Grok 4.5, Online in Genspark
Grok 4.5 is xAI's newest flagship, built for coding, agentic tasks, and knowledge work. Type a prompt below and the chat opens with Grok 4.5 already selected.
Grok 4.5 is a model developed by xAI. Genspark is an independent AI workspace where you can use it alongside other frontier models.
What Grok 4.5 Is Built For
xAI positions Grok 4.5 as its smartest model for coding, agentic tasks, and knowledge work — here's what that looks like inside Genspark.
Coding and agentic tasks
Grok 4.5 is tuned for real engineering work — reviewing code, debugging, and multi-step tasks that need the model to keep track of a plan, not just answer once.
Knowledge work
Research, analysis, comparisons, and long documents — the kind of structured thinking work xAI built this generation of Grok around.
Images and files in
In Genspark's chat, Grok 4.5 accepts images and file uploads — paste a screenshot, attach a document, and ask about it directly.
One chat, every frontier model
Genspark runs Grok 4.5 alongside the other leading models. If a task fits a different engine better, switch models in the same conversation and keep your context.
How to Use Grok 4.5 in Genspark
Type a prompt
Start with the input box above. Your prompt carries over, and the chat opens with Grok 4.5 already selected as the model.
Add images or files
Inside the chat you can attach screenshots, photos, and documents — Grok 4.5 reads them as part of the conversation.
Compare and switch
Not sure Grok is the right fit for a task? Switch to another model mid-conversation and compare answers without starting over.
Frequently Asked Questions
What is Grok 4.5?
Grok 4.5 is xAI's newest flagship model, released in July 2026. xAI describes it as its smartest model yet, built to excel at coding, agentic tasks, and knowledge work.
Is Grok 4.5 made by Genspark?
No. Grok is developed by xAI. Genspark is an independent AI workspace that gives you a place to chat with Grok 4.5 — alongside other frontier models — in one conversation.
How do I use Grok 4.5 in Genspark?
Type a prompt in the box at the top of this page. When the chat opens, Grok 4.5 is already selected as the model, so your first answer comes from Grok right away.
Can Grok 4.5 read images and files?
Yes. In Genspark's chat, Grok 4.5 supports image understanding and file uploads — you can paste a screenshot or attach a document and ask questions about it.
How is this different from using Grok on grok.com?
grok.com is xAI's own product for chatting with Grok. Genspark runs Grok 4.5 as one of many models in a single workspace — so you can switch between Grok and other frontier models mid-conversation, and use the same workspace's agents for documents, slides, images, and more.