GPT-5 pro vs. Grok 4 Heavy Comparison


GPT-5 pro OpenAI	Grok 4 Heavy SpaceXAI	+	+
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About GPT-5 Pro is OpenAI’s most advanced AI model, designed to tackle the most complex and challenging tasks with extended reasoning capabilities. It builds on GPT-5’s unified architecture, using scaled, efficient parallel compute to provide highly comprehensive and accurate responses. GPT-5 Pro achieves state-of-the-art performance on difficult benchmarks like GPQA, excelling in areas such as health, science, math, and coding. It makes significantly fewer errors than earlier models and delivers responses that experts find more relevant and useful. The model automatically balances quick answers and deep thinking, allowing users to get expert-level insights efficiently. GPT-5 Pro is available to Pro subscribers and powers some of the most demanding applications requiring advanced intelligence.	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.
Platforms Supported Windows Supported Mac Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Supported iPad Supported Android Supported Chromebook Not Supported	Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Supported iPad Supported Android Supported Chromebook Not Supported
Audience Researchers, developers, and advanced professionals who require the highest level of AI reasoning, accuracy, and safety for complex, multi-step tasks across domains like science, coding, and health	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
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 Supported
API Offers API Supported	API Offers API Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing No information available. Free Version Not Supported Free Trial Not Supported	Pricing No information available. Free Version Not Supported Free Trial Not Supported
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 Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported
Company Information OpenAI Founded: 2015 United States openai.com	Company Information SpaceXAI Founded: 2023 United States grok.com
Alternatives Gemini 2.5 Pro Google	Alternatives Claude Opus 4 Anthropic
Gemini 3 Pro Google	Gemini 2.5 Pro Google
Gemini 3 Deep Think Google	Gemini 3 Pro Google
GPT-5 OpenAI	Grok 4 SpaceXAI
GPT-5.2 Thinking OpenAI View All	Grok 4.20 SpaceXAI View All
Categories AI Coding Models Supported AI Models Supported AI Reasoning Models Supported Foundation Models Supported Large Language Models Supported Multimodal Models Supported	Categories AI Coding Models Supported AI Models Supported AI Reasoning Models Supported Foundation Models Supported Large Language Models Supported Multimodal Models Supported

Integrations C++ Supported CSS Supported Go Supported HTML Supported Java Supported JavaScript Supported Kotlin Supported PHP Supported Python Supported Rust Supported SQL Supported TypeScript Supported ChatGPT Plus Supported Clojure Not Supported Elixir Not Supported GitHub Supported Grok Not Supported Grok Imagine Not Supported JetBrains Junie Supported React Supported Show More Integrations View All 32 Integrations	Integrations C++ Supported CSS Supported Go Supported HTML Supported Java Supported JavaScript Supported Kotlin Supported PHP Supported Python Supported Rust Supported SQL Supported TypeScript Supported ChatGPT Plus Not Supported Clojure Supported Elixir Supported GitHub Not Supported Grok Supported Grok Imagine Supported JetBrains Junie Not Supported React Not Supported Show More Integrations View All 28 Integrations
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