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HomeModelsGrok
Grok
xAI
Start Building an AI app

Grok is xAI's model, built with direct access to real-time X (Twitter) data. It has the lowest measured hallucination rate among frontier LLMs — roughly 4% — and context windows up to 1 million tokens. When you need answers that are both current and accurate, Grok is built for that.

Context window
1M tokens
Pricing
Per-token
License
Proprietary

Grok models compared

Model
Arena ELO ±CI
Rank
Votes
Context
$ / 1M in
$ / 1M out
License
Grok 4.20 Beta1
1474.8 ±4.6
34
27864
1M tokens
1.25
2.5
Proprietary
Grok 4.20 Multi Agent Beta 0309
1470.3 ±3.7
43
64674
2M tokens
1.25
2.5
Proprietary
Grok 4.5
1465.4 ±4.4
47
37535
500K tokens
2
6
Proprietary
Data source:
LM Arena
· Data as of
25 Sep 2026
Learn more about the methodology

What Grok is best at

Lowest hallucination rate among frontier models
Grok AI clocks in at approximately 4% hallucination — the lowest independently measured rate among major LLMs. In domains where a wrong fact has real consequences (healthcare, finance, legal), that gap between Grok and the average model is significant.
Real-time X/Twitter data integration
xAI Grok accesses the X firehose directly. It sees trending topics, public sentiment shifts, and breaking news as they happen. No other model has this kind of real-time social data baked into its reasoning.
Million-token context with strong reasoning
Grok 4 handles up to 1 million tokens and performs well on mathematical reasoning and multi-step logic. Large documents, extended code reviews, long analysis sessions — it keeps up without losing track of earlier context.

How to use Grok via Setapp AI Gateway

One API, all models
Step 1
Access ChatGPT, Claude, Gemini, DeepSeek, Grok, Llama, Mistral, Qwen, Copilot-class models, and Perplexity through a single endpoint. One key, one integration, every model.
Transparent, unified pricing
Step 2
No surprise bills, no per-model accounts. Setapp Al Gateway consolidates billing across providers with clear per-token pricing and usage dashboards.
Smart routing
Step 3
Automatically route requests to the best model for each task — or choose manually. Optimize for cost, speed, or capability without changing your code.
Zero vendor lock-in
Step 4
Switch between models with a parameter change. Your integration stays the same. When a new model launches, it's available in your existing setup - no migration needed.
Read the docsSupported models

What people build with Grok

extract
Real-time trend analysis and social listening
Track brand mentions, catch emerging narratives, and read public sentiment as conversations happen on X. For marketing, PR, and analyst teams, Grok is the model that knows what's being said right now.
ship
Fact-critical content generation
When you're producing reports or analyses that will be published or used for decision-making, Grok's low hallucination rate means fewer errors to catch in review and more confidence in the output.
refine
Financial and market analysis
Pair real-time data access with strong numerical reasoning to track market movements, gauge sentiment around sectors or tickers, and generate briefings that reflect what's happening today.
trust
Large-scale document review
The million-token context handles even extensive legal or regulatory filings in one pass. Combined with the low hallucination rate, this makes Grok particularly useful for document review where fabricated details would be a serious problem.

Common questions

What is Grok AI and who makes it?
Grok is built by xAI, Elon Musk's AI company. It's designed to be direct and truthful, with native access to X (formerly Twitter). Available to X Premium subscribers and to developers via API.
xAI Grok — what makes it unique among AI models?
Two things stand out: real-time X data access and the lowest measured hallucination rate (~4%) among frontier models. The first makes it unmatched for social trend analysis; the second makes it unusually reliable for factual work.
Grok vs ChatGPT — when should I use Grok?
Pick Grok when factual accuracy is the top priority, when you need real-time social data, or when you're analyzing trends on X. Pick ChatGPT when you need image generation, a broad plug-in ecosystem, or the most polished conversational experience.
Is Grok available via API?
Yes. xAI offers a developer API through the official xAI Developer Console with competitive pricing. Through Setapp AI Gateway, you can use Grok alongside other models without managing separate keys or accounts.
Does Grok have any content restrictions?
Grok is positioned as less restrictive than most frontier models — xAI favors a more permissive approach while still maintaining safety guardrails. That can be useful when you need franker, more direct outputs.

Browse the best Al models

Every large language model available through Setapp - in one chat, under one subscription. Click any model for benchmarks, pricing, sample prompts, and comparisons.
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Use Grok through Setapp AI Gateway

Access xAI's Grok models alongside ChatGPT, Claude, and more. One API for all your AI needs.

Apply now

Al models for developers - one integration, every provider

Setapp Al Gateway gives your app access to all models listed above through a single OpenAl-compatible endpoint. No separate API keys, 
no provider
contracts, no billing logic to build.

Apply now

Al models for developers - one integration,
every provider

Setapp Al Gateway gives your app access to all models listed above through a single OpenAl-compatible endpoint. No separate API keys, 
no provider contracts, no billing logic to build.

Apply now
Every top Al model in one place.
Built for Mac developers and power users.
Every top Al model in one place.
Built for Mac developers and power users.
Every top Al model in one place. Built for Mac developers and power users.
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