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Grok 4.7

xAI's Grok 4.7 is a text model for writing and answering questions, offered to developers and not free to download.

Release page →

Grok 4.6

xAI's Grok 4.6 is a very large hosted model for answering questions and writing text, available to developers through xAI's services.

Release page →

The basics

Released

Sep 21
Aug 12

What it does

Text and chat: Writes, answers questions and holds a conversation.Thinks first: Can reason step by step before it answers: slower, but better at maths, code and tricky questions.Sees images: Understands pictures, screenshots and charts you share with it.Reads files: Reads documents such as PDFs.
Text and chat: Writes, answers questions and holds a conversation.Thinks first: Can reason step by step before it answers: slower, but better at maths, code and tricky questions.Sees images: Understands pictures, screenshots and charts you share with it.Reads files: Reads documents such as PDFs.

Knowledge cutoff

The latest events it learned about

May 2026More recent
February 2026

Download

No: it runs on the maker's servers
No: it runs on the maker's servers

Where to use it

xAI's app: Grok ↗Also for developers, through an API
xAI's app: Grok ↗Also for developers, through an API

Price and limits, for developers

Input

Per million tokens

$2.00
$2.00

Output

Per million tokens

$6.00
$6.00

Cached input

Per million tokens

$0.50
$0.50

Context window

How much it takes in at once

500K tokens about 380,000 words
500K tokens about 380,000 words

How they score

Combined test score

Epoch Capabilities Index · Epoch AI

156#37 of 237
158#26 of 237

Too close to call: Grok 4.7 and Grok 4.6 are within the margin of error.

Chat answers, by people's votes

LMArena text, adjusted for style · LMArena

1,442#81 of 86
1,456#57 of 86Higher

Neck and neck: in blind votes, people pick each about as often as the other.

Building apps, by people's votes

LMArena WebDev · LMArena

1,640#19 of 85Higher
1,618#27 of 85

In blind votes, people pick Grok 4.7 over Grok 4.6 about 53% of the time.

Green marks the better of the two on each row, red the other. Rows where one side isn't listed, or where the gap is too close to call, stay plain.

Popular comparisons

Not sure where to start? Which AI should I use? gives a pick for what you want to do. How to read AI rankings explains the numbers.

Rankings from LMArena and Epoch AI, both CC BY 4.0, updated . Developer prices, context windows and knowledge cutoffs from the labs' own listings on models.dev and from OpenRouter. The app links go to each maker's own app when no source says exactly where the model is available.

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