Best for: X users who want real-time social context
Price: Freemium · from $10/month
Free: Limited prompts on basic models
Platforms: Web, iOS, Android, Other
Made by: xAI, Palo Alto, USA · since 2023
App store ratings: iOS 4.9★ (1.5M) · Android 4.9★ (3.95M)

What it is

Grok is xAI's AI assistant, available at grok.com, in its mobile apps and inside X. It offers chat, web research, reasoning modes and Grok Imagine image and video generation; the top modes need a paid SuperGrok plan.

Latest: Grok's top modes moved to the Grok 4.7 model in September 2026.

What the AI does

Real-time data from X
Expert reasoning and multi-agent Heavy mode
Grok Imagine image and video generation
Web research
Voice mode

Pros and cons

Real-time X data
Strong reasoning modes
Very highly rated mobile apps
Bundled with X Premium

Documented accuracy, bias and offensive-output incidents
Less consistent quality than top rivals
Expensive top tier ($300/month)

How it scores

Answer quality8

Ease of use8.5

Features9

Value for money7

Platforms8

Trails the leading models on independent leaderboards; reviewers flag accuracy and bias problems.

Feature checklist · 9 of 9

Live web search for current answers (yes)
Deep research reports (yes)
Voice conversation (yes)
Understands photos and files you upload (yes)
Generates images (yes)
Remembers you across chats (yes)
Connects to your email, calendar or other apps (yes)
Agent that carries out multi-step tasks (yes)
Creates documents, code or slides you can edit (yes)

How we score apps →

Alternatives

See all Grok alternatives, ranked →

Gemini 9.3/10People who live in Google's apps and Android
ChatGPT 9.2/10Most people who want one versatile, easy AI assistant
Claude 8.9/10Writing, coding and careful analysis of long documents
Meta AI 8.6/10People who already use WhatsApp, Instagram or Meta glasses and want a free assistant built in