Grok 4 Heavy
Grok 4 Heavy is xAI’s most powerful Grok 4 variant—frontier-level reasoning with native tool use, real-time search, a 256K-token context window, and higher rate limits. It’s available via the SuperGrok Heavy tier and the xAI API.
- Type
- Text
- Weights
- Closed
Related tools
1
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About xAI
1
xAI is an artificial intelligence startup founded by Elon Musk, aiming to understand the universe.
Benchmark scores
5
How Grok 4 Heavy ranks on tracked AI benchmarks. Click any benchmark to see its full leaderboard.
Tools using Grok 4 Heavy
9