Supported
Swift Supported
TypeScript Supported
YAML Supported
Claim Grok 4.5 and update features and information
Claim Grok 4.5 and update features and information
Claim OpenAI Bel and update features and information
Claim OpenAI Bel and update features and information