xAI · llm model

Grok 4.7

Grok 4.7 is xAI's latest language model in our dataset, released Sep 21, 2026. Proprietary, API access only. xAI's newest Grok model; its docs call it "the most capable model we've built". Verified against vendor sources on Oct 26, 2026.

Reported Last verified Oct 26, 2026 · All models · JSON · Markdown

ReleasedSep 21, 2026
Context window500K500,000 tokens
LicenceProprietaryProprietary (API)

InTextImageOutText

Key facts

Grok 4.7: key facts with sources
Fact	Value	Source
Vendor	xAI	n/a
Released	Sep 21, 2026	source
Status	generally available	n/a
API id	grok-4.7	source
Context window	500,000 tokens (500K)	source
Input	text, image	source
Output	text	source
Licence	Proprietary (API)	source
Pricing	$2 in / $6 out per 1M tokens	source

Where Grok 4.7 sits in our data

Released Sep 21, 2026 (week 39 of 2026), in September 2026. Other models in our data released that month: GPT-6.1 Sol, Claude Sonnet 5.5, Claude Opus 5.5, Gemini 3.8 Flash TTS, Gemini 3.8 Flash-Lite TTS, GPT-6 Luna.
The previous xAI model we track is Grok Voice Transcribe 2.0 (Sep 17, 2026), 4 days earlier.
Of the 60 models in our data with a published context window, Grok 4.7 has the number 39 largest (500K tokens). Our data is not every model on the market.
All releases by date: AI model releases by month · new AI models this week. Choosing for code: best LLM for coding.

How Grok 4.7 differs from Grok 4.6

Read from the recorded facts of the two models, not from a head-to-head test. We have not run either.

Listed price is the same as Grok 4.6: $2 in and $6 out (per 1M tokens).
Both list a 500K-token context window.
Both accept text, image as input.
Grok 4.7 came out 40 days after Grok 4.6.
Facts for the other model: Grok 4.6.

What the sources say

These are claims from the linked pages, not our measurements.

Vendor claim (xAI docs): "the most capable model we've built".

Notes

xAI's developer docs are branded SpaceXSI at the time of writing. Reasoning effort levels: low, medium, high, xhigh.

What we tested

Nothing yet. We have not run Grok 4.7 ourselves, so every fact on this page is Reported from the sources below. When we do test it, the scope will be stated here and in our test logs. See methodology.