Grok.
X-native model with Colossus-scale compute and live data integration.
What it is.
xAI's frontier model trained on Colossus — the Memphis cluster that crossed 200,000 H100-equivalent GPUs in 2025. Native integration into X for live data. Sold standalone on x.ai for buyers who want the model without the social product.
Where it fits.
Where live-data freshness matters and where the buyer is comfortable with the xAI brand context. Grok 4 Heavy posts top scores on reasoning benchmarks; Grok Code competes with Codestral and Claude on coding tasks.
- Largest single training cluster currently in operation
- Live X data integration for real-time use cases
- Strong reasoning benchmark performance
- Brand context blocks adoption at some enterprise buyers
- Smaller third-party tool-use ecosystem
Frequently asked.
Do I need an X account to use Grok?
Not for x.ai or the API. X Premium+ users get Grok in the social product as a bundle.
What is Colossus?
xAI's Memphis training cluster — the largest contiguous GPU deployment currently disclosed. Originally announced at 100K H100s, now reported above 200K H100-equivalents.
Is Grok API available for enterprise?
Yes. The enterprise tier added SOC 2 and EU data-processing addenda in late 2025.
