
Chat & AssistantsFreemiumReviewed July 2026
Grok
Grok is xAI's frontier chat assistant, and its distinguishing feature is live context: real-time search over X (formerly Twitter) and the web is built in, so it answers questions about current events better than models working from static training data. The DeepSearch mode turns that into agentic research, running multiple searches and returning a sourced answer. The Grok 4 Heavy tier adds serious reasoning with a 256K context window. A rate-limited free tier covers casual use, SuperGrok runs $30 a month, and the API sits around $1.25 in / $2.50 out per million tokens.

At a glance
- Best for
- Real-time research
- Live X and web context
- Reasoning-heavy work
- Not the right pick for
- Teams wanting a large plugin ecosystem
- Anyone off the X platform entirely
- Pricing from
Free
- Founded
2023
What it's good for
- 1
Researching breaking news and current events with live web and X sources
- 2
Tracking real-time sentiment and what people are saying on X about a topic
- 3
Reasoning-heavy analysis on the Grok 4 Heavy tier with long context
- 4
Running DeepSearch for sourced, multi-step research answers
- 5
Building AI features into a product through the xAI API
Pricing
Free
Rate-limited everyday use
Free
SuperGrok Lite
Higher limits than free
$10/mo
SuperGrok
Full access (or $300 a year)
$30/mo
SuperGrok Heavy
Top Grok 4 Heavy reasoning tier
$300/mo
API
$2.50 per M output tokens
$1.25/M in
How to use it
Start on the free tier at grok.com, or get Grok bundled cheaply through X Premium if you already pay for it. For anything current, use DeepSearch so the answer pulls from live web and X with sources rather than training data. Move to SuperGrok when you want the Grok 4 Heavy reasoning tier and its 256K context. For product features, grab an API key and meter usage per token.
Pros & cons
Pros
- Real-time X and web search built into every answer
- DeepSearch mode for sourced, multi-step research
- Strong reasoning tier (Grok 4 Heavy) with 256K context
- Capable free tier, plus a low $8 bundle via X Premium
- Straightforward API pricing for product builds
Cons
- Smaller tool and plugin ecosystem than ChatGPT
- Top reasoning tier (SuperGrok Heavy) is expensive at $300 a month
- Tightly tied to the X platform, which not every team wants
Frequently asked questions
Is Grok free?
Yes, there is a free tier with rate limits, enough to feel out the model. Paid plans are SuperGrok Lite at $10 a month, SuperGrok at $30 a month (or $300 a year), and SuperGrok Heavy at $300 a month for the top reasoning tier. Grok also comes bundled with X Premium at $8 a month and Premium+ at $40 a month.
Grok vs ChatGPT: which should I pick?
ChatGPT is the broader, more polished product with a deep tool ecosystem. Grok's edge is real-time context: search over X and the live web is built in, so it is stronger on breaking events and current sentiment. If you live on X or need up-to-the-minute answers, Grok wins. For general breadth and integrations, ChatGPT still leads.
What is Grok best for?
Real-time research on current events, tracking what people are saying on X right now, and reasoning-heavy work on the Grok 4 Heavy tier with its 256K context window. The DeepSearch mode is the standout when you want a sourced answer that pulls from live web and X rather than static training data.
What is DeepSearch?
DeepSearch is Grok's agentic research mode. Instead of a single answer, it runs multiple searches across the web and X, reads the results, and returns a synthesized response with sources. It is the feature to reach for when a question needs current information rather than the model's training knowledge.
Does Grok have an API?
Yes. The xAI API runs around $1.25 per million input tokens and $2.50 per million output tokens, so you can build Grok into a product or workflow. Route sensitive data deliberately and read the terms before piping production traffic through the endpoint.
More
Alternatives to Grok
Other tools we'd consider for the same job.
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Claude
Anthropic's conversational AI — strong at careful reasoning, long documents, and writing that reads like a human wrote it
Gemini
Google's assistant with 1M-token context, native Google Workspace integration, and strong multimodal reasoning
MaxtDesign · AI Studios
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