Wispr Flow - Don’t type, just speak
Mini toolsGrok 4 Heavy
By xAI
Model family: Grok
Grok 4 Heavy is the top configuration of xAI’s Grok 4 family, built for the hardest reasoning, coding, and analysis workloads. The Grok 4 platform provides native tool use and real-time search integration, plus a 256,000-token context window for long documents and multi-file workflows across text and vision. Heavy delivers the strongest performance in the lineup with elevated rate limits, and it’s offered to SuperGrok Heavy subscribers as well as through the xAI API (with Premium+ and SuperGrok access to Grok 4 generally). Choose Heavy when you need maximum capability and throughput on complex tasks
Text
Gen 3
Overview
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.
About xAI
xAI is an artificial intelligence startup founded by Elon Musk, aiming to understand the universe.
Industry:
Artificial Intelligence
Company Size:
1200
Location:
Palo Alto, California, US
Website:
x.ai
Benchmark scores
How Grok 4 Heavy ranks on tracked AI benchmarks. Click any benchmark to see its full leaderboard.
Compare across all benchmarks →Tools using Grok 4 Heavy
-
fernand Lopes🙏 115 karmaApr 13, 2025@Groki love it i use it to teach me Italian and ukranian and programing ! and it awesome , because it allows you in the free version send many prints of your screen , not having to explain all the errors by typing diferent from gpt that you can only send 3 photos in the free version. i also use grok to study i frist make the exercise in my book then i take a photo of my exercise then i ask it to see if there is any mistake and dissipate my terryble handwriting it understands
Last updated: April 6, 2026
